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-rw-r--r--include/acpi/acpi_drivers.h2
-rw-r--r--include/drm/drmP.h4
-rw-r--r--include/drm/drm_crtc.h24
-rw-r--r--include/drm/drm_crtc_helper.h6
-rw-r--r--include/drm/drm_edid.h3
-rw-r--r--include/drm/drm_fb_helper.h76
-rw-r--r--include/drm/drm_pciids.h1
-rw-r--r--include/drm/ttm/ttm_page_alloc.h74
-rw-r--r--include/linux/amba/bus.h3
-rw-r--r--include/linux/amba/pl061.h2
-rw-r--r--include/linux/ata.h4
-rw-r--r--include/linux/bitops.h3
-rw-r--r--include/linux/blkdev.h35
-rw-r--r--include/linux/circ_buf.h4
-rw-r--r--include/linux/clockchips.h2
-rw-r--r--include/linux/delayacct.h1
-rw-r--r--include/linux/drbd.h2
-rw-r--r--include/linux/drbd_nl.h3
-rw-r--r--include/linux/ext3_fs.h6
-rw-r--r--include/linux/ext3_fs_i.h2
-rw-r--r--include/linux/firewire-cdev.h78
-rw-r--r--include/linux/firewire-constants.h29
-rw-r--r--include/linux/freezer.h7
-rw-r--r--include/linux/fs.h1
-rw-r--r--include/linux/fscache-cache.h2
-rw-r--r--include/linux/fsnotify.h1
-rw-r--r--include/linux/gameport.h1
-rw-r--r--include/linux/genhd.h2
-rw-r--r--include/linux/i2o.h1
-rw-r--r--include/linux/ide.h1
-rw-r--r--include/linux/if_tunnel.h1
-rw-r--r--include/linux/input/matrix_keypad.h2
-rw-r--r--include/linux/io-mapping.h1
-rw-r--r--include/linux/ioport.h2
-rw-r--r--include/linux/iscsi_ibft.h8
-rw-r--r--include/linux/jbd.h1
-rw-r--r--include/linux/jbd2.h1
-rw-r--r--include/linux/kernel.h2
-rw-r--r--include/linux/kfifo.h5
-rw-r--r--include/linux/lcm.h8
-rw-r--r--include/linux/libata.h1
-rw-r--r--include/linux/mm.h4
-rw-r--r--include/linux/mmc/mmc.h1
-rw-r--r--include/linux/module.h25
-rw-r--r--include/linux/netdevice.h8
-rw-r--r--include/linux/netfilter/nfnetlink.h2
-rw-r--r--include/linux/netfilter_ipv6.h1
-rw-r--r--include/linux/netlink.h2
-rw-r--r--include/linux/nfs_fs_sb.h1
-rw-r--r--include/linux/page_cgroup.h6
-rw-r--r--include/linux/percpu.h31
-rw-r--r--include/linux/perf_event.h21
-rw-r--r--include/linux/radix-tree.h7
-rw-r--r--include/linux/rcupdate.h88
-rw-r--r--include/linux/reiserfs_xattr.h5
-rw-r--r--include/linux/security.h2
-rw-r--r--include/linux/skbuff.h6
-rw-r--r--include/linux/slab.h1
-rw-r--r--include/linux/socket.h1
-rw-r--r--include/linux/spi/spi.h1
-rw-r--r--include/linux/sunrpc/bc_xprt.h5
-rw-r--r--include/linux/syscalls.h2
-rw-r--r--include/linux/taskstats_kern.h1
-rw-r--r--include/linux/tracepoint.h2
-rw-r--r--include/linux/usb/gadget.h2
-rw-r--r--include/linux/virtio_console.h23
-rw-r--r--include/linux/wimax/debug.h1
-rw-r--r--include/linux/writeback.h3
-rw-r--r--include/net/9p/client.h2
-rw-r--r--include/net/ax25.h1
-rw-r--r--include/net/bluetooth/bluetooth.h2
-rw-r--r--include/net/fib_rules.h1
-rw-r--r--include/net/ipx.h1
-rw-r--r--include/net/iucv/iucv.h1
-rw-r--r--include/net/netfilter/nf_conntrack_extend.h2
-rw-r--r--include/net/netlabel.h1
-rw-r--r--include/net/netlink.h6
-rw-r--r--include/net/netrom.h1
-rw-r--r--include/net/sock.h1
-rw-r--r--include/net/x25.h5
-rw-r--r--include/net/xfrm.h1
-rw-r--r--include/pcmcia/ss.h6
-rw-r--r--include/scsi/libsas.h1
-rw-r--r--include/sound/ak4113.h2
-rw-r--r--include/sound/soc-dai.h18
-rw-r--r--include/sound/soc.h1
-rw-r--r--include/trace/events/block.h164
-rw-r--r--include/xen/xenbus.h1
88 files changed, 640 insertions, 242 deletions
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index 3a4767c01c5f..4f7b44866b76 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -65,6 +65,8 @@
#define ACPI_VIDEO_HID "LNXVIDEO"
#define ACPI_BAY_HID "LNXIOBAY"
#define ACPI_DOCK_HID "LNXDOCK"
+/* Quirk for broken IBM BIOSes */
+#define ACPI_SMBUS_IBM_HID "SMBUSIBM"
/*
* For fixed hardware buttons, we fabricate acpi_devices with HID
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index de2f82efb15f..c1b987158dfa 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -55,6 +55,7 @@
#include <linux/mm.h>
#include <linux/cdev.h>
#include <linux/mutex.h>
+#include <linux/slab.h>
#if defined(__alpha__) || defined(__powerpc__)
#include <asm/pgtable.h> /* For pte_wrprotect */
#endif
@@ -1427,10 +1428,13 @@ extern void drm_sysfs_connector_remove(struct drm_connector *connector);
/* Graphics Execution Manager library functions (drm_gem.c) */
int drm_gem_init(struct drm_device *dev);
void drm_gem_destroy(struct drm_device *dev);
+void drm_gem_object_release(struct drm_gem_object *obj);
void drm_gem_object_free(struct kref *kref);
void drm_gem_object_free_unlocked(struct kref *kref);
struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
size_t size);
+int drm_gem_object_init(struct drm_device *dev,
+ struct drm_gem_object *obj, size_t size);
void drm_gem_object_handle_free(struct kref *kref);
void drm_gem_vm_open(struct vm_area_struct *vma);
void drm_gem_vm_close(struct vm_area_struct *vma);
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 1347524a8e30..c560364663a5 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -271,8 +271,6 @@ struct drm_framebuffer {
unsigned int depth;
int bits_per_pixel;
int flags;
- struct fb_info *fbdev;
- u32 pseudo_palette[17];
struct list_head filp_head;
/* if you are using the helper */
void *helper_private;
@@ -369,9 +367,6 @@ struct drm_crtc_funcs {
* @enabled: is this CRTC enabled?
* @x: x position on screen
* @y: y position on screen
- * @desired_mode: new desired mode
- * @desired_x: desired x for desired_mode
- * @desired_y: desired y for desired_mode
* @funcs: CRTC control functions
*
* Each CRTC may have one or more connectors associated with it. This structure
@@ -391,8 +386,6 @@ struct drm_crtc {
struct drm_display_mode mode;
int x, y;
- struct drm_display_mode *desired_mode;
- int desired_x, desired_y;
const struct drm_crtc_funcs *funcs;
/* CRTC gamma size for reporting to userspace */
@@ -521,7 +514,6 @@ struct drm_connector {
uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
uint32_t force_encoder_id;
struct drm_encoder *encoder; /* currently active encoder */
- void *fb_helper_private;
};
/**
@@ -548,16 +540,9 @@ struct drm_mode_set {
/**
* struct drm_mode_config_funcs - configure CRTCs for a given screen layout
- * @resize: adjust CRTCs as necessary for the proposed layout
- *
- * Currently only a resize hook is available. DRM will call back into the
- * driver with a new screen width and height. If the driver can't support
- * the proposed size, it can return false. Otherwise it should adjust
- * the CRTC<->connector mappings as needed and update its view of the screen.
*/
struct drm_mode_config_funcs {
struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd);
- int (*fb_changed)(struct drm_device *dev);
};
struct drm_mode_group {
@@ -590,9 +575,6 @@ struct drm_mode_config {
struct list_head property_list;
- /* in-kernel framebuffers - hung of filp_head in drm_framebuffer */
- struct list_head fb_kernel_list;
-
int min_width, min_height;
int max_width, max_height;
struct drm_mode_config_funcs *funcs;
@@ -666,8 +648,6 @@ extern void drm_fb_release(struct drm_file *file_priv);
extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
extern struct edid *drm_get_edid(struct drm_connector *connector,
struct i2c_adapter *adapter);
-extern int drm_do_probe_ddc_edid(struct i2c_adapter *adapter,
- unsigned char *buf, int len);
extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);
@@ -799,6 +779,10 @@ extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
int hdisplay, int vdisplay, int vrefresh,
bool interlaced, int margins);
+extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev,
+ int hdisplay, int vdisplay, int vrefresh,
+ bool interlaced, int margins, int GTF_M,
+ int GTF_2C, int GTF_K, int GTF_2J);
extern int drm_add_modes_noedid(struct drm_connector *connector,
int hdisplay, int vdisplay);
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index b29e20168b5f..b1fa0f8cfa60 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -39,7 +39,6 @@
#include <linux/fb.h>
-#include "drm_fb_helper.h"
struct drm_crtc_helper_funcs {
/*
* Control power levels on the CRTC. If the mode passed in is
@@ -96,8 +95,6 @@ struct drm_connector_helper_funcs {
extern int drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY);
extern void drm_helper_disable_unused_functions(struct drm_device *dev);
-extern int drm_helper_hotplug_stage_two(struct drm_device *dev);
-extern bool drm_helper_initial_config(struct drm_device *dev);
extern int drm_crtc_helper_set_config(struct drm_mode_set *set);
extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
struct drm_display_mode *mode,
@@ -123,11 +120,10 @@ static inline void drm_encoder_helper_add(struct drm_encoder *encoder,
encoder->helper_private = (void *)funcs;
}
-static inline int drm_connector_helper_add(struct drm_connector *connector,
+static inline void drm_connector_helper_add(struct drm_connector *connector,
const struct drm_connector_helper_funcs *funcs)
{
connector->helper_private = (void *)funcs;
- return drm_fb_helper_add_connector(connector);
}
extern int drm_helper_resume_force_mode(struct drm_device *dev);
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index b4209898f115..d33c3e038606 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -201,7 +201,4 @@ struct edid {
#define EDID_PRODUCT_ID(e) ((e)->prod_code[0] | ((e)->prod_code[1] << 8))
-/* define the number of Extension EDID block */
-#define DRM_MAX_EDID_EXT_NUM 4
-
#endif /* __DRM_EDID_H__ */
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 58c892a2cbfa..9b55a94feada 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -30,17 +30,14 @@
#ifndef DRM_FB_HELPER_H
#define DRM_FB_HELPER_H
+#include <linux/slow-work.h>
+
+struct drm_fb_helper;
+
struct drm_fb_helper_crtc {
uint32_t crtc_id;
struct drm_mode_set mode_set;
-};
-
-
-struct drm_fb_helper_funcs {
- void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
- u16 blue, int regno);
- void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
- u16 *blue, int regno);
+ struct drm_display_mode *desired_mode;
};
/* mode specified on the command line */
@@ -57,8 +54,31 @@ struct drm_fb_helper_cmdline_mode {
bool margins;
};
+struct drm_fb_helper_surface_size {
+ u32 fb_width;
+ u32 fb_height;
+ u32 surface_width;
+ u32 surface_height;
+ u32 surface_bpp;
+ u32 surface_depth;
+};
+
+struct drm_fb_helper_funcs {
+ void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
+ u16 blue, int regno);
+ void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
+ u16 *blue, int regno);
+
+ int (*fb_probe)(struct drm_fb_helper *helper,
+ struct drm_fb_helper_surface_size *sizes);
+
+ void (*fb_output_status_changed)(struct drm_fb_helper *helper);
+
+};
+
struct drm_fb_helper_connector {
struct drm_fb_helper_cmdline_mode cmdline_mode;
+ struct drm_connector *connector;
};
struct drm_fb_helper {
@@ -67,24 +87,28 @@ struct drm_fb_helper {
struct drm_display_mode *mode;
int crtc_count;
struct drm_fb_helper_crtc *crtc_info;
+ int connector_count;
+ struct drm_fb_helper_connector **connector_info;
struct drm_fb_helper_funcs *funcs;
int conn_limit;
+ struct fb_info *fbdev;
+ u32 pseudo_palette[17];
struct list_head kernel_fb_list;
+
+ struct delayed_slow_work output_status_change_slow_work;
+ bool poll_enabled;
+ /* we got a hotplug but fbdev wasn't running the console
+ delay until next set_par */
+ bool delayed_hotplug;
};
-int drm_fb_helper_single_fb_probe(struct drm_device *dev,
- int preferred_bpp,
- int (*fb_create)(struct drm_device *dev,
- uint32_t fb_width,
- uint32_t fb_height,
- uint32_t surface_width,
- uint32_t surface_height,
- uint32_t surface_depth,
- uint32_t surface_bpp,
- struct drm_framebuffer **fb_ptr));
-int drm_fb_helper_init_crtc_count(struct drm_fb_helper *helper, int crtc_count,
- int max_conn);
-void drm_fb_helper_free(struct drm_fb_helper *helper);
+int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper,
+ int preferred_bpp);
+
+int drm_fb_helper_init(struct drm_device *dev,
+ struct drm_fb_helper *helper, int crtc_count,
+ int max_conn, bool polled);
+void drm_fb_helper_fini(struct drm_fb_helper *helper);
int drm_fb_helper_blank(int blank, struct fb_info *info);
int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info);
@@ -99,13 +123,17 @@ int drm_fb_helper_setcolreg(unsigned regno,
struct fb_info *info);
void drm_fb_helper_restore(void);
-void drm_fb_helper_fill_var(struct fb_info *info, struct drm_framebuffer *fb,
+void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper,
uint32_t fb_width, uint32_t fb_height);
void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
uint32_t depth);
-int drm_fb_helper_add_connector(struct drm_connector *connector);
-int drm_fb_helper_parse_command_line(struct drm_device *dev);
int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
+bool drm_helper_fb_hotplug_event(struct drm_fb_helper *fb_helper,
+ bool polled);
+bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel);
+int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper);
+
+void drm_helper_fb_hpd_irq_event(struct drm_fb_helper *fb_helper);
#endif
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 04a6ebc27b96..2d428b088cc8 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -6,6 +6,7 @@
{0x1002, 0x3150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
{0x1002, 0x3152, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x3154, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x3155, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
{0x1002, 0x3E50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \
{0x1002, 0x3E54, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \
{0x1002, 0x4136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS100|RADEON_IS_IGP}, \
diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h
new file mode 100644
index 000000000000..8bb4de567b2c
--- /dev/null
+++ b/include/drm/ttm/ttm_page_alloc.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) Red Hat Inc.
+
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie <airlied@redhat.com>
+ * Jerome Glisse <jglisse@redhat.com>
+ */
+#ifndef TTM_PAGE_ALLOC
+#define TTM_PAGE_ALLOC
+
+#include "ttm_bo_driver.h"
+#include "ttm_memory.h"
+
+/**
+ * Get count number of pages from pool to pages list.
+ *
+ * @pages: heado of empty linked list where pages are filled.
+ * @flags: ttm flags for page allocation.
+ * @cstate: ttm caching state for the page.
+ * @count: number of pages to allocate.
+ */
+int ttm_get_pages(struct list_head *pages,
+ int flags,
+ enum ttm_caching_state cstate,
+ unsigned count);
+/**
+ * Put linked list of pages to pool.
+ *
+ * @pages: list of pages to free.
+ * @page_count: number of pages in the list. Zero can be passed for unknown
+ * count.
+ * @flags: ttm flags for page allocation.
+ * @cstate: ttm caching state.
+ */
+void ttm_put_pages(struct list_head *pages,
+ unsigned page_count,
+ int flags,
+ enum ttm_caching_state cstate);
+/**
+ * Initialize pool allocator.
+ *
+ * Pool allocator is internaly reference counted so it can be initialized
+ * multiple times but ttm_page_alloc_fini has to be called same number of
+ * times.
+ */
+int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages);
+/**
+ * Free pool allocator.
+ */
+void ttm_page_alloc_fini(void);
+
+/**
+ * Output the state of pools to debugfs file
+ */
+extern int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
+#endif
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 6816be6c3f77..8b1038607831 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -14,6 +14,9 @@
#ifndef ASMARM_AMBA_H
#define ASMARM_AMBA_H
+#include <linux/device.h>
+#include <linux/resource.h>
+
#define AMBA_NR_IRQS 2
struct amba_device {
diff --git a/include/linux/amba/pl061.h b/include/linux/amba/pl061.h
index b4fbd9862606..5ddd9ad4b19c 100644
--- a/include/linux/amba/pl061.h
+++ b/include/linux/amba/pl061.h
@@ -1,3 +1,5 @@
+#include <linux/types.h>
+
/* platform data for the PL061 GPIO driver */
struct pl061_platform_data {
diff --git a/include/linux/ata.h b/include/linux/ata.h
index b4c85e2adef5..700c5b9b3583 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -1025,8 +1025,8 @@ static inline int ata_ok(u8 status)
static inline int lba_28_ok(u64 block, u32 n_block)
{
- /* check the ending block number */
- return ((block + n_block) < ((u64)1 << 28)) && (n_block <= 256);
+ /* check the ending block number: must be LESS THAN 0x0fffffff */
+ return ((block + n_block) < ((1 << 28) - 1)) && (n_block <= 256);
}
static inline int lba_48_ok(u64 block, u32 n_block)
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index b79389879238..b796eab5ca75 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -21,9 +21,6 @@
(bit) < (size); \
(bit) = find_next_bit((addr), (size), (bit) + 1))
-/* Temporary */
-#define for_each_bit(bit, addr, size) for_each_set_bit(bit, addr, size)
-
static __inline__ int get_bitmask_order(unsigned int count)
{
int order;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ebd22dbed861..6690e8bae7bb 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -158,7 +158,6 @@ enum rq_flag_bits {
struct request {
struct list_head queuelist;
struct call_single_data csd;
- int cpu;
struct request_queue *q;
@@ -166,9 +165,11 @@ struct request {
enum rq_cmd_type_bits cmd_type;
unsigned long atomic_flags;
+ int cpu;
+
/* the following two fields are internal, NEVER access directly */
- sector_t __sector; /* sector cursor */
unsigned int __data_len; /* total data len */
+ sector_t __sector; /* sector cursor */
struct bio *bio;
struct bio *biotail;
@@ -201,20 +202,20 @@ struct request {
unsigned short ioprio;
+ int ref_count;
+
void *special; /* opaque pointer available for LLD use */
char *buffer; /* kaddr of the current segment if available */
int tag;
int errors;
- int ref_count;
-
/*
* when request is used as a packet command carrier
*/
- unsigned short cmd_len;
unsigned char __cmd[BLK_MAX_CDB];
unsigned char *cmd;
+ unsigned short cmd_len;
unsigned int extra_len; /* length of alignment and padding */
unsigned int sense_len;
@@ -921,26 +922,7 @@ extern void blk_cleanup_queue(struct request_queue *);
extern void blk_queue_make_request(struct request_queue *, make_request_fn *);
extern void blk_queue_bounce_limit(struct request_queue *, u64);
extern void blk_queue_max_hw_sectors(struct request_queue *, unsigned int);
-
-/* Temporary compatibility wrapper */
-static inline void blk_queue_max_sectors(struct request_queue *q, unsigned int max)
-{
- blk_queue_max_hw_sectors(q, max);
-}
-
extern void blk_queue_max_segments(struct request_queue *, unsigned short);
-
-static inline void blk_queue_max_phys_segments(struct request_queue *q, unsigned short max)
-{
- blk_queue_max_segments(q, max);
-}
-
-static inline void blk_queue_max_hw_segments(struct request_queue *q, unsigned short max)
-{
- blk_queue_max_segments(q, max);
-}
-
-
extern void blk_queue_max_segment_size(struct request_queue *, unsigned int);
extern void blk_queue_max_discard_sectors(struct request_queue *q,
unsigned int max_discard_sectors);
@@ -1030,11 +1012,6 @@ static inline int sb_issue_discard(struct super_block *sb,
extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm);
-#define MAX_PHYS_SEGMENTS 128
-#define MAX_HW_SEGMENTS 128
-#define SAFE_MAX_SECTORS 255
-#define MAX_SEGMENT_SIZE 65536
-
enum blk_default_limits {
BLK_MAX_SEGMENTS = 128,
BLK_SAFE_MAX_SECTORS = 255,
diff --git a/include/linux/circ_buf.h b/include/linux/circ_buf.h
index a2ed0591fb19..90f2471dc6f2 100644
--- a/include/linux/circ_buf.h
+++ b/include/linux/circ_buf.h
@@ -1,3 +1,7 @@
+/*
+ * See Documentation/circular-buffers.txt for more information.
+ */
+
#ifndef _LINUX_CIRC_BUF_H
#define _LINUX_CIRC_BUF_H 1
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index 0cf725bdd2a1..fc53492b6ad7 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -73,6 +73,7 @@ enum clock_event_nofitiers {
* @list: list head for the management code
* @mode: operating mode assigned by the management code
* @next_event: local storage for the next event in oneshot mode
+ * @retries: number of forced programming retries
*/
struct clock_event_device {
const char *name;
@@ -93,6 +94,7 @@ struct clock_event_device {
struct list_head list;
enum clock_event_mode mode;
ktime_t next_event;
+ unsigned long retries;
};
/*
diff --git a/include/linux/delayacct.h b/include/linux/delayacct.h
index 5076fe0c8a96..6cee17c22313 100644
--- a/include/linux/delayacct.h
+++ b/include/linux/delayacct.h
@@ -18,6 +18,7 @@
#define _LINUX_DELAYACCT_H
#include <linux/sched.h>
+#include <linux/slab.h>
/*
* Per-task flags relevant to delay accounting
diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index 78962272338a..4341b1a97a34 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -56,7 +56,7 @@ extern const char *drbd_buildtag(void);
#define REL_VERSION "8.3.7"
#define API_VERSION 88
#define PRO_VERSION_MIN 86
-#define PRO_VERSION_MAX 91
+#define PRO_VERSION_MAX 92
enum drbd_io_error_p {
diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h
index a4d82f895994..f7431a4ca608 100644
--- a/include/linux/drbd_nl.h
+++ b/include/linux/drbd_nl.h
@@ -12,7 +12,7 @@
#endif
NL_PACKET(primary, 1,
- NL_BIT( 1, T_MAY_IGNORE, overwrite_peer)
+ NL_BIT( 1, T_MAY_IGNORE, primary_force)
)
NL_PACKET(secondary, 2, )
@@ -63,6 +63,7 @@ NL_PACKET(net_conf, 5,
NL_BIT( 41, T_MAY_IGNORE, always_asbp)
NL_BIT( 61, T_MAY_IGNORE, no_cork)
NL_BIT( 62, T_MANDATORY, auto_sndbuf_size)
+ NL_BIT( 70, T_MANDATORY, dry_run)
)
NL_PACKET(disconnect, 6, )
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index cac84b006667..5f494b465097 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -565,17 +565,17 @@ enum {
static inline int ext3_test_inode_state(struct inode *inode, int bit)
{
- return test_bit(bit, &EXT3_I(inode)->i_state);
+ return test_bit(bit, &EXT3_I(inode)->i_state_flags);
}
static inline void ext3_set_inode_state(struct inode *inode, int bit)
{
- set_bit(bit, &EXT3_I(inode)->i_state);
+ set_bit(bit, &EXT3_I(inode)->i_state_flags);
}
static inline void ext3_clear_inode_state(struct inode *inode, int bit)
{
- clear_bit(bit, &EXT3_I(inode)->i_state);
+ clear_bit(bit, &EXT3_I(inode)->i_state_flags);
}
#else
/* Assume that user mode programs are passing in an ext3fs superblock, not
diff --git a/include/linux/ext3_fs_i.h b/include/linux/ext3_fs_i.h
index 7679acdb519a..f42c098aed8d 100644
--- a/include/linux/ext3_fs_i.h
+++ b/include/linux/ext3_fs_i.h
@@ -87,7 +87,7 @@ struct ext3_inode_info {
* near to their parent directory's inode.
*/
__u32 i_block_group;
- unsigned long i_state; /* Dynamic state flags for ext3 */
+ unsigned long i_state_flags; /* Dynamic state flags for ext3 */
/* block reservation info */
struct ext3_block_alloc_info *i_block_alloc_info;
diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h
index 40b11013408e..81f3b14d5d76 100644
--- a/include/linux/firewire-cdev.h
+++ b/include/linux/firewire-cdev.h
@@ -1,21 +1,26 @@
/*
* Char device interface.
*
- * Copyright (C) 2005-2006 Kristian Hoegsberg <krh@bitplanet.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Copyright (C) 2005-2007 Kristian Hoegsberg <krh@bitplanet.net>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
*/
#ifndef _LINUX_FIREWIRE_CDEV_H
@@ -438,7 +443,7 @@ struct fw_cdev_remove_descriptor {
* @type: %FW_CDEV_ISO_CONTEXT_TRANSMIT or %FW_CDEV_ISO_CONTEXT_RECEIVE
* @header_size: Header size to strip for receive contexts
* @channel: Channel to bind to
- * @speed: Speed to transmit at
+ * @speed: Speed for transmit contexts
* @closure: To be returned in &fw_cdev_event_iso_interrupt
* @handle: Handle to context, written back by kernel
*
@@ -451,6 +456,9 @@ struct fw_cdev_remove_descriptor {
* If a context was successfully created, the kernel writes back a handle to the
* context, which must be passed in for subsequent operations on that context.
*
+ * For receive contexts, @header_size must be at least 4 and must be a multiple
+ * of 4.
+ *
* Note that the effect of a @header_size > 4 depends on
* &fw_cdev_get_info.version, as documented at &fw_cdev_event_iso_interrupt.
*/
@@ -481,10 +489,34 @@ struct fw_cdev_create_iso_context {
*
* &struct fw_cdev_iso_packet is used to describe isochronous packet queues.
*
- * Use the FW_CDEV_ISO_ macros to fill in @control. The sy and tag fields are
- * specified by IEEE 1394a and IEC 61883.
- *
- * FIXME - finish this documentation
+ * Use the FW_CDEV_ISO_ macros to fill in @control.
+ *
+ * For transmit packets, the header length must be a multiple of 4 and specifies
+ * the numbers of bytes in @header that will be prepended to the packet's
+ * payload; these bytes are copied into the kernel and will not be accessed
+ * after the ioctl has returned. The sy and tag fields are copied to the iso
+ * packet header (these fields are specified by IEEE 1394a and IEC 61883-1).
+ * The skip flag specifies that no packet is to be sent in a frame; when using
+ * this, all other fields except the interrupt flag must be zero.
+ *
+ * For receive packets, the header length must be a multiple of the context's
+ * header size; if the header length is larger than the context's header size,
+ * multiple packets are queued for this entry. The sy and tag fields are
+ * ignored. If the sync flag is set, the context drops all packets until
+ * a packet with a matching sy field is received (the sync value to wait for is
+ * specified in the &fw_cdev_start_iso structure). The payload length defines
+ * how many payload bytes can be received for one packet (in addition to payload
+ * quadlets that have been defined as headers and are stripped and returned in
+ * the &fw_cdev_event_iso_interrupt structure). If more bytes are received, the
+ * additional bytes are dropped. If less bytes are received, the remaining
+ * bytes in this part of the payload buffer will not be written to, not even by
+ * the next packet, i.e., packets received in consecutive frames will not
+ * necessarily be consecutive in memory. If an entry has queued multiple
+ * packets, the payload length is divided equally among them.
+ *
+ * When a packet with the interrupt flag set has been completed, the
+ * &fw_cdev_event_iso_interrupt event will be sent. An entry that has queued
+ * multiple receive packets is completed when its last packet is completed.
*/
struct fw_cdev_iso_packet {
__u32 control;
@@ -501,7 +533,7 @@ struct fw_cdev_iso_packet {
* Queue a number of isochronous packets for reception or transmission.
* This ioctl takes a pointer to an array of &fw_cdev_iso_packet structs,
* which describe how to transmit from or receive into a contiguous region
- * of a mmap()'ed payload buffer. As part of the packet descriptors,
+ * of a mmap()'ed payload buffer. As part of transmit packet descriptors,
* a series of headers can be supplied, which will be prepended to the
* payload during DMA.
*
@@ -620,8 +652,8 @@ struct fw_cdev_get_cycle_timer2 {
* instead of allocated.
* An %FW_CDEV_EVENT_ISO_RESOURCE_DEALLOCATED event concludes this operation.
*
- * To summarize, %FW_CDEV_IOC_DEALLOCATE_ISO_RESOURCE allocates iso resources
- * for the lifetime of the fd or handle.
+ * To summarize, %FW_CDEV_IOC_ALLOCATE_ISO_RESOURCE allocates iso resources
+ * for the lifetime of the fd or @handle.
* In contrast, %FW_CDEV_IOC_ALLOCATE_ISO_RESOURCE_ONCE allocates iso resources
* for the duration of a bus generation.
*
diff --git a/include/linux/firewire-constants.h b/include/linux/firewire-constants.h
index b316770a43fd..9c63f06e67f2 100644
--- a/include/linux/firewire-constants.h
+++ b/include/linux/firewire-constants.h
@@ -1,3 +1,28 @@
+/*
+ * IEEE 1394 constants.
+ *
+ * Copyright (C) 2005-2007 Kristian Hoegsberg <krh@bitplanet.net>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
#ifndef _LINUX_FIREWIRE_CONSTANTS_H
#define _LINUX_FIREWIRE_CONSTANTS_H
@@ -21,7 +46,7 @@
#define EXTCODE_WRAP_ADD 0x6
#define EXTCODE_VENDOR_DEPENDENT 0x7
-/* Juju specific tcodes */
+/* Linux firewire-core (Juju) specific tcodes */
#define TCODE_LOCK_MASK_SWAP (0x10 | EXTCODE_MASK_SWAP)
#define TCODE_LOCK_COMPARE_SWAP (0x10 | EXTCODE_COMPARE_SWAP)
#define TCODE_LOCK_FETCH_ADD (0x10 | EXTCODE_FETCH_ADD)
@@ -36,7 +61,7 @@
#define RCODE_TYPE_ERROR 0x6
#define RCODE_ADDRESS_ERROR 0x7
-/* Juju specific rcodes */
+/* Linux firewire-core (Juju) specific rcodes */
#define RCODE_SEND_ERROR 0x10
#define RCODE_CANCELLED 0x11
#define RCODE_BUSY 0x12
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index 5a361f85cfec..da7e52b099f3 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -64,9 +64,12 @@ extern bool freeze_task(struct task_struct *p, bool sig_only);
extern void cancel_freezing(struct task_struct *p);
#ifdef CONFIG_CGROUP_FREEZER
-extern int cgroup_frozen(struct task_struct *task);
+extern int cgroup_freezing_or_frozen(struct task_struct *task);
#else /* !CONFIG_CGROUP_FREEZER */
-static inline int cgroup_frozen(struct task_struct *task) { return 0; }
+static inline int cgroup_freezing_or_frozen(struct task_struct *task)
+{
+ return 0;
+}
#endif /* !CONFIG_CGROUP_FREEZER */
/*
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 10b8dedcd18b..39d57bc6cc71 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2212,6 +2212,7 @@ extern int generic_segment_checks(const struct iovec *iov,
/* fs/block_dev.c */
extern ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t pos);
+extern int blkdev_fsync(struct file *filp, struct dentry *dentry, int datasync);
/* fs/splice.c */
extern ssize_t generic_file_splice_read(struct file *, loff_t *,
diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h
index 7be0c6fbe880..c57db27ac861 100644
--- a/include/linux/fscache-cache.h
+++ b/include/linux/fscache-cache.h
@@ -105,7 +105,7 @@ struct fscache_operation {
/* operation releaser */
fscache_operation_release_t release;
-#ifdef CONFIG_SLOW_WORK_PROC
+#ifdef CONFIG_SLOW_WORK_DEBUG
const char *name; /* operation name */
const char *state; /* operation state */
#define fscache_set_op_name(OP, N) do { (OP)->name = (N); } while(0)
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index df8fd9a3b214..01755909ce81 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -15,6 +15,7 @@
#include <linux/inotify.h>
#include <linux/fsnotify_backend.h>
#include <linux/audit.h>
+#include <linux/slab.h>
/*
* fsnotify_d_instantiate - instantiate a dentry for inode
diff --git a/include/linux/gameport.h b/include/linux/gameport.h
index 48e68da097f6..361d1cc288d0 100644
--- a/include/linux/gameport.h
+++ b/include/linux/gameport.h
@@ -16,6 +16,7 @@
#include <linux/mutex.h>
#include <linux/device.h>
#include <linux/timer.h>
+#include <linux/slab.h>
struct gameport {
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 56b50514ab25..5f2f4c4d8fb0 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -109,7 +109,7 @@ struct hd_struct {
};
#define GENHD_FL_REMOVABLE 1
-#define GENHD_FL_DRIVERFS 2
+/* 2 is unused */
#define GENHD_FL_MEDIA_CHANGE_NOTIFY 4
#define GENHD_FL_CD 8
#define GENHD_FL_UP 16
diff --git a/include/linux/i2o.h b/include/linux/i2o.h
index 87018dc5527d..9e7a12d6385d 100644
--- a/include/linux/i2o.h
+++ b/include/linux/i2o.h
@@ -782,7 +782,6 @@ extern int i2o_exec_lct_get(struct i2o_controller *);
#define to_i2o_driver(drv) container_of(drv,struct i2o_driver, driver)
#define to_i2o_device(dev) container_of(dev, struct i2o_device, device)
#define to_i2o_controller(dev) container_of(dev, struct i2o_controller, device)
-#define kobj_to_i2o_device(kobj) to_i2o_device(container_of(kobj, struct device, kobj))
/**
* i2o_out_to_virt - Turn an I2O message to a virtual address
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 97e6ab435184..3239d1c10acb 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1169,6 +1169,7 @@ extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout);
extern void ide_timer_expiry(unsigned long);
extern irqreturn_t ide_intr(int irq, void *dev_id);
extern void do_ide_request(struct request_queue *);
+extern void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq);
void ide_init_disk(struct gendisk *, ide_drive_t *);
diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index 1822d635be6b..16b92d008bed 100644
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -2,6 +2,7 @@
#define _IF_TUNNEL_H_
#include <linux/types.h>
+#include <asm/byteorder.h>
#ifdef __KERNEL__
#include <linux/ip.h>
diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h
index 3bd018baae20..c964cd7f436a 100644
--- a/include/linux/input/matrix_keypad.h
+++ b/include/linux/input/matrix_keypad.h
@@ -44,6 +44,7 @@ struct matrix_keymap_data {
* @active_low: gpio polarity
* @wakeup: controls whether the device should be set up as wakeup
* source
+ * @no_autorepeat: disable key autorepeat
*
* This structure represents platform-specific data that use used by
* matrix_keypad driver to perform proper initialization.
@@ -64,6 +65,7 @@ struct matrix_keypad_platform_data {
bool active_low;
bool wakeup;
+ bool no_autorepeat;
};
/**
diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h
index 97eb928b4924..25085ddd955f 100644
--- a/include/linux/io-mapping.h
+++ b/include/linux/io-mapping.h
@@ -19,6 +19,7 @@
#define _LINUX_IO_MAPPING_H
#include <linux/types.h>
+#include <linux/slab.h>
#include <asm/io.h>
#include <asm/page.h>
#include <asm/iomap.h>
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 71ab79da7e7f..26fad187d661 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -112,12 +112,14 @@ struct resource_list {
extern struct resource ioport_resource;
extern struct resource iomem_resource;
+extern struct resource *request_resource_conflict(struct resource *root, struct resource *new);
extern int request_resource(struct resource *root, struct resource *new);
extern int release_resource(struct resource *new);
void release_child_resources(struct resource *new);
extern void reserve_region_with_split(struct resource *root,
resource_size_t start, resource_size_t end,
const char *name);
+extern struct resource *insert_resource_conflict(struct resource *parent, struct resource *new);
extern int insert_resource(struct resource *parent, struct resource *new);
extern void insert_resource_expand_to_fit(struct resource *root, struct resource *new);
extern int allocate_resource(struct resource *root, struct resource *new,
diff --git a/include/linux/iscsi_ibft.h b/include/linux/iscsi_ibft.h
index 6092487e2950..d2e4042f8f5e 100644
--- a/include/linux/iscsi_ibft.h
+++ b/include/linux/iscsi_ibft.h
@@ -42,9 +42,13 @@ extern struct ibft_table_header *ibft_addr;
* mapped address is set in the ibft_addr variable.
*/
#ifdef CONFIG_ISCSI_IBFT_FIND
-extern void __init reserve_ibft_region(void);
+unsigned long find_ibft_region(unsigned long *sizep);
#else
-static inline void reserve_ibft_region(void) { }
+static inline unsigned long find_ibft_region(unsigned long *sizep)
+{
+ *sizep = 0;
+ return 0;
+}
#endif
#endif /* ISCSI_IBFT_H */
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index f3aa59cb675d..516a2a27e87a 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -31,6 +31,7 @@
#include <linux/mutex.h>
#include <linux/timer.h>
#include <linux/lockdep.h>
+#include <linux/slab.h>
#define journal_oom_retry 1
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 1ec876358180..a4d2e9f7088a 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -30,6 +30,7 @@
#include <linux/bit_spinlock.h>
#include <linux/mutex.h>
#include <linux/timer.h>
+#include <linux/slab.h>
#endif
#define journal_oom_retry 1
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 7f0707463360..9365227dbaf6 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -426,7 +426,7 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
.burst = DEFAULT_RATELIMIT_BURST, \
}; \
\
- if (!__ratelimit(&_rs)) \
+ if (__ratelimit(&_rs)) \
printk(fmt, ##__VA_ARGS__); \
})
#else
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index bc0fc795bd35..e117b1aee69c 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -86,7 +86,8 @@ union { \
*/
#define INIT_KFIFO(name) \
name = __kfifo_initializer(sizeof(name##kfifo_buffer) - \
- sizeof(struct kfifo), name##kfifo_buffer)
+ sizeof(struct kfifo), \
+ name##kfifo_buffer + sizeof(struct kfifo))
/**
* DEFINE_KFIFO - macro to define and initialize a kfifo
@@ -102,8 +103,6 @@ union { \
unsigned char name##kfifo_buffer[size]; \
struct kfifo name = __kfifo_initializer(size, name##kfifo_buffer)
-#undef __kfifo_initializer
-
extern void kfifo_init(struct kfifo *fifo, void *buffer,
unsigned int size);
extern __must_check int kfifo_alloc(struct kfifo *fifo, unsigned int size,
diff --git a/include/linux/lcm.h b/include/linux/lcm.h
new file mode 100644
index 000000000000..7bf01d779b45
--- /dev/null
+++ b/include/linux/lcm.h
@@ -0,0 +1,8 @@
+#ifndef _LCM_H
+#define _LCM_H
+
+#include <linux/compiler.h>
+
+unsigned long lcm(unsigned long a, unsigned long b) __attribute_const__;
+
+#endif /* _LCM_H */
diff --git a/include/linux/libata.h b/include/linux/libata.h
index f8ea71e6d0e2..b2f2003b92e5 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -146,6 +146,7 @@ enum {
ATA_DFLAG_SLEEPING = (1 << 15), /* device is sleeping */
ATA_DFLAG_DUBIOUS_XFER = (1 << 16), /* data transfer not verified */
ATA_DFLAG_NO_UNLOAD = (1 << 17), /* device doesn't support unload */
+ ATA_DFLAG_UNLOCK_HPA = (1 << 18), /* unlock HPA */
ATA_DFLAG_INIT_MASK = (1 << 24) - 1,
ATA_DFLAG_DETACH = (1 << 24),
diff --git a/include/linux/mm.h b/include/linux/mm.h
index e70f21beb4b4..462acaf36f3a 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -783,8 +783,8 @@ struct mm_walk {
int (*pmd_entry)(pmd_t *, unsigned long, unsigned long, struct mm_walk *);
int (*pte_entry)(pte_t *, unsigned long, unsigned long, struct mm_walk *);
int (*pte_hole)(unsigned long, unsigned long, struct mm_walk *);
- int (*hugetlb_entry)(pte_t *, unsigned long, unsigned long,
- struct mm_walk *);
+ int (*hugetlb_entry)(pte_t *, unsigned long,
+ unsigned long, unsigned long, struct mm_walk *);
struct mm_struct *mm;
void *private;
};
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index c02c8db73701..8a49cbf0376d 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -268,6 +268,7 @@ struct _mmc_csd {
#define EXT_CSD_CARD_TYPE_26 (1<<0) /* Card can run at 26MHz */
#define EXT_CSD_CARD_TYPE_52 (1<<1) /* Card can run at 52MHz */
+#define EXT_CSD_CARD_TYPE_MASK 0x3 /* Mask out reserved and DDR bits */
#define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */
#define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */
diff --git a/include/linux/module.h b/include/linux/module.h
index 5e869ffd34aa..515d53ae6a79 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -330,8 +330,11 @@ struct module
struct module_notes_attrs *notes_attrs;
#endif
+#ifdef CONFIG_SMP
/* Per-cpu data. */
- void *percpu;
+ void __percpu *percpu;
+ unsigned int percpu_size;
+#endif
/* The command line arguments (may be mangled). People like
keeping pointers to this stuff */
@@ -365,7 +368,8 @@ struct module
void (*exit)(void);
struct module_ref {
- int count;
+ unsigned int incs;
+ unsigned int decs;
} __percpu *refptr;
#endif
@@ -392,6 +396,7 @@ static inline int module_is_live(struct module *mod)
struct module *__module_text_address(unsigned long addr);
struct module *__module_address(unsigned long addr);
bool is_module_address(unsigned long addr);
+bool is_module_percpu_address(unsigned long addr);
bool is_module_text_address(unsigned long addr);
static inline int within_module_core(unsigned long addr, struct module *mod)
@@ -459,9 +464,9 @@ static inline void __module_get(struct module *module)
{
if (module) {
preempt_disable();
- __this_cpu_inc(module->refptr->count);
+ __this_cpu_inc(module->refptr->incs);
trace_module_get(module, _THIS_IP_,
- __this_cpu_read(module->refptr->count));
+ __this_cpu_read(module->refptr->incs));
preempt_enable();
}
}
@@ -474,11 +479,10 @@ static inline int try_module_get(struct module *module)
preempt_disable();
if (likely(module_is_live(module))) {
- __this_cpu_inc(module->refptr->count);
+ __this_cpu_inc(module->refptr->incs);
trace_module_get(module, _THIS_IP_,
- __this_cpu_read(module->refptr->count));
- }
- else
+ __this_cpu_read(module->refptr->incs));
+ } else
ret = 0;
preempt_enable();
@@ -563,6 +567,11 @@ static inline bool is_module_address(unsigned long addr)
return false;
}
+static inline bool is_module_percpu_address(unsigned long addr)
+{
+ return false;
+}
+
static inline bool is_module_text_address(unsigned long addr)
{
return false;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c79a88be7c33..fa8b47637997 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2059,12 +2059,12 @@ static inline void skb_bond_set_mac_by_master(struct sk_buff *skb,
* duplicates except for 802.3ad ETH_P_SLOW, alb non-mcast/bcast, and
* ARP on active-backup slaves with arp_validate enabled.
*/
-static inline int skb_bond_should_drop(struct sk_buff *skb)
+static inline int skb_bond_should_drop(struct sk_buff *skb,
+ struct net_device *master)
{
- struct net_device *dev = skb->dev;
- struct net_device *master = dev->master;
-
if (master) {
+ struct net_device *dev = skb->dev;
+
if (master->priv_flags & IFF_MASTER_ARPMON)
dev->last_rx = jiffies;
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index 53923868c9bd..361d6b5630ee 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -76,7 +76,7 @@ extern int nfnetlink_subsys_unregister(const struct nfnetlink_subsystem *n);
extern int nfnetlink_has_listeners(struct net *net, unsigned int group);
extern int nfnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, unsigned group,
int echo, gfp_t flags);
-extern void nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error);
+extern int nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error);
extern int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u_int32_t pid, int flags);
extern void nfnl_lock(void);
diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h
index d654873aa25a..1f7e300094cd 100644
--- a/include/linux/netfilter_ipv6.h
+++ b/include/linux/netfilter_ipv6.h
@@ -59,6 +59,7 @@
enum nf_ip6_hook_priorities {
NF_IP6_PRI_FIRST = INT_MIN,
NF_IP6_PRI_CONNTRACK_DEFRAG = -400,
+ NF_IP6_PRI_RAW = -300,
NF_IP6_PRI_SELINUX_FIRST = -225,
NF_IP6_PRI_CONNTRACK = -200,
NF_IP6_PRI_MANGLE = -150,
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index fde27c017326..6eaca5e1e8ca 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -188,7 +188,7 @@ extern int netlink_has_listeners(struct sock *sk, unsigned int group);
extern int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 pid, int nonblock);
extern int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, __u32 pid,
__u32 group, gfp_t allocation);
-extern void netlink_set_err(struct sock *ssk, __u32 pid, __u32 group, int code);
+extern int netlink_set_err(struct sock *ssk, __u32 pid, __u32 group, int code);
extern int netlink_register_notifier(struct notifier_block *nb);
extern int netlink_unregister_notifier(struct notifier_block *nb);
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 717a5e54eb1d..e82957acea56 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -176,6 +176,7 @@ struct nfs_server {
#define NFS_CAP_ATIME (1U << 11)
#define NFS_CAP_CTIME (1U << 12)
#define NFS_CAP_MTIME (1U << 13)
+#define NFS_CAP_POSIX_LOCK (1U << 14)
/* maximum number of slots to use */
diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h
index 30b08136fdf3..aef22ae2af47 100644
--- a/include/linux/page_cgroup.h
+++ b/include/linux/page_cgroup.h
@@ -39,6 +39,7 @@ enum {
PCG_CACHE, /* charged as cache */
PCG_USED, /* this object is in use. */
PCG_ACCT_LRU, /* page has been accounted for */
+ PCG_FILE_MAPPED, /* page is accounted as "mapped" */
};
#define TESTPCGFLAG(uname, lname) \
@@ -73,6 +74,11 @@ CLEARPCGFLAG(AcctLRU, ACCT_LRU)
TESTPCGFLAG(AcctLRU, ACCT_LRU)
TESTCLEARPCGFLAG(AcctLRU, ACCT_LRU)
+
+SETPCGFLAG(FileMapped, FILE_MAPPED)
+CLEARPCGFLAG(FileMapped, FILE_MAPPED)
+TESTPCGFLAG(FileMapped, FILE_MAPPED)
+
static inline int page_cgroup_nid(struct page_cgroup *pc)
{
return page_to_nid(pc->page);
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index a93e5bfdccb8..d3a38d687104 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -2,10 +2,10 @@
#define __LINUX_PERCPU_H
#include <linux/preempt.h>
-#include <linux/slab.h> /* For kmalloc() */
#include <linux/smp.h>
#include <linux/cpumask.h>
#include <linux/pfn.h>
+#include <linux/init.h>
#include <asm/percpu.h>
@@ -135,9 +135,7 @@ extern int __init pcpu_page_first_chunk(size_t reserved_size,
#define per_cpu_ptr(ptr, cpu) SHIFT_PERCPU_PTR((ptr), per_cpu_offset((cpu)))
extern void __percpu *__alloc_reserved_percpu(size_t size, size_t align);
-extern void __percpu *__alloc_percpu(size_t size, size_t align);
-extern void free_percpu(void __percpu *__pdata);
-extern phys_addr_t per_cpu_ptr_to_phys(void *addr);
+extern bool is_kernel_percpu_address(unsigned long addr);
#ifndef CONFIG_HAVE_SETUP_PER_CPU_AREA
extern void __init setup_per_cpu_areas(void);
@@ -147,25 +145,10 @@ extern void __init setup_per_cpu_areas(void);
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); })
-static inline void __percpu *__alloc_percpu(size_t size, size_t align)
+/* can't distinguish from other static vars, always false */
+static inline bool is_kernel_percpu_address(unsigned long addr)
{
- /*
- * Can't easily make larger alignment work with kmalloc. WARN
- * on it. Larger alignment should only be used for module
- * percpu sections on SMP for which this path isn't used.
- */
- WARN_ON_ONCE(align > SMP_CACHE_BYTES);
- return kzalloc(size, GFP_KERNEL);
-}
-
-static inline void free_percpu(void __percpu *p)
-{
- kfree(p);
-}
-
-static inline phys_addr_t per_cpu_ptr_to_phys(void *addr)
-{
- return __pa(addr);
+ return false;
}
static inline void __init setup_per_cpu_areas(void) { }
@@ -177,6 +160,10 @@ static inline void *pcpu_lpage_remapped(void *kaddr)
#endif /* CONFIG_SMP */
+extern void __percpu *__alloc_percpu(size_t size, size_t align);
+extern void free_percpu(void __percpu *__pdata);
+extern phys_addr_t per_cpu_ptr_to_phys(void *addr);
+
#define alloc_percpu(type) \
(typeof(type) __percpu *)__alloc_percpu(sizeof(type), __alignof__(type))
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 95477038a72a..c8e375440403 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -842,13 +842,6 @@ extern atomic_t perf_swevent_enabled[PERF_COUNT_SW_MAX];
extern void __perf_sw_event(u32, u64, int, struct pt_regs *, u64);
-static inline void
-perf_sw_event(u32 event_id, u64 nr, int nmi, struct pt_regs *regs, u64 addr)
-{
- if (atomic_read(&perf_swevent_enabled[event_id]))
- __perf_sw_event(event_id, nr, nmi, regs, addr);
-}
-
extern void
perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip);
@@ -887,6 +880,20 @@ static inline void perf_fetch_caller_regs(struct pt_regs *regs, int skip)
return perf_arch_fetch_caller_regs(regs, ip, skip);
}
+static inline void
+perf_sw_event(u32 event_id, u64 nr, int nmi, struct pt_regs *regs, u64 addr)
+{
+ if (atomic_read(&perf_swevent_enabled[event_id])) {
+ struct pt_regs hot_regs;
+
+ if (!regs) {
+ perf_fetch_caller_regs(&hot_regs, 1);
+ regs = &hot_regs;
+ }
+ __perf_sw_event(event_id, nr, nmi, regs, addr);
+ }
+}
+
extern void __perf_event_mmap(struct vm_area_struct *vma);
static inline void perf_event_mmap(struct vm_area_struct *vma)
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index c5da74918096..55ca73cf25e5 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -121,6 +121,13 @@ do { \
* (Note, rcu_assign_pointer and rcu_dereference are not needed to control
* access to data items when inserting into or looking up from the radix tree)
*
+ * Note that the value returned by radix_tree_tag_get() may not be relied upon
+ * if only the RCU read lock is held. Functions to set/clear tags and to
+ * delete nodes running concurrently with it may affect its result such that
+ * two consecutive reads in the same locked section may return different
+ * values. If reliability is required, modification functions must also be
+ * excluded from concurrency.
+ *
* radix_tree_tagged is able to be called without locking or RCU.
*/
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 3024050c82a1..07db2feb8572 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -101,10 +101,7 @@ extern struct lockdep_map rcu_sched_lock_map;
# define rcu_read_release_sched() \
lock_release(&rcu_sched_lock_map, 1, _THIS_IP_)
-static inline int debug_lockdep_rcu_enabled(void)
-{
- return likely(rcu_scheduler_active && debug_locks);
-}
+extern int debug_lockdep_rcu_enabled(void);
/**
* rcu_read_lock_held - might we be in RCU read-side critical section?
@@ -123,22 +120,11 @@ static inline int rcu_read_lock_held(void)
return lock_is_held(&rcu_lock_map);
}
-/**
- * rcu_read_lock_bh_held - might we be in RCU-bh read-side critical section?
- *
- * If CONFIG_PROVE_LOCKING is selected and enabled, returns nonzero iff in
- * an RCU-bh read-side critical section. In absence of CONFIG_PROVE_LOCKING,
- * this assumes we are in an RCU-bh read-side critical section unless it can
- * prove otherwise.
- *
- * Check rcu_scheduler_active to prevent false positives during boot.
+/*
+ * rcu_read_lock_bh_held() is defined out of line to avoid #include-file
+ * hell.
*/
-static inline int rcu_read_lock_bh_held(void)
-{
- if (!debug_lockdep_rcu_enabled())
- return 1;
- return lock_is_held(&rcu_bh_lock_map);
-}
+extern int rcu_read_lock_bh_held(void);
/**
* rcu_read_lock_sched_held - might we be in RCU-sched read-side critical section?
@@ -160,7 +146,7 @@ static inline int rcu_read_lock_sched_held(void)
return 1;
if (debug_locks)
lockdep_opinion = lock_is_held(&rcu_sched_lock_map);
- return lockdep_opinion || preempt_count() != 0;
+ return lockdep_opinion || preempt_count() != 0 || irqs_disabled();
}
#else /* #ifdef CONFIG_PREEMPT */
static inline int rcu_read_lock_sched_held(void)
@@ -191,7 +177,7 @@ static inline int rcu_read_lock_bh_held(void)
#ifdef CONFIG_PREEMPT
static inline int rcu_read_lock_sched_held(void)
{
- return !rcu_scheduler_active || preempt_count() != 0;
+ return !rcu_scheduler_active || preempt_count() != 0 || irqs_disabled();
}
#else /* #ifdef CONFIG_PREEMPT */
static inline int rcu_read_lock_sched_held(void)
@@ -206,12 +192,30 @@ static inline int rcu_read_lock_sched_held(void)
/**
* rcu_dereference_check - rcu_dereference with debug checking
+ * @p: The pointer to read, prior to dereferencing
+ * @c: The conditions under which the dereference will take place
+ *
+ * Do an rcu_dereference(), but check that the conditions under which the
+ * dereference will take place are correct. Typically the conditions indicate
+ * the various locking conditions that should be held at that point. The check
+ * should return true if the conditions are satisfied.
*
- * Do an rcu_dereference(), but check that the context is correct.
- * For example, rcu_dereference_check(gp, rcu_read_lock_held()) to
- * ensure that the rcu_dereference_check() executes within an RCU
- * read-side critical section. It is also possible to check for
- * locks being held, for example, by using lockdep_is_held().
+ * For example:
+ *
+ * bar = rcu_dereference_check(foo->bar, rcu_read_lock_held() ||
+ * lockdep_is_held(&foo->lock));
+ *
+ * could be used to indicate to lockdep that foo->bar may only be dereferenced
+ * if either the RCU read lock is held, or that the lock required to replace
+ * the bar struct at foo->bar is held.
+ *
+ * Note that the list of conditions may also include indications of when a lock
+ * need not be held, for example during initialisation or destruction of the
+ * target struct:
+ *
+ * bar = rcu_dereference_check(foo->bar, rcu_read_lock_held() ||
+ * lockdep_is_held(&foo->lock) ||
+ * atomic_read(&foo->usage) == 0);
*/
#define rcu_dereference_check(p, c) \
({ \
@@ -220,13 +224,45 @@ static inline int rcu_read_lock_sched_held(void)
rcu_dereference_raw(p); \
})
+/**
+ * rcu_dereference_protected - fetch RCU pointer when updates prevented
+ *
+ * Return the value of the specified RCU-protected pointer, but omit
+ * both the smp_read_barrier_depends() and the ACCESS_ONCE(). This
+ * is useful in cases where update-side locks prevent the value of the
+ * pointer from changing. Please note that this primitive does -not-
+ * prevent the compiler from repeating this reference or combining it
+ * with other references, so it should not be used without protection
+ * of appropriate locks.
+ */
+#define rcu_dereference_protected(p, c) \
+ ({ \
+ if (debug_lockdep_rcu_enabled() && !(c)) \
+ lockdep_rcu_dereference(__FILE__, __LINE__); \
+ (p); \
+ })
+
#else /* #ifdef CONFIG_PROVE_RCU */
#define rcu_dereference_check(p, c) rcu_dereference_raw(p)
+#define rcu_dereference_protected(p, c) (p)
#endif /* #else #ifdef CONFIG_PROVE_RCU */
/**
+ * rcu_access_pointer - fetch RCU pointer with no dereferencing
+ *
+ * Return the value of the specified RCU-protected pointer, but omit the
+ * smp_read_barrier_depends() and keep the ACCESS_ONCE(). This is useful
+ * when the value of this pointer is accessed, but the pointer is not
+ * dereferenced, for example, when testing an RCU-protected pointer against
+ * NULL. This may also be used in cases where update-side locks prevent
+ * the value of the pointer from changing, but rcu_dereference_protected()
+ * is a lighter-weight primitive for this use case.
+ */
+#define rcu_access_pointer(p) ACCESS_ONCE(p)
+
+/**
* rcu_read_lock - mark the beginning of an RCU read-side critical section.
*
* When synchronize_rcu() is invoked on one CPU while other CPUs
diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h
index 99928dce37ea..7fa02b4af838 100644
--- a/include/linux/reiserfs_xattr.h
+++ b/include/linux/reiserfs_xattr.h
@@ -70,6 +70,11 @@ int reiserfs_security_write(struct reiserfs_transaction_handle *th,
void reiserfs_security_free(struct reiserfs_security_handle *sec);
#endif
+static inline int reiserfs_xattrs_initialized(struct super_block *sb)
+{
+ return REISERFS_SB(sb)->priv_root != NULL;
+}
+
#define xattr_size(size) ((size) + sizeof(struct reiserfs_xattr_header))
static inline loff_t reiserfs_xattr_nblocks(struct inode *inode, loff_t size)
{
diff --git a/include/linux/security.h b/include/linux/security.h
index 233d20b52c1b..3158dd982d27 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -33,7 +33,7 @@
#include <linux/sched.h>
#include <linux/key.h>
#include <linux/xfrm.h>
-#include <linux/gfp.h>
+#include <linux/slab.h>
#include <net/flow.h>
/* Maximum number of letters for an LSM name string */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 03f816a9b659..124f90cd5a38 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -190,9 +190,6 @@ struct skb_shared_info {
atomic_t dataref;
unsigned short nr_frags;
unsigned short gso_size;
-#ifdef CONFIG_HAS_DMA
- dma_addr_t dma_head;
-#endif
/* Warning: this field is not always filled in (UFO)! */
unsigned short gso_segs;
unsigned short gso_type;
@@ -201,9 +198,6 @@ struct skb_shared_info {
struct sk_buff *frag_list;
struct skb_shared_hwtstamps hwtstamps;
skb_frag_t frags[MAX_SKB_FRAGS];
-#ifdef CONFIG_HAS_DMA
- dma_addr_t dma_maps[MAX_SKB_FRAGS];
-#endif
/* Intermediate layers must ensure that destructor_arg
* remains valid until skb destructor */
void * destructor_arg;
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 488446289cab..49d1247cd6d9 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -106,6 +106,7 @@ int kmem_cache_shrink(struct kmem_cache *);
void kmem_cache_free(struct kmem_cache *, void *);
unsigned int kmem_cache_size(struct kmem_cache *);
const char *kmem_cache_name(struct kmem_cache *);
+int kern_ptr_validate(const void *ptr, unsigned long size);
int kmem_ptr_validate(struct kmem_cache *cachep, const void *ptr);
/*
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 7b3aae2052a6..354cc5617f8b 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -255,6 +255,7 @@ struct ucred {
#define MSG_ERRQUEUE 0x2000 /* Fetch message from error queue */
#define MSG_NOSIGNAL 0x4000 /* Do not generate SIGPIPE */
#define MSG_MORE 0x8000 /* Sender will send more */
+#define MSG_WAITFORONE 0x10000 /* recvmmsg(): block until 1+ packets avail */
#define MSG_EOF MSG_FIN
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 97b60b37f445..af56071b06f9 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -21,6 +21,7 @@
#include <linux/device.h>
#include <linux/mod_devicetable.h>
+#include <linux/slab.h>
/*
* INTERFACES between SPI master-side drivers and SPI infrastructure.
diff --git a/include/linux/sunrpc/bc_xprt.h b/include/linux/sunrpc/bc_xprt.h
index d7152b451e21..7c91260c44a9 100644
--- a/include/linux/sunrpc/bc_xprt.h
+++ b/include/linux/sunrpc/bc_xprt.h
@@ -36,7 +36,6 @@ struct rpc_rqst *xprt_alloc_bc_request(struct rpc_xprt *xprt);
void xprt_free_bc_request(struct rpc_rqst *req);
int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs);
void xprt_destroy_backchannel(struct rpc_xprt *, int max_reqs);
-void bc_release_request(struct rpc_task *);
int bc_send(struct rpc_rqst *req);
/*
@@ -59,6 +58,10 @@ static inline int svc_is_backchannel(const struct svc_rqst *rqstp)
{
return 0;
}
+
+static inline void xprt_free_bc_request(struct rpc_rqst *req)
+{
+}
#endif /* CONFIG_NFS_V4_1 */
#endif /* _LINUX_SUNRPC_BC_XPRT_H */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index f994ae58a002..057929b0a651 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -688,7 +688,7 @@ asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
asmlinkage long sys_shmget(key_t key, size_t size, int flag);
asmlinkage long sys_shmdt(char __user *shmaddr);
asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
-asmlinkage long sys_ipc(unsigned int call, int first, int second,
+asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
unsigned long third, void __user *ptr, long fifth);
asmlinkage long sys_mq_open(const char __user *name, int oflag, mode_t mode, struct mq_attr __user *attr);
diff --git a/include/linux/taskstats_kern.h b/include/linux/taskstats_kern.h
index b6523c1427ce..58de6edf751f 100644
--- a/include/linux/taskstats_kern.h
+++ b/include/linux/taskstats_kern.h
@@ -9,6 +9,7 @@
#include <linux/taskstats.h>
#include <linux/sched.h>
+#include <linux/slab.h>
#ifdef CONFIG_TASKSTATS
extern struct kmem_cache *taskstats_cache;
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index f59604ed0ec6..78b4bd3be496 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -49,7 +49,7 @@ struct tracepoint {
void **it_func; \
\
rcu_read_lock_sched_notrace(); \
- it_func = rcu_dereference((tp)->funcs); \
+ it_func = rcu_dereference_sched((tp)->funcs); \
if (it_func) { \
do { \
((void(*)(proto))(*it_func))(args); \
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index bbf45d500b6d..f4b7ca516cdd 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -15,6 +15,8 @@
#ifndef __LINUX_USB_GADGET_H
#define __LINUX_USB_GADGET_H
+#include <linux/slab.h>
+
struct usb_ep;
/**
diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h
index ae4f039515b4..92228a8fbcbc 100644
--- a/include/linux/virtio_console.h
+++ b/include/linux/virtio_console.h
@@ -12,37 +12,14 @@
/* Feature bits */
#define VIRTIO_CONSOLE_F_SIZE 0 /* Does host provide console size? */
-#define VIRTIO_CONSOLE_F_MULTIPORT 1 /* Does host provide multiple ports? */
struct virtio_console_config {
/* colums of the screens */
__u16 cols;
/* rows of the screens */
__u16 rows;
- /* max. number of ports this device can hold */
- __u32 max_nr_ports;
- /* number of ports added so far */
- __u32 nr_ports;
} __attribute__((packed));
-/*
- * A message that's passed between the Host and the Guest for a
- * particular port.
- */
-struct virtio_console_control {
- __u32 id; /* Port number */
- __u16 event; /* The kind of control event (see below) */
- __u16 value; /* Extra information for the key */
-};
-
-/* Some events for control messages */
-#define VIRTIO_CONSOLE_PORT_READY 0
-#define VIRTIO_CONSOLE_CONSOLE_PORT 1
-#define VIRTIO_CONSOLE_RESIZE 2
-#define VIRTIO_CONSOLE_PORT_OPEN 3
-#define VIRTIO_CONSOLE_PORT_NAME 4
-#define VIRTIO_CONSOLE_PORT_REMOVE 5
-
#ifdef __KERNEL__
int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int));
#endif /* __KERNEL__ */
diff --git a/include/linux/wimax/debug.h b/include/linux/wimax/debug.h
index db8096e88533..57031b4d12f2 100644
--- a/include/linux/wimax/debug.h
+++ b/include/linux/wimax/debug.h
@@ -155,6 +155,7 @@
#include <linux/types.h>
#include <linux/device.h>
+#include <linux/slab.h>
/* Backend stuff */
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 76e8903cd204..36520ded3e06 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -34,6 +34,9 @@ struct writeback_control {
enum writeback_sync_modes sync_mode;
unsigned long *older_than_this; /* If !NULL, only write back inodes
older than this */
+ unsigned long wb_start; /* Time writeback_inodes_wb was
+ called. This is needed to avoid
+ extra jobs and livelock */
long nr_to_write; /* Write this many pages, and decrement
this for each page written */
long pages_skipped; /* Pages which were not written */
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index f076dfa75ae8..4f3760afc20f 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -54,6 +54,7 @@ enum p9_proto_versions{
enum p9_trans_status {
Connected,
+ BeginDisconnect,
Disconnected,
Hung,
};
@@ -198,6 +199,7 @@ int p9_client_version(struct p9_client *);
struct p9_client *p9_client_create(const char *dev_name, char *options);
void p9_client_destroy(struct p9_client *clnt);
void p9_client_disconnect(struct p9_client *clnt);
+void p9_client_begin_disconnect(struct p9_client *clnt);
struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
char *uname, u32 n_uname, char *aname);
struct p9_fid *p9_client_auth(struct p9_client *clnt, char *uname,
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 717e2192d521..206d22297ac3 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -10,6 +10,7 @@
#include <linux/spinlock.h>
#include <linux/timer.h>
#include <linux/list.h>
+#include <linux/slab.h>
#include <asm/atomic.h>
#define AX25_T1CLAMPLO 1
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 04a6908e38d2..ff77e8f882f1 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -176,6 +176,6 @@ extern void hci_sock_cleanup(void);
extern int bt_sysfs_init(void);
extern void bt_sysfs_cleanup(void);
-extern struct class *bt_class;
+extern struct dentry *bt_debugfs;
#endif /* __BLUETOOTH_H */
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index c07ac9650ebc..c49086d2bc7d 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -2,6 +2,7 @@
#define __NET_FIB_RULES_H
#include <linux/types.h>
+#include <linux/slab.h>
#include <linux/netdevice.h>
#include <linux/fib_rules.h>
#include <net/flow.h>
diff --git a/include/net/ipx.h b/include/net/ipx.h
index a14121dd1932..ef51a668ba19 100644
--- a/include/net/ipx.h
+++ b/include/net/ipx.h
@@ -13,6 +13,7 @@
#include <net/datalink.h>
#include <linux/ipx.h>
#include <linux/list.h>
+#include <linux/slab.h>
struct ipx_address {
__be32 net;
diff --git a/include/net/iucv/iucv.h b/include/net/iucv/iucv.h
index 5e310c8d8e2f..205a3360156e 100644
--- a/include/net/iucv/iucv.h
+++ b/include/net/iucv/iucv.h
@@ -28,6 +28,7 @@
*/
#include <linux/types.h>
+#include <linux/slab.h>
#include <asm/debug.h>
/*
diff --git a/include/net/netfilter/nf_conntrack_extend.h b/include/net/netfilter/nf_conntrack_extend.h
index 2d2a1f9a61d8..32d15bd6efa3 100644
--- a/include/net/netfilter/nf_conntrack_extend.h
+++ b/include/net/netfilter/nf_conntrack_extend.h
@@ -1,6 +1,8 @@
#ifndef _NF_CONNTRACK_EXTEND_H
#define _NF_CONNTRACK_EXTEND_H
+#include <linux/slab.h>
+
#include <net/netfilter/nf_conntrack.h>
enum nf_ct_ext_id {
diff --git a/include/net/netlabel.h b/include/net/netlabel.h
index 60ebbc1fef46..9db401a8b4d9 100644
--- a/include/net/netlabel.h
+++ b/include/net/netlabel.h
@@ -31,6 +31,7 @@
#define _NETLABEL_H
#include <linux/types.h>
+#include <linux/slab.h>
#include <linux/net.h>
#include <linux/skbuff.h>
#include <linux/in.h>
diff --git a/include/net/netlink.h b/include/net/netlink.h
index f82e463c875a..4fc05b58503e 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -945,7 +945,11 @@ static inline u64 nla_get_u64(const struct nlattr *nla)
*/
static inline __be64 nla_get_be64(const struct nlattr *nla)
{
- return *(__be64 *) nla_data(nla);
+ __be64 tmp;
+
+ nla_memcpy(&tmp, nla, sizeof(tmp));
+
+ return tmp;
}
/**
diff --git a/include/net/netrom.h b/include/net/netrom.h
index ab170a60e7d3..f0793c1cb5f8 100644
--- a/include/net/netrom.h
+++ b/include/net/netrom.h
@@ -9,6 +9,7 @@
#include <linux/netrom.h>
#include <linux/list.h>
+#include <linux/slab.h>
#include <net/sock.h>
#define NR_NETWORK_LEN 15
diff --git a/include/net/sock.h b/include/net/sock.h
index 092b0551e77f..b4603cd54fcd 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -51,6 +51,7 @@
#include <linux/skbuff.h> /* struct sk_buff */
#include <linux/mm.h>
#include <linux/security.h>
+#include <linux/slab.h>
#include <linux/filter.h>
#include <linux/rculist_nulls.h>
diff --git a/include/net/x25.h b/include/net/x25.h
index 9baa07dc7d17..468551ea4f1d 100644
--- a/include/net/x25.h
+++ b/include/net/x25.h
@@ -10,6 +10,7 @@
#ifndef _X25_H
#define _X25_H
#include <linux/x25.h>
+#include <linux/slab.h>
#include <net/sock.h>
#define X25_ADDR_LEN 16
@@ -182,6 +183,10 @@ extern int sysctl_x25_clear_request_timeout;
extern int sysctl_x25_ack_holdback_timeout;
extern int sysctl_x25_forward;
+extern int x25_parse_address_block(struct sk_buff *skb,
+ struct x25_address *called_addr,
+ struct x25_address *calling_addr);
+
extern int x25_addr_ntoa(unsigned char *, struct x25_address *,
struct x25_address *);
extern int x25_addr_aton(unsigned char *, struct x25_address *,
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index d74e080ba6c9..ac52f33f3e4a 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -12,6 +12,7 @@
#include <linux/in6.h>
#include <linux/mutex.h>
#include <linux/audit.h>
+#include <linux/slab.h>
#include <net/sock.h>
#include <net/dst.h>
diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h
index 32896a773910..2e488b60bc76 100644
--- a/include/pcmcia/ss.h
+++ b/include/pcmcia/ss.h
@@ -277,12 +277,6 @@ extern struct pccard_resource_ops pccard_nonstatic_ops;
#endif
-/* socket drivers are expected to use these callbacks in their .drv struct */
-extern int pcmcia_socket_dev_suspend(struct device *dev);
-extern void pcmcia_socket_dev_early_resume(struct device *dev);
-extern void pcmcia_socket_dev_late_resume(struct device *dev);
-extern int pcmcia_socket_dev_resume(struct device *dev);
-
/* socket drivers use this callback in their IRQ handler */
extern void pcmcia_parse_events(struct pcmcia_socket *socket,
unsigned int events);
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 9eaa3f05f954..3b586859669c 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -36,6 +36,7 @@
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_transport_sas.h>
#include <linux/scatterlist.h>
+#include <linux/slab.h>
struct block_device;
diff --git a/include/sound/ak4113.h b/include/sound/ak4113.h
index 8988edae1609..2609048c1d44 100644
--- a/include/sound/ak4113.h
+++ b/include/sound/ak4113.h
@@ -307,7 +307,7 @@ struct ak4113 {
int snd_ak4113_create(struct snd_card *card, ak4113_read_t *read,
ak4113_write_t *write,
- const unsigned char pgm[AK4113_WRITABLE_REGS],
+ const unsigned char *pgm,
void *private_data, struct ak4113 **r_ak4113);
void snd_ak4113_reg_write(struct ak4113 *ak4113, unsigned char reg,
unsigned char mask, unsigned char val);
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index 061f16d4c878..0a0b019d41ad 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -219,7 +219,6 @@ struct snd_soc_dai {
struct snd_soc_codec *codec;
unsigned int active;
unsigned char pop_wait:1;
- void *dma_data;
/* DAI private data */
void *private_data;
@@ -230,4 +229,21 @@ struct snd_soc_dai {
struct list_head list;
};
+static inline void *snd_soc_dai_get_dma_data(const struct snd_soc_dai *dai,
+ const struct snd_pcm_substream *ss)
+{
+ return (ss->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
+ dai->playback.dma_data : dai->capture.dma_data;
+}
+
+static inline void snd_soc_dai_set_dma_data(struct snd_soc_dai *dai,
+ const struct snd_pcm_substream *ss,
+ void *data)
+{
+ if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ dai->playback.dma_data = data;
+ else
+ dai->capture.dma_data = data;
+}
+
#endif
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 5d234a8c2506..a57fbfcd4c8f 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -375,6 +375,7 @@ struct snd_soc_pcm_stream {
unsigned int channels_min; /* min channels */
unsigned int channels_max; /* max channels */
unsigned int active:1; /* stream is in use */
+ void *dma_data; /* used by platform code */
};
/* SoC audio ops */
diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index 5fb72733331e..d870a918559c 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -40,6 +40,16 @@ DECLARE_EVENT_CLASS(block_rq_with_error,
__entry->nr_sector, __entry->errors)
);
+/**
+ * block_rq_abort - abort block operation request
+ * @q: queue containing the block operation request
+ * @rq: block IO operation request
+ *
+ * Called immediately after pending block IO operation request @rq in
+ * queue @q is aborted. The fields in the operation request @rq
+ * can be examined to determine which device and sectors the pending
+ * operation would access.
+ */
DEFINE_EVENT(block_rq_with_error, block_rq_abort,
TP_PROTO(struct request_queue *q, struct request *rq),
@@ -47,6 +57,15 @@ DEFINE_EVENT(block_rq_with_error, block_rq_abort,
TP_ARGS(q, rq)
);
+/**
+ * block_rq_requeue - place block IO request back on a queue
+ * @q: queue holding operation
+ * @rq: block IO operation request
+ *
+ * The block operation request @rq is being placed back into queue
+ * @q. For some reason the request was not completed and needs to be
+ * put back in the queue.
+ */
DEFINE_EVENT(block_rq_with_error, block_rq_requeue,
TP_PROTO(struct request_queue *q, struct request *rq),
@@ -54,6 +73,17 @@ DEFINE_EVENT(block_rq_with_error, block_rq_requeue,
TP_ARGS(q, rq)
);
+/**
+ * block_rq_complete - block IO operation completed by device driver
+ * @q: queue containing the block operation request
+ * @rq: block operations request
+ *
+ * The block_rq_complete tracepoint event indicates that some portion
+ * of operation request has been completed by the device driver. If
+ * the @rq->bio is %NULL, then there is absolutely no additional work to
+ * do for the request. If @rq->bio is non-NULL then there is
+ * additional work required to complete the request.
+ */
DEFINE_EVENT(block_rq_with_error, block_rq_complete,
TP_PROTO(struct request_queue *q, struct request *rq),
@@ -95,6 +125,16 @@ DECLARE_EVENT_CLASS(block_rq,
__entry->nr_sector, __entry->comm)
);
+/**
+ * block_rq_insert - insert block operation request into queue
+ * @q: target queue
+ * @rq: block IO operation request
+ *
+ * Called immediately before block operation request @rq is inserted
+ * into queue @q. The fields in the operation request @rq struct can
+ * be examined to determine which device and sectors the pending
+ * operation would access.
+ */
DEFINE_EVENT(block_rq, block_rq_insert,
TP_PROTO(struct request_queue *q, struct request *rq),
@@ -102,6 +142,14 @@ DEFINE_EVENT(block_rq, block_rq_insert,
TP_ARGS(q, rq)
);
+/**
+ * block_rq_issue - issue pending block IO request operation to device driver
+ * @q: queue holding operation
+ * @rq: block IO operation operation request
+ *
+ * Called when block operation request @rq from queue @q is sent to a
+ * device driver for processing.
+ */
DEFINE_EVENT(block_rq, block_rq_issue,
TP_PROTO(struct request_queue *q, struct request *rq),
@@ -109,6 +157,17 @@ DEFINE_EVENT(block_rq, block_rq_issue,
TP_ARGS(q, rq)
);
+/**
+ * block_bio_bounce - used bounce buffer when processing block operation
+ * @q: queue holding the block operation
+ * @bio: block operation
+ *
+ * A bounce buffer was used to handle the block operation @bio in @q.
+ * This occurs when hardware limitations prevent a direct transfer of
+ * data between the @bio data memory area and the IO device. Use of a
+ * bounce buffer requires extra copying of data and decreases
+ * performance.
+ */
TRACE_EVENT(block_bio_bounce,
TP_PROTO(struct request_queue *q, struct bio *bio),
@@ -138,6 +197,14 @@ TRACE_EVENT(block_bio_bounce,
__entry->nr_sector, __entry->comm)
);
+/**
+ * block_bio_complete - completed all work on the block operation
+ * @q: queue holding the block operation
+ * @bio: block operation completed
+ *
+ * This tracepoint indicates there is no further work to do on this
+ * block IO operation @bio.
+ */
TRACE_EVENT(block_bio_complete,
TP_PROTO(struct request_queue *q, struct bio *bio),
@@ -193,6 +260,14 @@ DECLARE_EVENT_CLASS(block_bio,
__entry->nr_sector, __entry->comm)
);
+/**
+ * block_bio_backmerge - merging block operation to the end of an existing operation
+ * @q: queue holding operation
+ * @bio: new block operation to merge
+ *
+ * Merging block request @bio to the end of an existing block request
+ * in queue @q.
+ */
DEFINE_EVENT(block_bio, block_bio_backmerge,
TP_PROTO(struct request_queue *q, struct bio *bio),
@@ -200,6 +275,14 @@ DEFINE_EVENT(block_bio, block_bio_backmerge,
TP_ARGS(q, bio)
);
+/**
+ * block_bio_frontmerge - merging block operation to the beginning of an existing operation
+ * @q: queue holding operation
+ * @bio: new block operation to merge
+ *
+ * Merging block IO operation @bio to the beginning of an existing block
+ * operation in queue @q.
+ */
DEFINE_EVENT(block_bio, block_bio_frontmerge,
TP_PROTO(struct request_queue *q, struct bio *bio),
@@ -207,6 +290,13 @@ DEFINE_EVENT(block_bio, block_bio_frontmerge,
TP_ARGS(q, bio)
);
+/**
+ * block_bio_queue - putting new block IO operation in queue
+ * @q: queue holding operation
+ * @bio: new block operation
+ *
+ * About to place the block IO operation @bio into queue @q.
+ */
DEFINE_EVENT(block_bio, block_bio_queue,
TP_PROTO(struct request_queue *q, struct bio *bio),
@@ -243,6 +333,15 @@ DECLARE_EVENT_CLASS(block_get_rq,
__entry->nr_sector, __entry->comm)
);
+/**
+ * block_getrq - get a free request entry in queue for block IO operations
+ * @q: queue for operations
+ * @bio: pending block IO operation
+ * @rw: low bit indicates a read (%0) or a write (%1)
+ *
+ * A request struct for queue @q has been allocated to handle the
+ * block IO operation @bio.
+ */
DEFINE_EVENT(block_get_rq, block_getrq,
TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
@@ -250,6 +349,17 @@ DEFINE_EVENT(block_get_rq, block_getrq,
TP_ARGS(q, bio, rw)
);
+/**
+ * block_sleeprq - waiting to get a free request entry in queue for block IO operation
+ * @q: queue for operation
+ * @bio: pending block IO operation
+ * @rw: low bit indicates a read (%0) or a write (%1)
+ *
+ * In the case where a request struct cannot be provided for queue @q
+ * the process needs to wait for an request struct to become
+ * available. This tracepoint event is generated each time the
+ * process goes to sleep waiting for request struct become available.
+ */
DEFINE_EVENT(block_get_rq, block_sleeprq,
TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
@@ -257,6 +367,14 @@ DEFINE_EVENT(block_get_rq, block_sleeprq,
TP_ARGS(q, bio, rw)
);
+/**
+ * block_plug - keep operations requests in request queue
+ * @q: request queue to plug
+ *
+ * Plug the request queue @q. Do not allow block operation requests
+ * to be sent to the device driver. Instead, accumulate requests in
+ * the queue to improve throughput performance of the block device.
+ */
TRACE_EVENT(block_plug,
TP_PROTO(struct request_queue *q),
@@ -293,6 +411,13 @@ DECLARE_EVENT_CLASS(block_unplug,
TP_printk("[%s] %d", __entry->comm, __entry->nr_rq)
);
+/**
+ * block_unplug_timer - timed release of operations requests in queue to device driver
+ * @q: request queue to unplug
+ *
+ * Unplug the request queue @q because a timer expired and allow block
+ * operation requests to be sent to the device driver.
+ */
DEFINE_EVENT(block_unplug, block_unplug_timer,
TP_PROTO(struct request_queue *q),
@@ -300,6 +425,13 @@ DEFINE_EVENT(block_unplug, block_unplug_timer,
TP_ARGS(q)
);
+/**
+ * block_unplug_io - release of operations requests in request queue
+ * @q: request queue to unplug
+ *
+ * Unplug request queue @q because device driver is scheduled to work
+ * on elements in the request queue.
+ */
DEFINE_EVENT(block_unplug, block_unplug_io,
TP_PROTO(struct request_queue *q),
@@ -307,6 +439,17 @@ DEFINE_EVENT(block_unplug, block_unplug_io,
TP_ARGS(q)
);
+/**
+ * block_split - split a single bio struct into two bio structs
+ * @q: queue containing the bio
+ * @bio: block operation being split
+ * @new_sector: The starting sector for the new bio
+ *
+ * The bio request @bio in request queue @q needs to be split into two
+ * bio requests. The newly created @bio request starts at
+ * @new_sector. This split may be required due to hardware limitation
+ * such as operation crossing device boundaries in a RAID system.
+ */
TRACE_EVENT(block_split,
TP_PROTO(struct request_queue *q, struct bio *bio,
@@ -337,6 +480,16 @@ TRACE_EVENT(block_split,
__entry->comm)
);
+/**
+ * block_remap - map request for a partition to the raw device
+ * @q: queue holding the operation
+ * @bio: revised operation
+ * @dev: device for the operation
+ * @from: original sector for the operation
+ *
+ * An operation for a partition on a block device has been mapped to the
+ * raw block device.
+ */
TRACE_EVENT(block_remap,
TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
@@ -370,6 +523,17 @@ TRACE_EVENT(block_remap,
(unsigned long long)__entry->old_sector)
);
+/**
+ * block_rq_remap - map request for a block operation request
+ * @q: queue holding the operation
+ * @rq: block IO operation request
+ * @dev: device for the operation
+ * @from: original sector for the operation
+ *
+ * The block operation request @rq in @q has been remapped. The block
+ * operation request @rq holds the current information and @from hold
+ * the original sector.
+ */
TRACE_EVENT(block_rq_remap,
TP_PROTO(struct request_queue *q, struct request *rq, dev_t dev,
diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h
index b9763badbd77..43e2d7d33976 100644
--- a/include/xen/xenbus.h
+++ b/include/xen/xenbus.h
@@ -39,6 +39,7 @@
#include <linux/mutex.h>
#include <linux/completion.h>
#include <linux/init.h>
+#include <linux/slab.h>
#include <xen/interface/xen.h>
#include <xen/interface/grant_table.h>
#include <xen/interface/io/xenbus.h>
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