| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
[PATCH] get rid of __exit_files(), __exit_fs() and __put_fs_struct()
[PATCH] proc_readfd_common() race fix
[PATCH] double-free of inode on alloc_file() failure exit in create_write_pipe()
[PATCH] teach seq_file to discard entries
[PATCH] umount_tree() will unhash everything itself
[PATCH] get rid of more nameidata passing in namespace.c
[PATCH] switch a bunch of LSM hooks from nameidata to path
[PATCH] lock exclusively in collect_mounts() and drop_collected_mounts()
[PATCH] move a bunch of declarations to fs/internal.h
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Since we drop the rcu_read_lock inside the loop, we can't assume
that files->fdt will remain unchanged (and not freed) between
iterations.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Duh... Fortunately, the bug is quite recent (post-2.6.25) and, embarrassingly,
mine ;-/
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Allow ->show() return SEQ_SKIP; that will discard all
output from that element and move on.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Further reduction of stack footprint (sys_pivot_root());
lose useless BKL in there, while we are at it.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Namely, ones from namespace.c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Taking namespace_sem shared there isn't worth the trouble, especially with
vfsmount ID allocation about to be added. That way we know that umount_tree(),
copy_tree() and clone_mnt() are _always_ serialized by namespace_sem.
umount_tree() still needs vfsmount_lock (it manipulates hash chains, among
other things), but that's a separate story.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Use offset type consistently.
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm:
dlm: linux/{dlm,dlm_device}.h: cleanup for userspace
dlm: common max length definitions
dlm: move plock code from gfs2
dlm: recover nodes that are removed and re-added
dlm: save master info after failed no-queue request
dlm: make dlm_print_rsb() static
dlm: match signedness between dlm_config_info and cluster_set
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Add central definitions for max lockspace name length and max resource
name length. The lack of central definitions has resulted in scattered
private definitions which we can now clean up, including an unused one
in dlm_device.h.
Signed-off-by: David Teigland <teigland@redhat.com>
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Move the code that handles cluster posix locks from gfs2 into the dlm
so that it can be used by both gfs2 and ocfs2.
Signed-off-by: David Teigland <teigland@redhat.com>
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If a node is removed from a lockspace, and then added back before the
dlm is notified of the removal, the dlm will not detect the removal
and won't clear the old state from the node. This is fixed by using a
list of added nodes so the membership recovery can detect when a newly
added node is already in the member list.
Signed-off-by: David Teigland <teigland@redhat.com>
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When a NOQUEUE request fails, the rsb res_master field is unnecessarily
reset to -1, instead of leaving the valid master setting in place. We
want to save the looked-up master values while the rsb is on the "toss
list" so that another lookup can be avoided if the rsb is soon reused.
The fix is to simply leave res_master value alone.
Signed-off-by: David Teigland <teigland@redhat.com>
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dlm_print_rsb() can now become static.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David Teigland <teigland@redhat.com>
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cluster_set is only called from the macro CLUSTER_ATTR which defines read/write
access functions. Make the signedness match to avoid sparse warnings every time
CLUSTER_ATTR is used (lines 149-159) all of the form:
fs/dlm/config.c:149:1: warning: incorrect type in argument 3 (different signedness)
fs/dlm/config.c:149:1: expected unsigned int *info_field
fs/dlm/config.c:149:1: got int extern [toplevel] *<noident>
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David Teigland <teigland@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6: (41 commits)
udf: use crc_itu_t from lib instead of udf_crc
udf: Fix compilation warnings when UDF debug is on
udf: Fix bug in VAT mapping code
udf: Add read-only support for 2.50 UDF media
udf: Fix handling of multisession media
udf: Mount filesystem read-only if it has pseudooverwrite partition
udf: Handle VAT packed inside inode properly
udf: Allow loading of VAT inode
udf: Fix detection of VAT version
udf: Silence warning about accesses beyond end of device
udf: Improve anchor block detection
udf: Cleanup anchor block detection.
udf: Move processing of virtual partitions
udf: Move filling of partition descriptor info into a separate function
udf: Improve error recovery on mount
udf: Cleanup volume descriptor sequence processing
udf: fix anchor point detection
udf: Remove declarations of arrays of size UDF_NAME_LEN (256 bytes)
udf: Remove checking of existence of filename in udf_add_entry()
udf: Mark udf_process_sequence() as noinline
...
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As pointed out by Sergey Vlasov, UDF implements its own version of
the CRC ITU-T V.41. Convert it to use the one in the library.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Cc: Sergey Vlasov <vsu@altlinux.ru>
Signed-off-by: Jan Kara <jack@suse.cz>
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Fix two compilation warnings (and actual bugs in message formatting)
when UDF debugging is turned on.
Signed-off-by: Sebastian Manciulea <manciuleas@yahoo.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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Fix mapping of blocks using VAT when it is stored in an inode.
UDF_I(inode)->i_data already points to the beginning of VAT header so there's
no need to add udf_ext0_offset(inode).
Signed-off-by: Sebastian Manciulea <manciuleas@yahoo.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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This patch implements parsing of metadata partitions and reading of Metadata
File thus allowing to read UDF 2.50 media. Error resilience is implemented
through accessing the Metadata Mirror File in case the data the Metadata File
cannot be read. The patch is based on the original patch by Sebastian Manciulea
<manciuleas@yahoo.com> and Mircea Fedoreanu <mirceaf_spl@yahoo.com>.
Signed-off-by: Sebastian Manciulea <manciuleas@yahoo.com>
Signed-off-by: Mircea Fedoreanu <mirceaf_spl@yahoo.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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According to OSTA UDF specification, only anchor blocks and primary volume
descriptors are placed on media relative to the last session. All other block
numbers are absolute (in the partition or the whole media). This seems to be
confirmed by multisession media created by other systems.
Signed-off-by: Sebastian Manciulea <manciuleas@yahoo.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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As we don't properly support writing to pseudooverwrite partition (we should
add entries to VAT and relocate blocks instead of just writing them), mount
filesystems with such partition as read-only.
Signed-off-by: Jan Kara <jack@suse.cz>
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We didn't handle VAT packed inside the inode - we tried to call udf_block_map()
on such file which lead to strange results at best. Add proper handling of
packed VAT as we do it with other packed files.
Signed-off-by: Jan Kara <jack@suse.cz>
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UDF media with VAT could have never worked because udf_fill_inode() didn't
know about case FILE_TYPE_VAT20. Fix this.
Signed-off-by: Jan Kara <jack@suse.cz>
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We incorrectly (way to strictly) checked version of VAT on loading and thus
refuse to mount correct media. There are just two format versions - below 2.0
and above 2.0 and we understand both. So update the version check accordingly.
Signed-off-by: Jan Kara <jack@suse.cz>
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Some of the computed positions of anchor block could be beyond the end of
device. Skip reading such blocks.
Signed-off-by: Jan Kara <jack@suse.cz>
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Add <last block>+1 and <last block>-1 to a list of blocks which can be the
real last recorded block on a UDF media. Sebastian Manciulea
<manciuleas@yahoo.com> claims this helps some drive + media combinations
he is able to test.
Signed-off-by: Jan Kara <jack@suse.cz>
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UDF anchor block detection is complicated by several things - there are several
places where the anchor point can be, some of them relative to the last
recorded block which some devices report wrongly. Moreover some devices on some
media seem to have 7 spare blocks sectors for every 32 blocks (at least as far
as I understand the old code) so we have to count also with that possibility.
This patch splits anchor block detection into several functions so that it is
clearer what we actually try to do. We fix several bugs of the type "for such
and such media, we fail to check block blah" as a result of the cleanup.
Signed-off-by: Jan Kara <jack@suse.cz>
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This patch move processing of UDF virtual partitions close to the place
where other partition types are processed. As a result we now also
properly fill in partition access type.
Signed-off-by: Jan Kara <jack@suse.cz>
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Signed-off-by: Jan Kara <jack@suse.cz>
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Report error when we fail to allocate memory for a bitmap and properly
release allocated memory and inodes for all the partitions in case of
mount failure and umount.
Signed-off-by: Jan Kara <jack@suse.cz>
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Cleanup processing of volume descriptor sequence so that it is more readable,
make code handle errors (e.g. media problems) better.
Signed-off-by: Jan Kara <jack@suse.cz>
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According to ECMA 167 rev. 3 (see 3/8.4.2.1), Anchor Volume Descriptor
Pointer should be recorded at two or more anchor points located at sectors
256, N, N - 256, where N - is a largest logical sector number at volume
space.
So we should always try to detect N on UDF volume before trying to find
Anchor Volume Descriptor (i.e. calling to udf_find_anchor()).
That said, all this patch does is updates the s_last_block even if the
udf_vrs() returns positive value.
Originally written and tested by Yuri Per, ported on latest mainline by me.
Signed-off-by: Yuri Per <Yuri.Per@acronis.com>
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: Max Lyadvinsky <Max.Lyadvinsky@acronis.com>
Cc: Vladimir Simonov <Vladimir.Simonov@acronis.com>
Cc: Andrew Neporada <Andrew.Neporada@acronis.com>
Cc: Kirill Korotaev <dev@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
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There are several places in UDF where we declared temporary arrays of
UDF_NAME_LEN bytes on stack. This is not nice to stack usage so this patch
changes those places to use kmalloc() instead. Also clean up bail-out paths
in those functions when we are changing them.
Signed-off-by: Jan Kara <jack@suse.cz>
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We don't have to check whether a directory entry already exists in a directory
when creating a new one since we've already checked that earlier by lookup and
we are holding directory i_mutex all the time.
Signed-off-by: Jan Kara <jack@suse.cz>
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Mark udf_process_sequence() as noinline since stack usage is terrible
otherwise.
Signed-off-by: Jan Kara <jack@suse.cz>
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reorganize few code blocks in super.c which
were needlessly indented (and hard to read):
so change from:
rettype fun()
{
init;
if (sth) {
long block of code;
}
}
to:
rettype fun()
{
init;
if (!sth)
return;
long block of code;
}
or
from:
rettype fun2()
{
init;
while (sth) {
init2();
if (sth2) {
long block of code;
}
}
}
to:
rettype fun2()
{
init;
while (sth) {
init2();
if (!sth2)
continue;
long block of code;
}
}
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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remove now unneeded kernel_timestamp type with conversion functions
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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* kernel_timestamp type was almost unused - only callers of udf_stamp_to_time
and udf_time_to_stamp used it, so let these functions handle endianness
internally and don't clutter code with conversions
* rename udf_stamp_to_time to udf_disk_stamp_to_time
and udf_time_to_stamp to udf_time_to_disk_stamp
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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block cannot be less than 0, because it's sector_t,
so remove unneeded checks
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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replace handwritten bits counting with bitmap_weight
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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- translate udf_file_entry_alloc_offset macro into function
- translate udf_ext0_offset macro into function
- add comment about crypticly named fields in struct udf_inode_info
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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- move all brelse(ibh) after main if, because it's called
on every path except one where ibh is null
- move variables to the most inner blocks
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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replace all:
little_endian_variable = cpu_to_leX(leX_to_cpu(little_endian_variable) +
expression_in_cpu_byteorder);
with:
leX_add_cpu(&little_endian_variable, expression_in_cpu_byteorder);
sparse didn't generate any new warning with this patch
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com
Signed-off-by: Jan Kara <jack@suse.cz>
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Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Jan Kara <jack@suse.cz>
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- remove one indentation level by little code reorganization
- convert "if (smth) BUG();" to "BUG_ON(smth);"
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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