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* UBIFS: correct usage of IS_ENABLED()Brian Norris2012-06-271-4/+4
| | | | | | | | | | Commit "818039c UBIFS: fix debugfs-less systems support" fixed one regression but introduced a different regression - the debugfs is now always compiled out. Root cause: IS_ENABLED() arguments should be used with the CONFIG_* prefix. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: fix assertionDan Carpenter2012-06-181-2/+2
| | | | | | | | The asserts here never check anything because it uses '|' instead of '&'. Now if the flags are not set it prints a warning a a stack trace. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* UBIFS: fix debugfs-less systems supportArtem Bityutskiy2012-06-071-2/+10
| | | | | | | | | | | Commit "f70b7e5 UBIFS: remove Kconfig debugging option" broke UBIFS and it refuses to initialize if debugfs (CONFIG_DEBUG_FS) is disabled. I incorrectly assumed that debugfs files creation function will return success if debugfs is disabled, but they actually return -ENODEV. This patch fixes the issue. Reported-by: Paul Parsons <lost.distance@yahoo.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Tested-by: Paul Parsons <lost.distance@yahoo.com>
* ubifs: use generic_fillattr()Al Viro2012-05-291-10/+1
| | | | | | don't open-code it... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Merge tag 'writeback' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linuxLinus Torvalds2012-05-281-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull writeback tree from Wu Fengguang: "Mainly from Jan Kara to avoid iput() in the flusher threads." * tag 'writeback' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux: writeback: Avoid iput() from flusher thread vfs: Rename end_writeback() to clear_inode() vfs: Move waiting for inode writeback from end_writeback() to evict_inode() writeback: Refactor writeback_single_inode() writeback: Remove wb->list_lock from writeback_single_inode() writeback: Separate inode requeueing after writeback writeback: Move I_DIRTY_PAGES handling writeback: Move requeueing when I_SYNC set to writeback_sb_inodes() writeback: Move clearing of I_SYNC into inode_sync_complete() writeback: initialize global_dirty_limit fs: remove 8 bytes of padding from struct writeback_control on 64 bit builds mm: page-writeback.c: local functions should not be exposed globally
| * vfs: Rename end_writeback() to clear_inode()Jan Kara2012-05-061-1/+1
| | | | | | | | | | | | | | | | | | After we moved inode_sync_wait() from end_writeback() it doesn't make sense to call the function end_writeback() anymore. Rename it to clear_inode() which well says what the function really does - set I_CLEAR flag. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
* | Merge tag 'upstream-3.5-rc1' of git://git.infradead.org/linux-ubifsLinus Torvalds2012-05-2226-642/+369
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull UBI and UBIFS updates from Artem Bityutskiy: UBIFS: * Always support xattrs (remove the Kconfig option) * Always support debugging (remove the Kconfig option) * A fix for a memory leak on error path * A number of clean-ups UBI: * Always support debugging (remove the Kconfig option) * Remove "data type" hint support * Huge amount of renames to prepare for the fastmap wor * A lot of clean-ups * tag 'upstream-3.5-rc1' of git://git.infradead.org/linux-ubifs: (54 commits) UBI: modify ubi_wl_flush function to clear work queue for a lnum UBI: introduce UBI_ALL constant UBI: add lnum and vol_id to struct ubi_work UBI: add volume id struct ubi_ainf_peb UBI: add in hex the value for UBI_INTERNAL_VOL_START to comment UBI: rename scan.c to attach.c UBI: remove scan.h UBI: rename UBI_SCAN_UNKNOWN_EC UBI: move and rename attach_by_scanning UBI: rename _init_scan functions UBI: amend comments after all the renamings UBI: rename ubi_scan_leb_slab UBI: rename ubi_scan_move_to_list UBI: rename ubi_scan_destroy_ai UBI: rename ubi_scan_get_free_peb UBI: rename ubi_scan_rm_volume UBI: rename ubi_scan_find_av UBI: rename ubi_scan_add_used UBI: remove unused function UBI: make ubi_scan_erase_peb static and rename ...
| * | UBI: amend commentaries WRT dtypeArtem Bityutskiy2012-05-201-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Richard removed the "dtype" hint, but few commentaries were left and this patch removes them. I've also added a better description about the "dtype" field in the ubi-user.h for people who may ever wonder what was that dtype thing about. This patch also adds an important note that it is better to use value "3" for the "dtype" field. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * | UBI: Kill data type hintRichard Weinberger2012-05-2016-99/+69
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We do not need this feature and to our shame it even was not working and there was a bug found very recently. -- Artem Bityutskiy Without the data type hint UBI2 (fastmap) will be easier to implement. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * | UBIFS: fix memory leak on error pathSidney Amani2012-05-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | UBIFS leaks memory on error path in 'mount_ubifs()'. In case of failure in 'ubifs_fixup_free_space()', it does not call 'ubifs_lpt_free()' whereas LPT data structures can potentially be allocated. The amount of memory leaked can be quite high -- see 'ubifs_lpt_init()'. The bug was introduced when moving the LPT initialisation earlier in the mount process (commit '781c5717a95a74b294beb38b8276943b0f8b5bb4'). Signed-off-by: Sidney Amani <seed95@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * | UBIFS: make ubifs_lpt_init clean-up in case of failureArtem Bityutskiy2012-05-201-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most functions in UBIFS follow the following designn pattern: if the function allocates multiple resources, and failss at some point, it frees what it has allocated and returns an error. So the caller can rely on the fact that the callee has cleaned up everything after own failure. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Acked-by: Sidney Amani <seed95@gmail.com>
| * | UBIFS: get rid of dbg_errArtem Bityutskiy2012-05-1612-119/+114
| | | | | | | | | | | | | | | | | | | | | | | | This patch removes the 'dbg_err()' macro and we now use 'ubifs_err()' instead. The idea of 'dbg_err()' was to compile out some error message to make the binary a bit smaller - but I think it was a bad idea. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * | UBIFS: remove Kconfig debugging optionArtem Bityutskiy2012-05-1615-238/+19
| | | | | | | | | | | | | | | | | | | | | Have the debugging stuff always compiled-in instead. It simplifies maintanance a lot. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * | UBIFS: remove a couple of unused macrosArtem Bityutskiy2012-05-161-3/+0
| | | | | | | | | | | | Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * | UBIFS: rename dumping functionsArtem Bityutskiy2012-05-1619-163/+160
| | | | | | | | | | | | | | | | | | | | | | | | This commit re-names all functions which dump something from "dbg_dump_*()" to "ubifs_dump_*()". This is done for consistency with UBI and because this way it will be more logical once we remove the debugging sompilation option. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * | UBIFS: get rid of dbg_dump_stackArtem Bityutskiy2012-05-168-27/+24
| | | | | | | | | | | | | | | | | | | | | In case of errors we almost always need the stack dump - it makes no sense to compile it out. Remove the 'dbg_dump_stack()' function completely. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * | UBIFS: remove xattr Kconnfig optionSubodh Nijsure2012-05-035-14/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove CONFIG_UBIFS_FS_XATTR configuration option and associated UBIFS_FS_XATTR ifdefs. Testing: Tested using integck while using nandsim on x86 & MX28 based platform with Micron MT29F2G08ABAEAH4 nand. Signed-off-by: Subodh Nijsure <snijsure@grid-net.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * | UBIFS: remove douple initialization in change_category()Dan Carpenter2012-05-031-1/+1
| |/ | | | | | | | | | | | | | | | | | | "heap" is initialized twice. I removed the first one, because it makes Smatch complain that we use "new_cat" as an offset before checking it. This doesn't change how the code works, it's just a cleanup. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* | vfs: make it possible to access the dentry hash/len as one 64-bit entryLinus Torvalds2012-05-102-4/+4
|/ | | | | | | | | | | | | | | This allows comparing hash and len in one operation on 64-bit architectures. Right now only __d_lookup_rcu() takes advantage of this, since that is the case we care most about. The use of anonymous struct/unions hides the alternate 64-bit approach from most users, the exception being a few cases where we initialize a 'struct qstr' with a static initializer. This makes the problematic cases use a new QSTR_INIT() helper function for that (but initializing just the name pointer with a "{ .name = xyzzy }" initializer remains valid, as does just copying another qstr structure). Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge tag 'upstream-3.4-rc1' of git://git.infradead.org/linux-ubifsLinus Torvalds2012-03-236-230/+234
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull UBIFS changes from Artem Bityutskiy: - Improve error messages - Clean-up i_nlink management - Minor clean-ups * tag 'upstream-3.4-rc1' of git://git.infradead.org/linux-ubifs: UBIFS: improve error messages UBIFS: kill CUR_MAX_KEY_LEN macro UBIFS: do not use inc_link when i_nlink is zero UBIFS: make the dbg_lock spinlock static UBIFS: increase dumps loglevel UBIFS: amend recovery debugging message
| * UBIFS: improve error messagesArtem Bityutskiy2012-03-071-5/+14
| | | | | | | | | | | | | | | | | | | | | | | | Ricard complaints that the following error message is odd: "UBIFS error (pid 1578): validate_sb: bad superblock, error 8" and he is right. This patch improves the error messages a bit and makes them more user-friendly. Reported-by: Ricard Wanderlof <ricard.wanderlof@axis.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * UBIFS: kill CUR_MAX_KEY_LEN macroArtem Bityutskiy2012-02-291-7/+4
| | | | | | | | | | | | | | | | It is useless and confusing and may make people believe they may just change it, which is not true, because this will also change the on-flash format. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * UBIFS: do not use inc_link when i_nlink is zeroArtem Bityutskiy2012-02-291-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch changes the 'i_nlink' counter handling in 'ubifs_unlink()', 'ubifs_rmdir()' and 'ubifs_rename()'. In these function 'i_nlink' may become 0, and if 'ubifs_jnl_update()' failed, we would use 'inc_nlink()' to restore the previous 'i_nlink' value, which is incorrect from the VFS point of view and would cause a 'WARN_ON()' (see 'inc_nlink() implementation). This patches saves the previous 'i_nlink' value in a local variable and uses it at the error path instead of calling 'inc_nlink()'. We do this only for the inodes where 'i_nlink' may potentially become zero. This change has been requested by Al Viro <viro@ZenIV.linux.org.uk>. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * UBIFS: make the dbg_lock spinlock staticArtem Bityutskiy2012-02-292-4/+1
| | | | | | | | | | | | | | Remove the usage of the 'dbg_lock' spinlock from 'dbg_err()' and make it static. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * UBIFS: increase dumps loglevelArtem Bityutskiy2012-02-291-204/+204
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Most of the time we use the dumping function to dump something in case of error. We use 'KERN_DEBUG' printk level, and the drawback is that users do not see them in the console, while they see the other error messages in the console. The result is that they send bug reports which does not contain a lot of useful information. This patch changes the printk level of the dump functions to 'KERN_ERR' to correct the situation. I documented it in the MTD web site that people have to send the 'dmesg' output when submitting bug reposts - it did not help. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * UBIFS: amend recovery debugging messageArtem Bityutskiy2012-02-291-1/+2
| | | | | | | | | | | | Print LEB and offset as well. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* | Merge branch 'for-linus' of ↵Linus Torvalds2012-03-211-4/+2
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs pile 1 from Al Viro: "This is _not_ all; in particular, Miklos' and Jan's stuff is not there yet." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (64 commits) ext4: initialization of ext4_li_mtx needs to be done earlier debugfs-related mode_t whack-a-mole hfsplus: add an ioctl to bless files hfsplus: change finder_info to u32 hfsplus: initialise userflags qnx4: new helper - try_extent() qnx4: get rid of qnx4_bread/qnx4_getblk take removal of PF_FORKNOEXEC to flush_old_exec() trim includes in inode.c um: uml_dup_mmap() relies on ->mmap_sem being held, but activate_mm() doesn't hold it um: embed ->stub_pages[] into mmu_context gadgetfs: list_for_each_safe() misuse ocfs2: fix leaks on failure exits in module_init ecryptfs: make register_filesystem() the last potential failure exit ntfs: forgets to unregister sysctls on register_filesystem() failure logfs: missing cleanup on register_filesystem() failure jfs: mising cleanup on register_filesystem() failure make configfs_pin_fs() return root dentry on success configfs: configfs_create_dir() has parent dentry in dentry->d_parent configfs: sanitize configfs_create() ...
| * | switch open-coded instances of d_make_root() to new helperAl Viro2012-03-201-4/+2
| |/ | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | ubifs: remove the second argument of k[un]map_atomic()Cong Wang2012-03-201-2/+2
|/ | | | Signed-off-by: Cong Wang <amwang@redhat.com>
* UBIFS: fix non-debug configuration buildDominique Martinet2012-01-151-14/+17
| | | | | | | | | | Fix a brown paperbag bug introduced by me in the previous commit. I was in hurry and forgot about the non-debug case completely. Artem: amend the commit message and tweak the patch to preserve alignment. This made the patch a bit less readable, though. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com>
* Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6Linus Torvalds2012-01-136-104/+110
|\ | | | | | | | | | | | | | | | | | | * 'linux-next' of git://git.infradead.org/ubifs-2.6: UBIFS: fix key printing UBIFS: use snprintf instead of sprintf when printing keys UBIFS: fix debugging messages UBIFS: make debugging messages light again UBI: fix debugging messages UBI: make vid_hdr non-static
| * UBIFS: fix key printingArtem Bityutskiy2012-01-136-88/+91
| | | | | | | | | | | | | | | | | | | | | | | | Before commit 56e46742e846e4de167dde0e1e1071ace1c882a5 we have had locking around all printing macros and we could use static buffers for creating key strings and printing them. However, now we do not have that locking and we cannot use static buffers. This commit removes the old DBGKEY() macros and introduces few new helper macros for printing debugging messages plus a key at the end. Thankfully, all the messages are already structures in a way that the key is printed in the end. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * UBIFS: use snprintf instead of sprintf when printing keysArtem Bityutskiy2012-01-131-18/+20
| | | | | | | | | | | | | | Switch to 'snprintf()' which is more secure and reliable. This is also a preparation to the subsequent key printing fixes. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| * UBIFS: fix debugging messagesArtem Bityutskiy2012-01-111-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch 56e46742e846e4de167dde0e1e1071ace1c882a5 broke UBIFS debugging messages: before that commit when UBIFS debugging was enabled, users saw few useful debugging messages after mount. However, that patch turned 'dbg_msg()' into 'pr_debug()', so to enable the debugging messages users have to enable them first via /sys/kernel/debug/dynamic_debug/control, which is very impractical. This commit makes 'dbg_msg()' to use 'printk()' instead of 'pr_debug()', just as it was before the breakage. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Cc: stable@kernel.org [3.0+]
| * UBIFS: make debugging messages light againArtem Bityutskiy2012-01-111-7/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We switch to dynamic debugging in commit 56e46742e846e4de167dde0e1e1071ace1c882a5 but did not take into account that now we do not control anymore whether a specific message is enabled or not. So now we lock the "dbg_lock" and release it in every debugging macro, which make them not so light-weight. This commit removes the "dbg_lock" protection from the debugging macros to fix the issue. The downside is that now our DBGKEY() stuff is broken, but this is not critical at all and will be fixed later. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Cc: stable@kernel.org [3.0+]
* | Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6Linus Torvalds2012-01-103-10/+5
|\ \ | | | | | | | | | | | | | | | | | | * 'linux-next' of git://git.infradead.org/ubifs-2.6: UBI: fix use-after-free on error path UBI: fix missing scrub when there is a bit-flip UBIFS: Use kmemdup rather than duplicating its implementation
| * | UBIFS: Use kmemdup rather than duplicating its implementationThomas Meyer2011-11-223-10/+5
| | | | | | | | | | | | | | | | | | | | | | | | The semantic patch that makes this change is available in scripts/coccinelle/api/memdup.cocci. Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
* | | vfs: switch ->show_options() to struct dentry *Al Viro2012-01-061-2/+2
| | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | | ubifs: propagate umode_tAl Viro2012-01-032-3/+3
| | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | | switch ->mknod() to umode_tAl Viro2012-01-031-1/+1
| | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | | switch ->create() to umode_tAl Viro2012-01-031-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | vfs_create() ignores everything outside of 16bit subset of its mode argument; switching it to umode_t is obviously equivalent and it's the only caller of the method Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | | switch vfs_mkdir() and ->mkdir() to umode_tAl Viro2012-01-031-2/+2
| | | | | | | | | | | | | | | | | | | | | vfs_mkdir() gets int, but immediately drops everything that might not fit into umode_t and that's the only caller of ->mkdir()... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | | vfs: fix the stupidity with i_dentry in inode destructorsAl Viro2012-01-031-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Seeing that just about every destructor got that INIT_LIST_HEAD() copied into it, there is no point whatsoever keeping this INIT_LIST_HEAD in inode_init_once(); the cost of taking it into inode_init_always() will be negligible for pipes and sockets and negative for everything else. Not to mention the removal of boilerplate code from ->destroy_inode() instances... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | | vfs: mnt_drop_write_file()Al Viro2012-01-031-1/+1
| | | | | | | | | | | | | | | | | | | | | new helper (wrapper around mnt_drop_write()) to be used in pair with mnt_want_write_file(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | | switch a bunch of places to mnt_want_write_file()Al Viro2012-01-031-1/+1
| |/ |/| | | | | | | | | it's both faster (in case when file has been opened for write) and cleaner. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | ubifs: too early register_filesystem()Al Viro2011-12-131-10/+8
|/ | | | | | doing that before you are ready to handle mount() is a Bad Idea(tm)... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6Linus Torvalds2011-11-074-2/+23
|\ | | | | | | | | | | * 'linux-next' of git://git.infradead.org/ubifs-2.6: UBIFS: fix the dark space calculation UBIFS: introduce a helper to dump scanning info
| * UBIFS: fix the dark space calculationsrimugunthan dhandapani2011-08-262-2/+2
| | | | | | | | | | | | | | | | | | The dark space calculation should be 64 bit type-casted, when assigning to tmp64 (similar to how total_free is calculated). Overflow will occur for very large flashes. Signed-off-by: srimugunthan <srimugunthan.dhandapani@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
| * UBIFS: introduce a helper to dump scanning infoArtem Bityutskiy2011-08-222-0/+21
| | | | | | | | | | | | | | This commit adds 'dbg_dump_sleb()' helper function to dump scanning information. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
* | Merge branch 'writeback-for-linus' of ↵Linus Torvalds2011-11-061-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux * 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux: writeback: Add a 'reason' to wb_writeback_work writeback: send work item to queue_io, move_expired_inodes writeback: trace event balance_dirty_pages writeback: trace event bdi_dirty_ratelimit writeback: fix ppc compile warnings on do_div(long long, unsigned long) writeback: per-bdi background threshold writeback: dirty position control - bdi reserve area writeback: control dirty pause time writeback: limit max dirty pause time writeback: IO-less balance_dirty_pages() writeback: per task dirty rate limit writeback: stabilize bdi->dirty_ratelimit writeback: dirty rate control writeback: add bg_threshold parameter to __bdi_update_bandwidth() writeback: dirty position control writeback: account per-bdi accumulated dirtied pages
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