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90a887c9a2
linux/fs/btrfs
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Dan Magenheimer 90a887c9a2 btrfs: add cleancache support 
This sixth patch of eight in this cleancache series "opts-in"
cleancache for btrfs.  Filesystems must explicitly enable
cleancache by calling cleancache_init_fs anytime an instance
of the filesystem is mounted.  Btrfs uses its own readpage
which must be hooked, but all other cleancache hooks are in
the VFS layer including the matching cleancache_flush_fs hook
which must be called on unmount.

Details and a FAQ can be found in Documentation/vm/cleancache.txt

[v6-v8: no changes]
[v5: jeremy@goop.org: simplify init hook and any future fs init changes]
Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Reviewed-by: Jeremy Fitzhardinge <jeremy@goop.org>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Nick Piggin <npiggin@kernel.dk>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Rik Van Riel <riel@redhat.com>
Cc: Jan Beulich <JBeulich@novell.com>
Cc: Andreas Dilger <adilger@sun.com>
Cc: Ted Ts'o <tytso@mit.edu>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <joel.becker@oracle.com>
Cc: Nitin Gupta <ngupta@vflare.org>
2011-05-26 10:01:56 -06:00
..
acl.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable 2011-05-15 10:22:10 -07:00
async-thread.c Btrfs: don't walk around with task->state != TASK_RUNNING 2010-05-25 10:34:58 -04:00
async-thread.h Btrfs: fix deadlock on async thread startup 2009-10-05 09:44:45 -04:00
btrfs_inode.h Btrfs: change reserved_extents to an atomic_t 2011-03-17 14:21:18 -04:00
compat.h Btrfs: drop remaining LINUX_KERNEL_VERSION checks and compat code 2009-01-06 09:38:55 -05:00
compression.c Btrfs: check return value of btrfs_alloc_path() 2011-03-28 05:37:54 -04:00
compression.h btrfs: Extract duplicate decompress code 2010-12-22 23:15:50 +08:00
ctree.c Btrfs: check return value of read_tree_block() 2011-03-28 05:37:37 -04:00
ctree.h Revert wrong fixes for common misspellings 2011-04-26 23:31:11 -07:00
delayed-ref.c Btrfs: add initial tracepoint support for btrfs 2011-03-28 05:37:33 -04:00
delayed-ref.h Btrfs: Integrate metadata reservation with start_transaction 2010-05-25 10:34:50 -04:00
dir-item.c Btrfs: check return value of btrfs_alloc_path() 2011-03-28 05:37:54 -04:00
disk-io.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable 2011-04-26 08:26:58 -07:00
disk-io.h Btrfs: forced readonly mounts on errors 2011-01-17 15:13:08 -05:00
export.c exportfs: Return the minimum required handle size 2011-03-14 09:15:28 -04:00
export.h
extent_io.c btrfs: add cleancache support 2011-05-26 10:01:56 -06:00
extent_io.h btrfs: using cached extent_state in set/unlock combinations 2011-04-11 20:45:36 -04:00
extent_map.c Fix common misspellings 2011-03-31 11:26:23 -03:00
extent_map.h btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
extent-tree.c Btrfs: fix easily get into ENOSPC in mixed case 2011-05-14 16:10:26 -04:00
file-item.c Btrfs: check return value of btrfs_alloc_path() 2011-03-28 05:37:54 -04:00
file.c Btrfs: deal with the case that we run out of space in the cache 2011-04-08 13:00:27 -04:00
free-space-cache.c Btrfs: free bitmaps properly when evicting the cache 2011-04-25 19:43:52 -04:00
free-space-cache.h Btrfs: add btrfs_trim_fs() to handle FITRIM 2011-03-28 05:37:47 -04:00
hash.h Btrfs: remove crc32c.h and use libcrc32c directly. 2009-06-10 11:29:53 -04:00
inode-item.c Btrfs: Integrate metadata reservation with start_transaction 2010-05-25 10:34:50 -04:00
inode-map.c Btrfs: cleanup some BUG_ON() 2011-03-28 05:37:35 -04:00
inode.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable 2011-04-26 08:26:58 -07:00
ioctl.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable 2011-05-15 10:22:10 -07:00
ioctl.h Merge branch 'lzo-support' of git://repo.or.cz/linux-btrfs-devel into btrfs-38 2011-01-16 11:25:54 -05:00
Kconfig btrfs: Add lzo compression support 2010-12-22 23:15:47 +08:00
locking.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
locking.h Btrfs: fix spinlock assertions on UP systems 2009-03-09 11:45:38 -04:00
lzo.c Btrfs: Avoid accessing unmapped kernel address 2011-02-16 15:37:58 -05:00
Makefile btrfs: Add lzo compression support 2010-12-22 23:15:47 +08:00
ordered-data.c Btrfs: add initial tracepoint support for btrfs 2011-03-28 05:37:33 -04:00
ordered-data.h btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
orphan.c Btrfs: fixup return code for btrfs_del_orphan_item 2010-12-09 13:57:15 -05:00
print-tree.c btrfs: fix missing break in switch phrase 2011-01-28 16:40:37 -05:00
print-tree.h
ref-cache.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ref-cache.h Btrfs: use RB_ROOT to intialize rb_trees instead of setting rb_node to NULL 2010-03-08 16:26:50 -05:00
relocation.c Fix common misspellings 2011-03-31 11:26:23 -03:00
root-tree.c Btrfs: Fix uninitialized root flags for subvolumes 2011-04-05 01:20:24 -04:00
struct-funcs.c Btrfs: Fix checkpatch.pl warnings 2009-01-05 21:25:51 -05:00
super.c btrfs: add cleancache support 2011-05-26 10:01:56 -06:00
sysfs.c Driver core: Constify struct sysfs_ops in struct kobj_type 2010-03-07 17:04:49 -08:00
transaction.c Btrfs: avoid taking the trans_mutex in btrfs_end_transaction 2011-04-11 20:43:52 -04:00
transaction.h Btrfs: avoid taking the trans_mutex in btrfs_end_transaction 2011-04-11 20:43:52 -04:00
tree-defrag.c Btrfs: cleanup warnings from gcc 4.6 (nonbugs) 2010-10-29 15:14:37 -04:00
tree-log.c Btrfs: fix missing mutex_unlock in btrfs_del_dir_entries_in_log() 2011-04-25 19:43:51 -04:00
tree-log.h Btrfs: Metadata ENOSPC handling for tree log 2010-05-25 10:34:53 -04:00
version.h Update Btrfs files for in-kernel usage 2008-09-25 15:41:59 -04:00
version.sh Btrfs: Fixes for 2.6.28-rc API changes 2008-11-19 21:17:22 -05:00
volumes.c Btrfs: do some plugging in the submit_bio threads 2011-04-19 20:12:40 -04:00
volumes.h Btrfs: make btrfs_map_block() return entire free extent for each device of RAID0/1/10/DUP 2011-03-28 05:37:45 -04:00
xattr.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable 2011-04-18 12:24:05 -07:00
xattr.h fs/vfs/security: pass last path component to LSM on inode creation 2011-02-01 11:12:29 -05:00
zlib.c zlib: slim down zlib_deflate() workspace when possible 2011-03-22 17:44:17 -07:00