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f77dd0d6b2
linux/fs/btrfs
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David Sterba f77dd0d6b2 btrfs: preallocate compression workspaces 
Preallocate one workspace for each compression type so we can guarantee
forward progress in the worst case. A failure cannot be a hard error as
we might not use compression at all on the filesystem. If we can't
allocate the workspaces later when need them, it might actually
deadlock, but in such situation the system has effectively not enough
memory to operate properly.

Signed-off-by: David Sterba <dsterba@suse.com>
2016-05-10 09:46:11 +02:00
..
tests mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage 2016-04-04 10:41:08 -07:00
acl.c Merge branch 'for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2016-01-18 12:44:40 -08:00
async-thread.c btrfs: async-thread: Fix a use-after-free error for trace 2016-01-25 16:50:26 -08:00
async-thread.h btrfs: async_thread: Fix workqueue 'max_active' value when initializing 2015-08-31 11:46:40 -07:00
backref.c Merge branch 'cleanups-4.6' into for-chris-4.6 2016-02-26 15:38:33 +01:00
backref.h
btrfs_inode.h btrfs: put delayed item hook into inode 2016-01-07 14:26:58 +01:00
check-integrity.c mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage 2016-04-04 10:41:08 -07:00
check-integrity.h
compression.c btrfs: preallocate compression workspaces 2016-05-10 09:46:11 +02:00
compression.h btrfs: move btrfs_compression_type to compression.h 2016-03-11 17:12:46 +01:00
ctree.c btrfs: fallback to vmalloc in btrfs_compare_tree 2016-04-04 16:29:22 +02:00
ctree.h btrfs: bugfix: handle FS_IOC32_{GETFLAGS,SETFLAGS,GETVERSION} in btrfs_ioctl 2016-04-28 10:40:27 +02:00
delayed-inode.c btrfs: Print Warning only if ENOSPC_DEBUG is enabled 2016-03-14 14:59:54 +01:00
delayed-inode.h btrfs: properly set the termination value of ctx->pos in readdir 2016-02-11 07:01:59 -08:00
delayed-ref.c btrfs: drop null testing before destroy functions 2016-02-18 11:46:03 +01:00
delayed-ref.h btrfs: better packing of btrfs_delayed_extent_op 2016-01-07 14:26:58 +01:00
dev-replace.c btrfs: Reset IO error counters before start of device replacing 2016-04-04 16:29:22 +02:00
dev-replace.h Btrfs: fix lockdep deadlock warning due to dev_replace 2016-02-23 13:10:10 +01:00
dir-item.c
disk-io.c btrfs: don't force mounts to wait for cleaner_kthread to delete one or more subvolumes 2016-05-06 15:22:49 +02:00
disk-io.h Merge branch 'misc-cleanups-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.5 2016-01-11 06:08:37 -08:00
export.c BTRFS: support NFSv2 export 2015-10-06 06:55:23 -07:00
export.h
extent_io.c Btrfs: cleanup error handling in extent_write_cached_pages 2016-04-28 10:41:47 +02:00
extent_io.h mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
extent_map.c btrfs: Fix misspellings in comments. 2016-03-14 15:05:02 +01:00
extent_map.h btrfs: cleanup, stop casting for extent_map->lookup everywhere 2016-01-15 19:22:28 +01:00
extent-tree.c btrfs: fix int32 overflow in shrink_delalloc(). 2016-05-09 11:51:19 +02:00
file-item.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
file.c Btrfs: __btrfs_buffered_write: Pass valid file offset when releasing delalloc space 2016-04-28 10:41:47 +02:00
free-space-cache.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
free-space-cache.h btrfs: constify remaining structs with function pointers 2016-01-07 15:01:14 +01:00
free-space-tree.c Revert "btrfs: synchronize incompat feature bits with sysfs files" 2016-01-29 08:19:37 -08:00
free-space-tree.h Btrfs: implement the free space B-tree 2015-12-17 12:16:47 -08:00
hash.c
hash.h
inode-item.c Btrfs: consolidate btrfs_error() to btrfs_std_error() 2015-09-29 16:30:00 +02:00
inode-map.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
inode-map.h Btrfs: Initialize btrfs_root->highest_objectid when loading tree root and subvolume roots 2016-01-15 19:25:02 +01:00
inode.c btrfs: bugfix: handle FS_IOC32_{GETFLAGS,SETFLAGS,GETVERSION} in btrfs_ioctl 2016-04-28 10:40:27 +02:00
ioctl.c btrfs: ioctl: reorder exclusive op check in RM_DEV 2016-05-06 15:22:49 +02:00
Kconfig
locking.c btrfs: cleanup, remove stray return statements 2016-01-07 14:30:52 +01:00
locking.h
lzo.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
Makefile Btrfs: add free space tree sanity tests 2015-12-17 12:16:47 -08:00
math.h
ordered-data.c btrfs: Fix misspellings in comments. 2016-03-14 15:05:02 +01:00
ordered-data.h Btrfs: change how we wait for pending ordered extents 2015-10-21 18:51:40 -07:00
orphan.c
print-tree.c btrfs: teach print_leaf about temporary item subtypes 2016-02-11 16:15:43 +01:00
print-tree.h
props.c btrfs: move btrfs_compression_type to compression.h 2016-03-11 17:12:46 +01:00
props.h
qgroup.c btrfs: Add qgroup tracing 2016-04-04 16:29:22 +02:00
qgroup.h btrfs: qgroup: Check if qgroup reserved space leaked 2015-10-21 18:41:10 -07:00
raid56.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
raid56.h Btrfs: add RAID 5/6 BTRFS_RBIO_REBUILD_MISSING operation 2015-08-09 07:34:26 -07:00
rcu-string.h
reada.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
relocation.c Merge branch 'for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2016-04-09 10:41:34 -07:00
root-tree.c Merge branch 'for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2016-03-21 18:12:42 -07:00
scrub.c btrfs: Fix BUG_ON condition in scrub_setup_recheck_block() 2016-05-06 15:22:49 +02:00
send.c btrfs: send: use vmalloc only as fallback for clone_sources_tmp 2016-05-06 15:22:49 +02:00
send.h Btrfs: use linux/sizes.h to represent constants 2016-01-07 14:38:02 +01:00
struct-funcs.c mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage 2016-04-04 10:41:08 -07:00
super.c btrfs: avoid overflowing f_bfree 2016-05-06 15:22:49 +02:00
sysfs.c btrfs: sysfs: protect reading label by lock 2016-05-06 15:22:49 +02:00
sysfs.h btrfs: sysfs: introduce helper for syncing bits with sysfs files 2016-01-21 18:50:40 +01:00
transaction.c Merge branch 'cleanups-4.6' into for-chris-4.6 2016-02-26 15:38:33 +01:00
transaction.h btrfs: preallocate path for snapshot creation at ioctl time 2016-01-07 15:20:55 +01:00
tree-defrag.c Btrfs: fix locking bugs when defragging leaves 2015-12-18 02:51:32 +00:00
tree-log.c Btrfs: fix file/data loss caused by fsync after rename and new inode 2016-04-06 17:01:44 -07:00
tree-log.h Btrfs: fix unreplayable log after snapshot delete + parent dir fsync 2016-03-01 08:23:25 -08:00
ulist.c btrfs: ulist: Add ulist_del() function. 2015-06-10 09:26:17 -07:00
ulist.h btrfs: ulist: Add ulist_del() function. 2015-06-10 09:26:17 -07:00
uuid-tree.c
volumes.c btrfs: fix lock dep warning move scratch super outside of chunk_mutex 2016-05-06 15:22:49 +02:00
volumes.h Btrfs: fix divide error upon chunk's stripe_len 2016-05-06 15:22:49 +02:00
xattr.c Btrfs: fix listxattrs not listing all xattrs packed in the same item 2016-03-01 08:23:41 -08:00
xattr.h btrfs: Use xattr handler infrastructure 2015-12-06 21:34:14 -05:00
zlib.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00