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alistair23-linux/fs/btrfs
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Li Dongyang 5378e60734 Btrfs: adjust btrfs_discard_extent() return errors and trimmed bytes 
Callers of btrfs_discard_extent() should check if we are mounted with -o discard,
as we want to make fitrim to work even the fs is not mounted with -o discard.
Also we should use REQ_DISCARD to map the free extent to get a full mapping,
last we only return errors if
1. the error is not a EOPNOTSUPP
2. no device supports discard

Signed-off-by: Li Dongyang <lidongyang@novell.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-03-28 05:37:46 -04:00
..
acl.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable 2011-02-07 14:06:18 -08:00
async-thread.c
async-thread.h
btrfs_inode.h Btrfs: change reserved_extents to an atomic_t 2011-03-17 14:21:18 -04:00
compat.h
compression.c btrfs: Drop __exit attribute on btrfs_exit_compress 2011-02-06 07:19:19 -05:00
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 Btrfs: adjust btrfs_discard_extent() return errors and trimmed bytes 2011-03-28 05:37:46 -04:00
delayed-ref.c Btrfs: add initial tracepoint support for btrfs 2011-03-28 05:37:33 -04:00
delayed-ref.h
dir-item.c Btrfs: add checks to verify dir items are correct 2011-03-17 14:21:41 -04:00
disk-io.c Btrfs: adjust btrfs_discard_extent() return errors and trimmed bytes 2011-03-28 05:37:46 -04:00
disk-io.h Btrfs: forced readonly mounts on errors 2011-01-17 15:13:08 -05:00
export.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable 2011-02-07 14:06:18 -08:00
export.h
extent-tree.c Btrfs: adjust btrfs_discard_extent() return errors and trimmed bytes 2011-03-28 05:37:46 -04:00
extent_io.c Btrfs: add initial tracepoint support for btrfs 2011-03-28 05:37:33 -04:00
extent_io.h Btrfs: check items for correctness as we search 2011-03-17 14:21:37 -04:00
extent_map.c Btrfs: check return value of alloc_extent_map() 2011-02-14 16:21:37 -05:00
extent_map.h btrfs: Allow to add new compression algorithm 2010-12-22 23:15:45 +08:00
file-item.c Btrfs: cleanup some BUG_ON() 2011-03-28 05:37:35 -04:00
file.c Btrfs: add initial tracepoint support for btrfs 2011-03-28 05:37:33 -04:00
free-space-cache.c Btrfs: cleanup how we setup free space clusters 2011-03-25 19:08:08 -04:00
free-space-cache.h
hash.h
inode-item.c
inode-map.c Btrfs: cleanup some BUG_ON() 2011-03-28 05:37:35 -04:00
inode.c btrfs: return EXDEV when linking from different subvolumes 2011-03-28 05:37:42 -04:00
ioctl.c Btrfs: Per file/directory controls for COW and compression 2011-03-28 05:37:41 -04:00
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
locking.h
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
ref-cache.h
relocation.c Btrfs: check return value of read_tree_block() 2011-03-28 05:37:37 -04:00
root-tree.c Btrfs: cleanup some BUG_ON() 2011-03-28 05:37:35 -04:00
struct-funcs.c
super.c Btrfs: add initial tracepoint support for btrfs 2011-03-28 05:37:33 -04:00
sysfs.c
transaction.c Btrfs: cleanup some BUG_ON() 2011-03-28 05:37:35 -04:00
transaction.h Btrfs: Add readonly snapshots support 2010-12-23 08:49:17 +08:00
tree-defrag.c Btrfs: cleanup warnings from gcc 4.6 (nonbugs) 2010-10-29 15:14:37 -04:00
tree-log.c Btrfs: cleanup some BUG_ON() 2011-03-28 05:37:35 -04:00
tree-log.h
version.h
version.sh
volumes.c 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
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 Btrfs: add checks to verify dir items are correct 2011-03-17 14:21:41 -04:00
xattr.h
zlib.c btrfs: Extract duplicate decompress code 2010-12-22 23:15:50 +08:00