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Chris Mason 70b99e6959 Btrfs: Compression corner fixes 
Make sure we keep page->mapping NULL on the pages we're getting
via alloc_page.  It gets set so a few of the callbacks can do the right
thing, but in general these pages don't have a mapping.

Don't try to truncate compressed inline items in btrfs_drop_extents.
The whole compressed item must be preserved.

Don't try to create multipage inline compressed items.  When we try to
overwrite just the first page of the file, we would have to read in and recow
all the pages after it in the same compressed inline items.  For now, only
create single page inline items.

Make sure we lock pages in the correct order during delalloc.  The
search into the state tree for delalloc bytes can return bytes before
the page we already have locked.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-10-31 12:46:39 -04:00
..
acl.c Btrfs: optimize btrget/set/removexattr 2008-09-25 11:04:07 -04:00
async-thread.c Btrfs: fix multi-device code to use raid policies set by mkfs 2008-09-30 19:36:34 -04:00
async-thread.h Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
btrfs_inode.h Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
compat.h Remove Btrfs compat code for older kernels 2008-09-25 15:41:59 -04:00
compression.c Btrfs: Compression corner fixes 2008-10-31 12:46:39 -04:00
compression.h Btrfs: Add zlib compression support 2008-10-29 14:49:59 -04:00
COPYING Btrfs: add GPLv2 2007-06-12 09:07:21 -04:00
crc32c.h Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
ctree.c Btrfs: nuke fs wide allocation mutex V2 2008-10-29 14:49:05 -04:00
ctree.h Btrfs: Add fallocate support v2 2008-10-30 14:25:28 -04:00
dir-item.c Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
disk-io.c Btrfs: Add root tree pointer transaction ids 2008-10-29 14:49:05 -04:00
disk-io.h Btrfs: Add zlib compression support 2008-10-29 14:49:59 -04:00
export.c Remove Btrfs compat code for older kernels 2008-09-25 15:41:59 -04:00
export.h NFS support for btrfs - v3 2008-09-25 11:04:06 -04:00
extent-tree.c Btrfs: Add fallocate support v2 2008-10-30 14:25:28 -04:00
extent_io.c Btrfs: Compression corner fixes 2008-10-31 12:46:39 -04:00
extent_io.h Btrfs: nuke fs wide allocation mutex V2 2008-10-29 14:49:05 -04:00
extent_map.c Btrfs: Add zlib compression support 2008-10-29 14:49:59 -04:00
extent_map.h Btrfs: Add fallocate support v2 2008-10-30 14:25:28 -04:00
file-item.c Btrfs: Add zlib compression support 2008-10-29 14:49:59 -04:00
file.c Btrfs: Compression corner fixes 2008-10-31 12:46:39 -04:00
free-space-cache.c Btrfs: nuke fs wide allocation mutex V2 2008-10-29 14:49:05 -04:00
hash.h Switch btrfs_name_hash() to crc32c 2008-09-25 11:04:06 -04:00
inode-item.c Btrfs: Implement new dir index format 2008-09-25 11:04:05 -04:00
inode-map.c Btrfs: extent_map and data=ordered fixes for space balancing 2008-09-26 10:05:38 -04:00
inode.c Btrfs: Compression corner fixes 2008-10-31 12:46:39 -04:00
INSTALL Btrfs: Documentation update 2007-06-22 14:49:31 -04:00
ioctl.c Btrfs: Add fallocate support v2 2008-10-30 14:25:28 -04:00
ioctl.h Btrfs: transaction ioctls 2008-09-25 11:04:03 -04:00
locking.c Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
locking.h btrfs_search_slot: reduce lock contention by cowing in two stages 2008-09-25 11:04:06 -04:00
Makefile Btrfs: Add zlib compression support 2008-10-29 14:49:59 -04:00
ordered-data.c Btrfs: Add fallocate support v2 2008-10-30 14:25:28 -04:00
ordered-data.h Btrfs: Add fallocate support v2 2008-10-30 14:25:28 -04:00
orphan.c Btrfs: Create orphan inode records to prevent lost files after a crash 2008-09-25 11:04:05 -04:00
print-tree.c Btrfs: Add zlib compression support 2008-10-29 14:49:59 -04:00
print-tree.h Btrfs: Create extent_buffer interface for large blocksizes 2008-09-25 11:03:56 -04:00
ref-cache.c Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
ref-cache.h Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
root-tree.c Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
struct-funcs.c Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
super.c Btrfs: Add zlib compression support 2008-10-29 14:49:59 -04:00
sysfs.c Remove Btrfs compat code for older kernels 2008-09-25 15:41:59 -04:00
transaction.c Btrfs: update nodatacow code v2 2008-10-30 14:20:02 -04:00
transaction.h Btrfs: Record dirty pages tree-log pages in an extent_io tree 2008-09-25 11:04:07 -04:00
tree-defrag.c Btrfs: nuke fs wide allocation mutex V2 2008-10-29 14:49:05 -04:00
tree-log.c Btrfs: Add fallocate support v2 2008-10-30 14:25:28 -04:00
tree-log.h Btrfs: Add a write ahead tree log to optimize synchronous operations 2008-09-25 11:04:07 -04:00
version.h Update Btrfs files for in-kernel usage 2008-09-25 15:41:59 -04:00
version.sh Btrfs: Update version.sh to v0.16 2008-09-25 11:04:06 -04:00
volumes.c Btrfs: nuke fs wide allocation mutex V2 2008-10-29 14:49:05 -04:00
volumes.h Btrfs: Fix the multi-bio code to save the original bio for completion 2008-09-25 11:04:06 -04:00
xattr.c Btrfs: optimize btrget/set/removexattr 2008-09-25 11:04:07 -04:00
xattr.h Btrfs: optimize btrget/set/removexattr 2008-09-25 11:04:07 -04:00
zlib.c Btrfs: Add zlib compression support 2008-10-29 14:49:59 -04:00