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0660b5af3f
linux/fs/btrfs
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Chris Mason 0660b5af3f Btrfs: Add backrefs and forward refs for subvols and snapshots 
Subvols and snapshots can now be referenced from any point in the directory
tree.  We need to maintain back refs for them so we can find lost
subvols.

Forward refs are added so that we know all of the subvols and
snapshots referenced anywhere in the directory tree of a single subvol.  This
can be used to do recursive snapshotting (but they aren't yet) and it is
also used to detect and prevent directory loops when creating new snapshots.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-11-17 20:37:39 -05:00
..
acl.c Btrfs: optimize btrget/set/removexattr 2008-09-25 11:04:07 -04:00
async-thread.c Btrfs: Check kthread_should_stop() before schedule() in worker_loop 2008-11-12 14:36:58 -05:00
async-thread.h Btrfs: Add ordered async work queues 2008-11-06 22:03:00 -05:00
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: Fix compile warnings on 32 bit machines 2008-11-11 09:34:41 -05:00
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: Seed device support 2008-11-17 21:11:30 -05:00
ctree.h Btrfs: Add backrefs and forward refs for subvols and snapshots 2008-11-17 20:37:39 -05:00
dir-item.c Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
disk-io.c Btrfs: Allow subvolumes and snapshots anywhere in the directory tree 2008-11-17 21:02:50 -05:00
disk-io.h Btrfs: mount ro and remount support 2008-11-12 14:34:12 -05:00
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_io.c Btrfs: Fix compile warnings on 32 bit machines 2008-11-11 09:34:41 -05:00
extent_io.h Btrfs: Optimize compressed writeback and reads 2008-11-06 22:02:51 -05:00
extent_map.c Btrfs: Add zlib compression support 2008-10-29 14:49:59 -04:00
extent_map.h Btrfs: Fix csum error for compressed data 2008-11-10 07:34:43 -05:00
extent-tree.c Btrfs: Add some debugging around the ENOSPC bugs 2008-11-17 21:12:00 -05:00
file-item.c Btrfs: Use invalidatepage when writepage finds a page outside of i_size 2008-11-10 11:50:50 -05:00
file.c Btrfs: Fix race in btrfs_mark_extent_written 2008-11-12 14:19:50 -05:00
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: Add backrefs and forward refs for subvols and snapshots 2008-11-17 20:37:39 -05:00
INSTALL Btrfs: Documentation update 2007-06-22 14:49:31 -04:00
ioctl.c Btrfs: Add backrefs and forward refs for subvols and snapshots 2008-11-17 20:37:39 -05:00
ioctl.h Btrfs: Allow subvolumes and snapshots anywhere in the directory tree 2008-11-17 21:02:50 -05:00
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: Optimize compressed writeback and reads 2008-11-06 22:02:51 -05:00
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 backrefs and forward refs for subvols and snapshots 2008-11-17 20:37:39 -05:00
struct-funcs.c Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
super.c Btrfs: Allow subvolumes and snapshots anywhere in the directory tree 2008-11-17 21:02:50 -05:00
sysfs.c Remove Btrfs compat code for older kernels 2008-09-25 15:41:59 -04:00
transaction.c Btrfs: Add backrefs and forward refs for subvols and snapshots 2008-11-17 20:37:39 -05:00
transaction.h Btrfs: Allow subvolumes and snapshots anywhere in the directory tree 2008-11-17 21:02:50 -05:00
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: Add a missing return pointer check 2008-11-12 14:38:54 -05:00
volumes.h Btrfs: Seed device support 2008-11-17 21:11:30 -05:00
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: Fix compile warnings on 32 bit machines 2008-11-11 09:34:41 -05:00