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ea9e8b11bd
linux/fs/btrfs
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Chris Mason ea9e8b11bd Btrfs: prevent loops in the directory tree when creating snapshots 
For a directory tree:

/mnt/subvolA/subvolB

btrfsctl -s /mnt/subvolA/subvolB /mnt

Will create a directory loop with subvolA under subvolB.  This
commit uses the forward refs for each subvol and snapshot to error out
before creating the loop.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-11-17 21:14:24 -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: prevent loops in the directory tree when creating snapshots 2008-11-17 21:14:24 -05:00
dir-item.c Btrfs: add and improve comments 2008-09-29 15:18:18 -04:00
disk-io.c Btrfs: prevent loops in the directory tree when creating snapshots 2008-11-17 21:14:24 -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: Give each subvol and snapshot their own anonymous devid 2008-11-17 20:42:26 -05:00
INSTALL Btrfs: Documentation update 2007-06-22 14:49:31 -04:00
ioctl.c Btrfs: prevent loops in the directory tree when creating snapshots 2008-11-17 21:14:24 -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: prevent loops in the directory tree when creating snapshots 2008-11-17 21:14:24 -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: Give each subvol and snapshot their own anonymous devid 2008-11-17 20:42:26 -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