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linux-sg2042/fs/btrfs
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Josef Bacik 5a24e84c55 Btrfs: fix enospc problems when deleting a subvol 
Subvol delete is a special kind of awful where we use the global reserve to
cover the ENOSPC requirements.  The problem is once we're done removing
everything we do a btrfs_update_inode(), which by default will try to do the
delayed update stuff which will use it's own reserve.  There will be no
space in this reserve and we'll return ENOSPC.  So instead use
btrfs_update_inode_fallback() which will just fallback to updating the inode
item in the case of enospc.  This is fine because the global reserve covers
the space requirements for this.  With this patch I can now delete a subvol
on a problem image Dave Sterba sent me.  Thanks,

Reported-by: David Sterba <dave@jikos.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
 		2012-08-28 16:53:37 -04:00
..
Kconfig Btrfs: add config option to enable btrfs integrity check 2011-12-21 19:14:16 +01:00
Makefile Merge branch 'send-v2' of git://github.com/ablock84/linux-btrfs into for-linus 2012-07-25 19:19:10 -04:00
acl.c Btrfs: cache no acl on new inodes 2012-05-30 10:23:27 -04:00
async-thread.c Btrfs: call the ordered free operation without any locks held 2012-07-25 16:15:07 -04:00
async-thread.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
backref.c Btrfs: fix that error value is changed by mistake 2012-08-28 16:53:28 -04:00
backref.h Merge branch 'send-v2' of git://github.com/ablock84/linux-btrfs into for-linus 2012-07-25 19:19:10 -04:00
btrfs_inode.h Btrfs: kill free_space pointer from inode structure 2012-07-23 16:28:05 -04:00
check-integrity.c Btrfs: introduce subvol uuids and times 2012-07-25 23:28:38 +02:00
check-integrity.h Btrfs: add optional integrity check code 2011-12-21 19:14:09 +01:00
compat.h Btrfs: drop remaining LINUX_KERNEL_VERSION checks and compat code 2009-01-06 09:38:55 -05:00
compression.c Btrfs: barrier before waitqueue_active 2012-08-28 16:53:33 -04:00
compression.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
ctree.c Btrfs: don't run __tree_mod_log_free_eb on leaves 2012-08-28 16:53:34 -04:00
ctree.h Btrfs: fix deadlock in wait_for_more_refs 2012-08-28 16:53:32 -04:00
delayed-inode.c Btrfs: barrier before waitqueue_active 2012-08-28 16:53:33 -04:00
delayed-inode.h Btrfs: flush delayed inodes if we're short on space 2012-07-23 15:41:40 -04:00
delayed-ref.c Btrfs: fix deadlock in wait_for_more_refs 2012-08-28 16:53:32 -04:00
delayed-ref.h Btrfs: hooks for qgroup to record delayed refs 2012-07-12 10:54:38 +02:00
dir-item.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
disk-io.c Btrfs: barrier before waitqueue_active 2012-08-28 16:53:33 -04:00
disk-io.h Btrfs: added helper to create new trees 2012-07-10 15:14:43 +02:00
export.c ->encode_fh() API change 2012-05-29 23:28:33 -04:00
export.h NFS support for btrfs - v3 2008-09-25 11:04:06 -04:00
extent-tree.c Btrfs: fix race in run_clustered_refs 2012-08-28 16:53:35 -04:00
extent_io.c Btrfs: improve multi-thread buffer read 2012-07-23 16:28:10 -04:00
extent_io.h Merge branch 'for-chris' of git://git.jan-o-sch.net/btrfs-unstable into for-linus 2012-05-31 16:49:53 -04:00
extent_map.c Btrfs: clean up code for merging extent maps 2011-08-01 14:30:50 -04:00
extent_map.h btrfs: fix structs where bitfields and spinlock/atomic share 8B word 2012-02-15 16:40:25 +01:00
file-item.c Btrfs: don't allocate a seperate csums array for direct reads 2012-08-28 16:53:30 -04:00
file.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2012-07-05 13:06:25 -07:00
free-space-cache.c Btrfs: do not count in readonly bytes 2012-07-23 16:28:03 -04:00
free-space-cache.h btrfs: remove all unused functions 2011-05-06 12:34:03 +02:00
hash.h Btrfs: remove crc32c.h and use libcrc32c directly. 2009-06-10 11:29:53 -04:00
inode-item.c Merge branch 'error-handling' into for-linus 2012-03-28 20:31:37 -04:00
inode-map.c Btrfs: show useful info in space reservation tracepoint 2012-03-29 09:57:44 -04:00
inode-map.h Btrfs: Support reading/writing on disk free ino cache 2011-04-25 16:46:11 +08:00
inode.c Btrfs: fix enospc problems when deleting a subvol 2012-08-28 16:53:37 -04:00
ioctl.c Btrfs: fix some endian bugs handling the root times 2012-08-28 16:53:26 -04:00
ioctl.h Merge branch 'send-v2' of git://github.com/ablock84/linux-btrfs into for-linus 2012-07-25 19:19:10 -04:00
locking.c Btrfs: fix a misplaced address operator in a condition 2012-08-28 16:53:23 -04:00
locking.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
lzo.c btrfs: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:21 +08:00
ordered-data.c Btrfs: call filemap_fdatawrite twice for compression 2012-06-14 21:30:54 -04:00
ordered-data.h Btrfs: finish ordered extents in their own thread 2012-05-30 10:23:33 -04:00
orphan.c btrfs: replace many BUG_ONs with proper error handling 2012-03-22 11:52:54 +01:00
print-tree.c Btrfs: read device stats on mount, write modified ones during commit 2012-05-30 10:23:41 -04:00
print-tree.h Btrfs: Create extent_buffer interface for large blocksizes 2008-09-25 11:03:56 -04:00
qgroup.c Btrfs: checking for NULL instead of IS_ERR 2012-08-28 16:53:25 -04:00
rcu-string.h Btrfs: use rcu to protect device->name 2012-06-14 21:29:16 -04:00
reada.c Btrfs: set ioprio of scrub readahead to idle 2012-05-30 10:23:43 -04:00
relocation.c Btrfs: fix error handling in __add_reloc_root() 2012-07-23 16:27:53 -04:00
root-tree.c Btrfs: fix some endian bugs handling the root times 2012-08-28 16:53:26 -04:00
scrub.c Btrfs: use rcu to protect device->name 2012-06-14 21:29:16 -04:00
send.c Btrfs: uninit variable fixes in send/receive 2012-07-25 19:21:10 -04:00
send.h Btrfs: introduce BTRFS_IOC_SEND for btrfs send/receive 2012-07-25 23:30:19 +02:00
struct-funcs.c Btrfs: rewrite BTRFS_SETGET_FUNCS 2012-07-23 16:28:06 -04:00
super.c Btrfs: do not use missing devices when showing devname 2012-08-28 16:53:29 -04:00
sysfs.c btrfs: Remove unused sysfs code 2011-06-17 14:54:18 -04:00
transaction.c Btrfs: fix wrong mtime and ctime when creating snapshots 2012-08-28 16:53:36 -04:00
transaction.h Merge branch 'qgroup' of git://git.jan-o-sch.net/btrfs-unstable into for-linus 2012-07-25 16:11:38 -04:00
tree-defrag.c btrfs: drop unused parameter from btrfs_release_path 2011-05-02 13:57:22 +02:00
tree-log.c Btrfs: return error of btrfs_update_inode() to caller 2012-07-23 16:27:54 -04:00
tree-log.h btrfs: return void in functions without error conditions 2012-03-22 01:45:34 +01:00
ulist.c Merge branch 'for-chris' of git://git.jan-o-sch.net/btrfs-unstable into for-linus 2012-05-31 16:49:53 -04:00
ulist.h Merge branch 'for-chris' of git://git.jan-o-sch.net/btrfs-unstable into for-linus 2012-05-31 16:49:53 -04:00
version.h Update Btrfs files for in-kernel usage 2008-09-25 15:41:59 -04:00
volumes.c Btrfs: barrier before waitqueue_active 2012-08-28 16:53:33 -04:00
volumes.h Btrfs: add DEVICE_READY ioctl 2012-07-23 16:27:42 -04:00
xattr.c Btrfs: use i_version instead of our own sequence 2012-05-30 10:23:27 -04:00
xattr.h fs/vfs/security: pass last path component to LSM on inode creation 2011-02-01 11:12:29 -05:00
zlib.c btrfs: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:21 +08:00