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linux/fs/btrfs
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David Sterba b0c0ea6338 btrfs: allocate root item at snapshot ioctl time 
The actual snapshot creation is delayed until transaction commit. If we
cannot get enough memory for the root item there, we have to fail the
whole transaction commit which is bad. So we'll allocate the memory at
the ioctl call and pass it along with the pending_snapshot struct. The
potential ENOMEM will be returned to the caller of snapshot ioctl.

Signed-off-by: David Sterba <dsterba@suse.com>
2016-01-07 15:20:54 +01:00
..
tests
btrfs: constify remaining structs with function pointers
2016-01-07 15:01:14 +01:00
acl.c
btrfs: remove useless ACL check
2014-06-09 17:20:42 -07:00
async-thread.c
btrfs: async_thread: Fix workqueue 'max_active' value when initializing
2015-08-31 11:46:40 -07:00
async-thread.h
btrfs: async_thread: Fix workqueue 'max_active' value when initializing
2015-08-31 11:46:40 -07:00
backref.c
Btrfs: use btrfs_get_fs_root in resolve_indirect_ref
2015-11-25 05:22:08 -08:00
backref.h
btrfs: cleanup, remove inode_item_info helper
2015-01-14 19:23:47 +01:00
btrfs_inode.h
btrfs: put delayed item hook into inode
2016-01-07 14:26:58 +01:00
check-integrity.c
Merge branch 'cleanups/for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.4
2015-10-21 18:21:40 -07:00
check-integrity.h
block: submit_bio_wait() conversions
2013-11-24 16:33:41 -07:00
compression.c
Merge branch 'akpm' (patches from Andrew)
2015-11-07 14:32:45 -08:00
compression.h
btrfs: constify structs with op functions or static definitions
2015-02-16 18:48:44 +01:00
ctree.c
btrfs: cleanup, use enum values for btrfs_path reada
2016-01-07 15:01:15 +01:00
ctree.h
btrfs: use smaller type for btrfs_path locks
2016-01-07 15:01:17 +01:00
delayed-inode.c
btrfs: comment the rest of implicit barriers before waitqueue_active
2015-10-10 18:42:00 +02:00
delayed-inode.h
Btrfs: introduce the delayed inode ref deletion for the single link inode
2014-01-28 13:20:09 -08:00
delayed-ref.c
btrfs: better packing of btrfs_delayed_extent_op
2016-01-07 14:26:58 +01:00
delayed-ref.h
btrfs: better packing of btrfs_delayed_extent_op
2016-01-07 14:26:58 +01:00
dev-replace.c
Merge branch 'fix/waitqueue-barriers' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.4
2015-10-12 16:24:40 -07:00
dev-replace.h
Btrfs: add new sources for device replace code
2012-12-12 17:15:41 -05:00
dir-item.c
Btrfs: make xattr replace operations atomic
2014-11-20 17:20:07 -08:00
disk-io.c
Btrfs: add missing brelse when superblock checksum fails
2016-01-07 14:26:53 +01:00
disk-io.h
Btrfs: add btrfs_read_dev_one_super() to read one specific SB
2015-10-01 17:29:38 +02:00
export.c
BTRFS: support NFSv2 export
2015-10-06 06:55:23 -07:00
export.h
…
extent_io.c
Merge branch 'akpm' (patches from Andrew)
2015-11-07 14:32:45 -08:00
extent_io.h
btrfs: qgroup: Introduce btrfs_qgroup_reserve_data function
2015-10-21 18:37:45 -07:00
extent_map.c
Btrfs: do not move em to modified list when unpinning
2014-11-21 11:59:54 -08:00
extent_map.h
Btrfs: fix NULL pointer crash when running balance and scrub concurrently
2014-06-19 14:20:55 -07:00
extent-tree.c
btrfs: cleanup, use enum values for btrfs_path reada
2016-01-07 15:01:15 +01:00
file-item.c
btrfs: cleanup, use enum values for btrfs_path reada
2016-01-07 15:01:15 +01:00
file.c
Merge branch 'for-linus-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2015-12-18 15:35:08 -08:00
free-space-cache.c
btrfs: constify remaining structs with function pointers
2016-01-07 15:01:14 +01:00
free-space-cache.h
btrfs: constify remaining structs with function pointers
2016-01-07 15:01:14 +01:00
hash.c
btrfs: LLVMLinux: Remove VLAIS
2014-10-14 10:51:22 +02:00
hash.h
Btrfs: fix btrfs boot when compiled as built-in
2014-01-28 13:20:31 -08:00
inode-item.c
Btrfs: consolidate btrfs_error() to btrfs_std_error()
2015-09-29 16:30:00 +02:00
inode-map.c
btrfs: cleanup, use enum values for btrfs_path reada
2016-01-07 15:01:15 +01:00
inode-map.h
Btrfs: Support reading/writing on disk free ino cache
2011-04-25 16:46:11 +08:00
inode.c
btrfs: cleanup, use enum values for btrfs_path reada
2016-01-07 15:01:15 +01:00
ioctl.c
btrfs: allocate root item at snapshot ioctl time
2016-01-07 15:20:54 +01:00
Kconfig
rcu: Make SRCU optional by using CONFIG_SRCU
2015-01-06 11:04:29 -08:00
locking.c
btrfs: comment the rest of implicit barriers before waitqueue_active
2015-10-10 18:42:00 +02:00
locking.h
btrfs: fix lockups from btrfs_clear_path_blocking
2014-11-19 10:34:35 -08:00
lzo.c
btrfs: constify structs with op functions or static definitions
2015-02-16 18:48:44 +01:00
Makefile
Btrfs: add sanity tests for new qgroup accounting code
2014-06-09 17:20:49 -07:00
math.h
btrfs: cleanup 64bit/32bit divs, compile time constants
2015-03-03 17:23:57 +01:00
ordered-data.c
Btrfs: change how we wait for pending ordered extents
2015-10-21 18:51:40 -07:00
ordered-data.h
Btrfs: change how we wait for pending ordered extents
2015-10-21 18:51:40 -07:00
orphan.c
btrfs: kill the key type accessor helpers
2014-09-17 13:37:12 -07:00
print-tree.c
btrfs: remove parameter blocksize from read_tree_block
2014-10-02 17:14:50 +02:00
print-tree.h
btrfs: make static code static & remove dead code
2013-05-06 15:55:23 -04:00
props.c
btrfs: cleanup iterating over prop_handlers array
2015-10-21 18:28:48 +02:00
props.h
Btrfs: add support for inode properties
2014-01-28 13:20:24 -08:00
qgroup.c
btrfs: qgroup: account shared subtree during snapshot delete
2015-11-25 05:27:33 -08:00
qgroup.h
btrfs: qgroup: Check if qgroup reserved space leaked
2015-10-21 18:41:10 -07:00
raid56.c
btrfs: comment waitqueue_active implied by locks
2015-10-10 18:35:10 +02:00
raid56.h
Btrfs: add RAID 5/6 BTRFS_RBIO_REBUILD_MISSING operation
2015-08-09 07:34:26 -07:00
rcu-string.h
Btrfs: use rcu to protect device->name
2012-06-14 21:29:16 -04:00
reada.c
btrfs: reada: Fix returned errno code
2015-10-21 18:29:50 +02:00
relocation.c
btrfs: cleanup, use enum values for btrfs_path reada
2016-01-07 15:01:15 +01:00
root-tree.c
Merge branch 'cleanups/for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.4
2015-10-21 18:21:40 -07:00
scrub.c
btrfs: cleanup, use enum values for btrfs_path reada
2016-01-07 15:01:15 +01:00
send.c
btrfs: fix resending received snapshot with parent
2015-10-13 20:04:10 +01:00
send.h
btrfs: make static code static & remove dead code
2013-05-06 15:55:23 -04:00
struct-funcs.c
Btrfs: rewrite BTRFS_SETGET_FUNCS
2012-07-23 16:28:06 -04:00
super.c
btrfs: constify static arrays
2016-01-07 15:01:15 +01:00
sysfs.c
Btrfs: rename super_kobj to fsid_kobj
2015-09-29 16:29:59 +02:00
sysfs.h
Btrfs: rename btrfs_kobj_rm_device to btrfs_sysfs_rm_device_link
2015-09-29 16:29:59 +02:00
transaction.c
btrfs: allocate root item at snapshot ioctl time
2016-01-07 15:20:54 +01:00
transaction.h
btrfs: allocate root item at snapshot ioctl time
2016-01-07 15:20:54 +01:00
tree-defrag.c
Btrfs: cleanup: remove unnecessary check before btrfs_free_path is called
2015-08-31 11:46:41 -07:00
tree-log.c
Btrfs: fix regression running delayed references when using qgroups
2015-10-25 19:53:26 +00:00
tree-log.h
Btrfs: fix metadata inconsistencies after directory fsync
2015-03-26 17:56:23 -07:00
ulist.c
btrfs: ulist: Add ulist_del() function.
2015-06-10 09:26:17 -07:00
ulist.h
btrfs: ulist: Add ulist_del() function.
2015-06-10 09:26:17 -07:00
uuid-tree.c
Btrfs: make btrfs_search_forward return with nodes unlocked
2014-09-17 13:38:02 -07:00
volumes.c
btrfs: cleanup, use enum values for btrfs_path reada
2016-01-07 15:01:15 +01:00
volumes.h
btrfs: fix clashing number of the enhanced balance usage filter
2015-11-25 05:19:50 -08:00
xattr.c
btrfs: cleanup, use enum values for btrfs_path reada
2016-01-07 15:01:15 +01:00
xattr.h
btrfs: use generic posix ACL infrastructure
2014-01-25 23:58:18 -05:00
zlib.c
btrfs: constify structs with op functions or static definitions
2015-02-16 18:48:44 +01:00