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b0c0ea6338
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
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
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
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
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
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
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
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
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
props.c btrfs: cleanup iterating over prop_handlers array 2015-10-21 18:28:48 +02:00
props.h
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
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
struct-funcs.c
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
zlib.c btrfs: constify structs with op functions or static definitions 2015-02-16 18:48:44 +01:00