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| author | Qu Wenruo <quwenruo@cn.fujitsu.com> | 2015-09-08 17:08:38 +0800 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2015-10-21 18:37:47 -0700 |
| commit | 55eeaf0578038c40baaf3cf9408c23e42cd2a2b8 (patch) | |
| tree | 3539d0575ebba0c079cc293b9cf884a402688d1b /fs/btrfs/ctree.h | |
| parent | 297d750b9f8d7e6f2dbdf8abc5aa3b5c656affdc (diff) | |
| download | lwn-55eeaf0578038c40baaf3cf9408c23e42cd2a2b8.tar.gz lwn-55eeaf0578038c40baaf3cf9408c23e42cd2a2b8.zip | |
btrfs: qgroup: Introduce new functions to reserve/free metadata
Introduce new functions btrfs_qgroup_reserve/free_meta() to reserve/free
metadata reserved space.
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 49bc792108b9..9df8f01de4df 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1943,6 +1943,9 @@ struct btrfs_root { int send_in_progress; struct btrfs_subvolume_writers *subv_writers; atomic_t will_be_snapshoted; + + /* For qgroup metadata space reserve */ + atomic_t qgroup_meta_rsv; }; struct btrfs_ioctl_defrag_range_args { |