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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/qgroup.h | |
| parent | 297d750b9f8d7e6f2dbdf8abc5aa3b5c656affdc (diff) | |
| download | linux-55eeaf0578038c40baaf3cf9408c23e42cd2a2b8.tar.bz2 | |
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/qgroup.h')
| -rw-r--r-- | fs/btrfs/qgroup.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h index 80924aeceb09..7d1c87cd3c78 100644 --- a/fs/btrfs/qgroup.h +++ b/fs/btrfs/qgroup.h @@ -101,4 +101,8 @@ int btrfs_verify_qgroup_counts(struct btrfs_fs_info *fs_info, u64 qgroupid, int btrfs_qgroup_reserve_data(struct inode *inode, u64 start, u64 len); int btrfs_qgroup_release_data(struct inode *inode, u64 start, u64 len); int btrfs_qgroup_free_data(struct inode *inode, u64 start, u64 len); + +int btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes); +void btrfs_qgroup_free_meta_all(struct btrfs_root *root); +void btrfs_qgroup_free_meta(struct btrfs_root *root, int num_bytes); #endif /* __BTRFS_QGROUP__ */ |