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authorQu Wenruo <quwenruo@cn.fujitsu.com>2015-09-08 17:08:38 +0800
committerChris Mason <clm@fb.com>2015-10-21 18:37:47 -0700
commit55eeaf0578038c40baaf3cf9408c23e42cd2a2b8 (patch)
tree3539d0575ebba0c079cc293b9cf884a402688d1b /fs/btrfs/qgroup.h
parent297d750b9f8d7e6f2dbdf8abc5aa3b5c656affdc (diff)
downloadop-kernel-dev-55eeaf0578038c40baaf3cf9408c23e42cd2a2b8.zip
op-kernel-dev-55eeaf0578038c40baaf3cf9408c23e42cd2a2b8.tar.gz
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.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h
index 80924ae..7d1c87c 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__ */
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