From 55eeaf0578038c40baaf3cf9408c23e42cd2a2b8 Mon Sep 17 00:00:00 2001 From: Qu Wenruo Date: Tue, 8 Sep 2015 17:08:38 +0800 Subject: 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 Signed-off-by: Chris Mason --- fs/btrfs/qgroup.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'fs/btrfs/qgroup.h') 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__ */ -- cgit v1.2.3