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| author | Yan, Zheng <zheng.yan@oracle.com> | 2010-05-16 10:48:47 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2010-05-25 10:34:51 -0400 |
| commit | 0ca1f7ceb1991099ed5273885ebcf4323948c72e (patch) | |
| tree | 10758d6a55c529aced177da3f6bf45cf26361913 /fs/btrfs/ctree.h | |
| parent | a22285a6a32390195235171b89d157ed1a1fe932 (diff) | |
| download | lwn-0ca1f7ceb1991099ed5273885ebcf4323948c72e.tar.gz lwn-0ca1f7ceb1991099ed5273885ebcf4323948c72e.zip | |
Btrfs: Update metadata reservation for delayed allocation
Introduce metadata reservation context for delayed allocation
and update various related functions.
This patch also introduces EXTENT_FIRST_DELALLOC control bit for
set/clear_extent_bit. It tells set/clear_bit_hook whether they
are processing the first extent_state with EXTENT_DELALLOC bit
set. This change is important if set/clear_extent_bit involves
multiple extent_state.
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index e0aa9fb563e2..d4744192eada 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2079,19 +2079,8 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans, u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags); void btrfs_set_inode_space_info(struct btrfs_root *root, struct inode *ionde); void btrfs_clear_space_info_full(struct btrfs_fs_info *info); - -int btrfs_unreserve_metadata_for_delalloc(struct btrfs_root *root, - struct inode *inode, int num_items); -int btrfs_reserve_metadata_for_delalloc(struct btrfs_root *root, - struct inode *inode, int num_items); -int btrfs_check_data_free_space(struct btrfs_root *root, struct inode *inode, - u64 bytes); -void btrfs_free_reserved_data_space(struct btrfs_root *root, - struct inode *inode, u64 bytes); -void btrfs_delalloc_reserve_space(struct btrfs_root *root, struct inode *inode, - u64 bytes); -void btrfs_delalloc_free_space(struct btrfs_root *root, struct inode *inode, - u64 bytes); +int btrfs_check_data_free_space(struct inode *inode, u64 bytes); +void btrfs_free_reserved_data_space(struct inode *inode, u64 bytes); int btrfs_trans_reserve_metadata(struct btrfs_trans_handle *trans, struct btrfs_root *root, int num_items, int *retries); @@ -2099,6 +2088,10 @@ void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans, struct btrfs_root *root); int btrfs_snap_reserve_metadata(struct btrfs_trans_handle *trans, struct btrfs_pending_snapshot *pending); +int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes); +void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes); +int btrfs_delalloc_reserve_space(struct inode *inode, u64 num_bytes); +void btrfs_delalloc_release_space(struct inode *inode, u64 num_bytes); void btrfs_init_block_rsv(struct btrfs_block_rsv *rsv); struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root); void btrfs_free_block_rsv(struct btrfs_root *root, |