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| author | Yan, Zheng <zheng.yan@oracle.com> | 2010-05-16 10:49:58 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2010-05-25 10:34:52 -0400 |
| commit | d68fc57b7e3245cfacf2e3b47acfed1946a11786 (patch) | |
| tree | c2572fcd935017440c8370c8a12ceb49a7fc4f1f /fs/btrfs/ctree.h | |
| parent | 8929ecfa50f266163832eeacfbc3642ed5eb83b6 (diff) | |
| download | linux-d68fc57b7e3245cfacf2e3b47acfed1946a11786.tar.bz2 | |
Btrfs: Metadata reservation for orphan inodes
reserve metadata space for handling orphan inodes
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 | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 504d5daf2f1c..fc324f9fcb42 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1069,7 +1069,6 @@ struct btrfs_root { int ref_cows; int track_dirty; int in_radix; - int clean_orphans; u64 defrag_trans_start; struct btrfs_key defrag_progress; @@ -1083,8 +1082,11 @@ struct btrfs_root { struct list_head root_list; - spinlock_t list_lock; + spinlock_t orphan_lock; struct list_head orphan_list; + struct btrfs_block_rsv *orphan_block_rsv; + int orphan_item_inserted; + int orphan_cleanup_state; spinlock_t inode_lock; /* red-black tree that keeps track of in-memory inodes */ @@ -2080,6 +2082,9 @@ int btrfs_trans_reserve_metadata(struct btrfs_trans_handle *trans, int num_items, int *retries); void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans, struct btrfs_root *root); +int btrfs_orphan_reserve_metadata(struct btrfs_trans_handle *trans, + struct inode *inode); +void btrfs_orphan_release_metadata(struct inode *inode); 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); @@ -2404,6 +2409,13 @@ int btrfs_update_inode(struct btrfs_trans_handle *trans, int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct inode *inode); int btrfs_orphan_del(struct btrfs_trans_handle *trans, struct inode *inode); void btrfs_orphan_cleanup(struct btrfs_root *root); +void btrfs_orphan_pre_snapshot(struct btrfs_trans_handle *trans, + struct btrfs_pending_snapshot *pending, + u64 *bytes_to_reserve); +void btrfs_orphan_post_snapshot(struct btrfs_trans_handle *trans, + struct btrfs_pending_snapshot *pending); +void btrfs_orphan_commit_root(struct btrfs_trans_handle *trans, + struct btrfs_root *root); int btrfs_cont_expand(struct inode *inode, loff_t size); int btrfs_invalidate_inodes(struct btrfs_root *root); void btrfs_add_delayed_iput(struct inode *inode); |