diff options
Diffstat (limited to 'fs/btrfs/ordered-data.h')
-rw-r--r-- | fs/btrfs/ordered-data.h | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h index d61ea9c880a3..c3a2325e64a4 100644 --- a/fs/btrfs/ordered-data.h +++ b/fs/btrfs/ordered-data.h @@ -56,6 +56,12 @@ enum { BTRFS_ORDERED_TRUNCATED, /* Regular IO for COW */ BTRFS_ORDERED_REGULAR, + /* Used during fsync to track already logged extents */ + BTRFS_ORDERED_LOGGED, + /* We have already logged all the csums of the ordered extent */ + BTRFS_ORDERED_LOGGED_CSUM, + /* We wait for this extent to complete in the current transaction */ + BTRFS_ORDERED_PENDING, }; struct btrfs_ordered_extent { @@ -104,6 +110,9 @@ struct btrfs_ordered_extent { /* list of checksums for insertion when the extent io is done */ struct list_head list; + /* used for fast fsyncs */ + struct list_head log_list; + /* used to wait for the BTRFS_ORDERED_COMPLETE bit */ wait_queue_head_t wait; @@ -142,9 +151,9 @@ btrfs_ordered_inode_tree_init(struct btrfs_ordered_inode_tree *t) } void btrfs_put_ordered_extent(struct btrfs_ordered_extent *entry); -void btrfs_remove_ordered_extent(struct inode *inode, +void btrfs_remove_ordered_extent(struct btrfs_inode *btrfs_inode, struct btrfs_ordered_extent *entry); -int btrfs_dec_test_ordered_pending(struct inode *inode, +int btrfs_dec_test_ordered_pending(struct btrfs_inode *inode, struct btrfs_ordered_extent **cached, u64 file_offset, u64 io_size, int uptodate); int btrfs_dec_test_first_ordered_pending(struct btrfs_inode *inode, @@ -165,17 +174,18 @@ void btrfs_add_ordered_sum(struct btrfs_ordered_extent *entry, struct btrfs_ordered_sum *sum); struct btrfs_ordered_extent *btrfs_lookup_ordered_extent(struct btrfs_inode *inode, u64 file_offset); -void btrfs_start_ordered_extent(struct inode *inode, - struct btrfs_ordered_extent *entry, int wait); +void btrfs_start_ordered_extent(struct btrfs_ordered_extent *entry, int wait); int btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len); struct btrfs_ordered_extent * -btrfs_lookup_first_ordered_extent(struct inode * inode, u64 file_offset); +btrfs_lookup_first_ordered_extent(struct btrfs_inode *inode, u64 file_offset); struct btrfs_ordered_extent *btrfs_lookup_ordered_range( struct btrfs_inode *inode, u64 file_offset, u64 len); -int btrfs_find_ordered_sum(struct inode *inode, u64 offset, u64 disk_bytenr, - u8 *sum, int len); +void btrfs_get_ordered_extents_for_logging(struct btrfs_inode *inode, + struct list_head *list); +int btrfs_find_ordered_sum(struct btrfs_inode *inode, u64 offset, + u64 disk_bytenr, u8 *sum, int len); u64 btrfs_wait_ordered_extents(struct btrfs_root *root, u64 nr, const u64 range_start, const u64 range_len); void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, u64 nr, |