diff options
Diffstat (limited to 'fs/btrfs/extent_io.h')
| -rw-r--r-- | fs/btrfs/extent_io.h | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 60628341f156..489d7945154f 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -37,6 +37,8 @@ #define EXTENT_BUFFER_READAHEAD 4 /* this got triggered by readahead */ #define EXTENT_BUFFER_TREE_REF 5 #define EXTENT_BUFFER_STALE 6 +#define EXTENT_BUFFER_WRITEBACK 7 +#define EXTENT_BUFFER_IOERR 8 /* these are flags for extent_clear_unlock_delalloc */ #define EXTENT_CLEAR_UNLOCK_PAGE 0x1 @@ -99,6 +101,7 @@ struct extent_io_tree { struct radix_tree_root buffer; struct address_space *mapping; u64 dirty_bytes; + int track_uptodate; spinlock_t lock; spinlock_t buffer_lock; struct extent_io_ops *ops; @@ -132,7 +135,7 @@ struct extent_buffer { struct extent_io_tree *tree; spinlock_t refs_lock; atomic_t refs; - atomic_t pages_reading; + atomic_t io_pages; struct list_head leak_list; struct rcu_head rcu_head; pid_t lock_owner; @@ -249,6 +252,8 @@ int extent_writepages(struct extent_io_tree *tree, struct address_space *mapping, get_extent_t *get_extent, struct writeback_control *wbc); +int btree_write_cache_pages(struct address_space *mapping, + struct writeback_control *wbc); int extent_readpages(struct extent_io_tree *tree, struct address_space *mapping, struct list_head *pages, unsigned nr_pages, @@ -297,18 +302,11 @@ void memmove_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset, void memset_extent_buffer(struct extent_buffer *eb, char c, unsigned long start, unsigned long len); int wait_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, int bits); -int clear_extent_buffer_dirty(struct extent_io_tree *tree, - struct extent_buffer *eb); -int set_extent_buffer_dirty(struct extent_io_tree *tree, - struct extent_buffer *eb); -int set_extent_buffer_uptodate(struct extent_io_tree *tree, - struct extent_buffer *eb); -int clear_extent_buffer_uptodate(struct extent_io_tree *tree, - struct extent_buffer *eb, - struct extent_state **cached_state); -int extent_buffer_uptodate(struct extent_io_tree *tree, - struct extent_buffer *eb, - struct extent_state *cached_state); +int clear_extent_buffer_dirty(struct extent_buffer *eb); +int set_extent_buffer_dirty(struct extent_buffer *eb); +int set_extent_buffer_uptodate(struct extent_buffer *eb); +int clear_extent_buffer_uptodate(struct extent_buffer *eb); +int extent_buffer_uptodate(struct extent_buffer *eb); int map_private_extent_buffer(struct extent_buffer *eb, unsigned long offset, unsigned long min_len, char **map, unsigned long *map_start, |