diff options
Diffstat (limited to 'extent_io.h')
-rw-r--r-- | extent_io.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/extent_io.h b/extent_io.h index 68fb9cef..acc316e5 100644 --- a/extent_io.h +++ b/extent_io.h @@ -40,6 +40,7 @@ #define EXTENT_BUFFER_FILLED (1 << 8) #define EXTENT_CSUM (1 << 9) #define EXTENT_BAD_TRANSID (1 << 10) +#define EXTENT_BUFFER_DUMMY (1 << 11) #define EXTENT_IOBITS (EXTENT_LOCKED | EXTENT_WRITEBACK) #define BLOCK_GROUP_DATA EXTENT_WRITEBACK @@ -111,6 +112,7 @@ struct extent_buffer *find_first_extent_buffer(struct extent_io_tree *tree, u64 start); struct extent_buffer *alloc_extent_buffer(struct extent_io_tree *tree, u64 bytenr, u32 blocksize); +struct extent_buffer *btrfs_clone_extent_buffer(struct extent_buffer *src); void free_extent_buffer(struct extent_buffer *eb); int read_extent_from_disk(struct extent_buffer *eb, unsigned long offset, unsigned long len); |