diff options
| author | Josef Bacik <jbacik@fb.com> | 2014-10-10 16:57:07 -0400 |
|---|---|---|
| committer | David Sterba <dsterba@suse.cz> | 2014-10-14 10:39:38 +0200 |
| commit | d90d8d2323cdee2bdb3b130236c801ceeb8ea875 (patch) | |
| tree | 7ad61eb1363ee1c6c940c55accf54ebac37662f1 /extent_io.h | |
| parent | 6863bcf74fa8bf335d73c04248fc25ac6ada3121 (diff) | |
Btrfs-progs: pull back backref.c and fix it up
This patch pulls back backref.c, adds a couple of helpers everywhere that it
needs, and cleans up backref.c to fit in btrfs-progs. Thanks,
Signed-off-by: Josef Bacik <jbacik@fb.com>
[removed free_some_buffers after "do not reclaim extent buffer"]
Signed-off-by: David Sterba <dsterba@suse.cz>
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); |