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| author | Omar Sandoval <osandov@fb.com> | 2015-09-29 20:50:30 -0700 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2015-12-17 12:16:46 -0800 |
| commit | 3e1e8bb770dba29645b302c5499ffcb8e3906712 (patch) | |
| tree | bf713f22cbe60b00cdf193bdb17c58b4c7d8b642 /fs/btrfs/extent_io.h | |
| parent | 6a13feb9c82803e2b815eca72fa7a9f5561d7861 (diff) | |
| download | linux-0-day-3e1e8bb770dba29645b302c5499ffcb8e3906712.tar.gz linux-0-day-3e1e8bb770dba29645b302c5499ffcb8e3906712.tar.xz | |
Btrfs: add extent buffer bitmap operations
These are going to be used for the free space tree bitmap items.
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/extent_io.h')
| -rw-r--r-- | fs/btrfs/extent_io.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index c668f36898d3a..9185a20081d77 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -309,6 +309,12 @@ void memmove_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset, unsigned long src_offset, unsigned long len); void memset_extent_buffer(struct extent_buffer *eb, char c, unsigned long start, unsigned long len); +int extent_buffer_test_bit(struct extent_buffer *eb, unsigned long start, + unsigned long pos); +void extent_buffer_bitmap_set(struct extent_buffer *eb, unsigned long start, + unsigned long pos, unsigned long len); +void extent_buffer_bitmap_clear(struct extent_buffer *eb, unsigned long start, + unsigned long pos, unsigned long len); void 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); |