diff options
| author | David Sterba <dsterba@suse.com> | 2018-11-27 15:03:20 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-12-17 14:51:43 +0100 |
| commit | 80cb38362d330e1e4156a4904c17ce994589bd7d (patch) | |
| tree | eea05cca2044697691d35251c59e4d84c57a56c9 /fs/btrfs/extent_io.h | |
| parent | 61fa90c16b0b5efd1d5a6d1c74124c46e9138350 (diff) | |
btrfs: switch EXTENT_BUFFER_* to enums
We can use simple enum for values that are not part of on-disk format:
extent buffer flags;
Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent_io.h')
| -rw-r--r-- | fs/btrfs/extent_io.h | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index a1d3ea5a0d32..fd42492e62e5 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -37,18 +37,22 @@ #define EXTENT_BIO_COMPRESSED 1 #define EXTENT_BIO_FLAG_SHIFT 16 -/* these are bit numbers for test/set bit */ -#define EXTENT_BUFFER_UPTODATE 0 -#define EXTENT_BUFFER_DIRTY 2 -#define EXTENT_BUFFER_CORRUPT 3 -#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_READ_ERR 8 /* read IO error */ -#define EXTENT_BUFFER_UNMAPPED 9 -#define EXTENT_BUFFER_IN_TREE 10 -#define EXTENT_BUFFER_WRITE_ERR 11 /* write IO error */ +enum { + EXTENT_BUFFER_UPTODATE, + EXTENT_BUFFER_DIRTY, + EXTENT_BUFFER_CORRUPT, + /* this got triggered by readahead */ + EXTENT_BUFFER_READAHEAD, + EXTENT_BUFFER_TREE_REF, + EXTENT_BUFFER_STALE, + EXTENT_BUFFER_WRITEBACK, + /* read IO error */ + EXTENT_BUFFER_READ_ERR, + EXTENT_BUFFER_UNMAPPED, + EXTENT_BUFFER_IN_TREE, + /* write IO error */ + EXTENT_BUFFER_WRITE_ERR, +}; /* these are flags for __process_pages_contig */ #define PAGE_UNLOCK (1 << 0) |