diff options
| author | Liu Bo <bo.li.liu@oracle.com> | 2017-02-10 16:41:05 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-02-17 12:03:35 +0100 |
| commit | da2c7009f6cafe0a550cf57a1aa79e0f1b3093d6 (patch) | |
| tree | bbb0244a94f04c55c100627370371e8a6415cf31 /fs/btrfs/extent_io.h | |
| parent | 873695b301df51dc9dac2573669ac8777d37bec3 (diff) | |
| download | lwn-da2c7009f6cafe0a550cf57a1aa79e0f1b3093d6.tar.gz lwn-da2c7009f6cafe0a550cf57a1aa79e0f1b3093d6.zip | |
btrfs: teach __process_pages_contig about PAGE_LOCK operation
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ changes to the helper separated from the following patch ]
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent_io.h')
| -rw-r--r-- | fs/btrfs/extent_io.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 17f9ce479ed7..4551a5b4b8f5 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -45,13 +45,14 @@ #define EXTENT_BUFFER_IN_TREE 10 #define EXTENT_BUFFER_WRITE_ERR 11 /* write IO error */ -/* these are flags for extent_clear_unlock_delalloc */ +/* these are flags for __process_pages_contig */ #define PAGE_UNLOCK (1 << 0) #define PAGE_CLEAR_DIRTY (1 << 1) #define PAGE_SET_WRITEBACK (1 << 2) #define PAGE_END_WRITEBACK (1 << 3) #define PAGE_SET_PRIVATE2 (1 << 4) #define PAGE_SET_ERROR (1 << 5) +#define PAGE_LOCK (1 << 6) /* * page->private values. Every page that is controlled by the extent |