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| author | Dave Airlie | 2016-11-07 00:37:09 +0100 |
|---|---|---|
| committer | Dave Airlie | 2016-11-07 00:37:09 +0100 |
| commit | 7b624ad8fea1be7ff4c22643e212191aa6a2a3c2 (patch) | |
| tree | 41d0357d3259868cd85521c3fb9578cd2fc13831 /include/linux/iomap.h | |
| parent | Merge tag 'omapdrm-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tom... (diff) | |
| parent | Linux 4.9-rc4 (diff) | |
| download | kernel-qcow2-linux-7b624ad8fea1be7ff4c22643e212191aa6a2a3c2.tar.gz kernel-qcow2-linux-7b624ad8fea1be7ff4c22643e212191aa6a2a3c2.tar.xz kernel-qcow2-linux-7b624ad8fea1be7ff4c22643e212191aa6a2a3c2.zip | |
Backmerge tag 'v4.9-rc4' into drm-next
Linux 4.9-rc4
This is needed for nouveau development.
Diffstat (limited to 'include/linux/iomap.h')
| -rw-r--r-- | include/linux/iomap.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/include/linux/iomap.h b/include/linux/iomap.h index e63e288dee83..7892f55a1866 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -19,11 +19,15 @@ struct vm_fault; #define IOMAP_UNWRITTEN 0x04 /* blocks allocated @blkno in unwritten state */ /* - * Flags for iomap mappings: + * Flags for all iomap mappings: */ -#define IOMAP_F_MERGED 0x01 /* contains multiple blocks/extents */ -#define IOMAP_F_SHARED 0x02 /* block shared with another file */ -#define IOMAP_F_NEW 0x04 /* blocks have been newly allocated */ +#define IOMAP_F_NEW 0x01 /* blocks have been newly allocated */ + +/* + * Flags that only need to be reported for IOMAP_REPORT requests: + */ +#define IOMAP_F_MERGED 0x10 /* contains multiple blocks/extents */ +#define IOMAP_F_SHARED 0x20 /* block shared with another file */ /* * Magic value for blkno: @@ -42,8 +46,9 @@ struct iomap { /* * Flags for iomap_begin / iomap_end. No flag implies a read. */ -#define IOMAP_WRITE (1 << 0) -#define IOMAP_ZERO (1 << 1) +#define IOMAP_WRITE (1 << 0) /* writing, must allocate blocks */ +#define IOMAP_ZERO (1 << 1) /* zeroing operation, may skip holes */ +#define IOMAP_REPORT (1 << 2) /* report extent status, e.g. FIEMAP */ struct iomap_ops { /* |