diff options
| -rw-r--r-- | fs/iomap.c | 2 | ||||
| -rw-r--r-- | include/linux/iomap.h | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/fs/iomap.c b/fs/iomap.c index e9b3f991c2d8..ec411a6b9edc 100644 --- a/fs/iomap.c +++ b/fs/iomap.c @@ -512,6 +512,8 @@ static int iomap_to_fiemap(struct fiemap_extent_info *fi, if (iomap->flags & IOMAP_F_MERGED) flags |= FIEMAP_EXTENT_MERGED; + if (iomap->flags & IOMAP_F_SHARED) + flags |= FIEMAP_EXTENT_SHARED; return fiemap_fill_next_extent(fi, iomap->offset, iomap->blkno != IOMAP_NULL_BLOCK ? iomap->blkno << 9: 0, diff --git a/include/linux/iomap.h b/include/linux/iomap.h index 3a56212a0a8d..c74226a738a3 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -22,6 +22,7 @@ struct vm_fault; * Flags for iomap mappings: */ #define IOMAP_F_MERGED 0x01 /* contains multiple blocks/extents */ +#define IOMAP_F_SHARED 0x02 /* block shared with another file */ /* * Magic value for blkno: |