iomap: add IOMAP_REPORT

This allows the file system to tell a FIEMAP from a read operation, and thus
avoids the need to report flags that aren't actually used in the read path.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/iomap.c b/fs/iomap.c
index 013d1d36fbbf..a92204012e2d 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -561,7 +561,7 @@ int iomap_fiemap(struct inode *inode, struct fiemap_extent_info *fi,
         }
 
         while (len > 0) {
-                ret = iomap_apply(inode, start, len, 0, ops, &ctx,
+                ret = iomap_apply(inode, start, len, IOMAP_REPORT, ops, &ctx,
                                 iomap_fiemap_actor);
                 /* inode with no (attribute) mapping will give ENOENT */
                 if (ret == -ENOENT)