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authorAndreas Gruenbacher <agruenba@redhat.com>2017-10-02 00:56:54 +0300
committerTheodore Ts'o <tytso@mit.edu>2017-10-02 00:56:54 +0300
commit9ca250a5137f3df7ffac58b49660beadd5926ace (patch)
tree4680883fd9cc5a7d8a369d4537e87b33aadf8c4b
parent19fe5f643f89f29c1a16bc474d91506b0e9a6232 (diff)
downloadlinux-9ca250a5137f3df7ffac58b49660beadd5926ace.tar.xz
iomap: Add IOMAP_F_DATA_INLINE flag
Add a new IOMAP_F_DATA_INLINE flag to indicate that a mapping is in a disk area that contains data as well as metadata. In iomap_fiemap, map this flag to FIEMAP_EXTENT_DATA_INLINE. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jan Kara <jack@suse.cz>
-rw-r--r--fs/iomap.c2
-rw-r--r--include/linux/iomap.h5
2 files changed, 5 insertions, 2 deletions
diff --git a/fs/iomap.c b/fs/iomap.c
index d25db039ee13..379eb9896093 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -510,6 +510,8 @@ static int iomap_to_fiemap(struct fiemap_extent_info *fi,
flags |= FIEMAP_EXTENT_MERGED;
if (iomap->flags & IOMAP_F_SHARED)
flags |= FIEMAP_EXTENT_SHARED;
+ if (iomap->flags & IOMAP_F_DATA_INLINE)
+ flags |= FIEMAP_EXTENT_DATA_INLINE;
return fiemap_fill_next_extent(fi, iomap->offset,
iomap->addr != IOMAP_NULL_ADDR ? iomap->addr : 0,
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 7b8a615fa021..2b0790dbd6ea 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -26,8 +26,9 @@ struct vm_fault;
/*
* 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 */
+#define IOMAP_F_MERGED 0x10 /* contains multiple blocks/extents */
+#define IOMAP_F_SHARED 0x20 /* block shared with another file */
+#define IOMAP_F_DATA_INLINE 0x40 /* data inline in the inode */
/*
* Magic value for addr: