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Commit 9ca250a5 authored by Andreas Gruenbacher's avatar Andreas Gruenbacher Committed by Theodore Ts'o
Browse files

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: default avatarAndreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
Reviewed-by: default avatarJan Kara <jack@suse.cz>
parent 19fe5f64

fs/iomap.c

+2 −0
Original line number Diff line number Diff line
@@ -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,

include/linux/iomap.h

+3 −2
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ struct vm_fault; 
 */

#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: