Commit 8c0414cd authored Dec 03, 2009 by Sunil Mushran Committed by Joel Becker Dec 17, 2009

fiemap: Add new extent flag FIEMAP_EXTENT_SHARED



Some filesystems may allow multiple files to point to a particular
extent.  This patch adds flag FIEMAP_EXTENT_SHARED to denote extents
that are shared with other inodes.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Acked-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>

parent 93654540

include/linux/fiemap.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -62,5 +62,7 @@ struct fiemap {
		#define FIEMAP_EXTENT_MERGED 0x00001000 /* File does not natively
		* support extents. Result
		* merged for efficiency. */
		#define FIEMAP_EXTENT_SHARED 0x00002000 /* Space shared with other
		* files. */

		#endif /* _LINUX_FIEMAP_H */