Commit 8c0414cd authored by Sunil Mushran's avatar Sunil Mushran Committed by Joel Becker

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: default avatarSunil Mushran <>
Acked-by: default avatarMark Fasheh <>
Signed-off-by: default avatarJoel Becker <>
parent 93654540
......@@ -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 */
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