fsmap: fix documentation of FMR_OF_LAST

The FMR_OF_LAST flag is set on the last fsmap record being returned for
the dataset requested, contrary to what the header file says.  Fix the
docs to reflect the behavior of all fsmap implementations.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>

diff --git a/include/uapi/linux/fsmap.h b/include/uapi/linux/fsmap.h
index 7e8e5f0..e5213c3 100644 (file)
--- a/include/uapi/linux/fsmap.h
+++ b/include/uapi/linux/fsmap.h
@@ -96,7 +96,7 @@ fsmap_advance(
 #define FMR_OF_EXTENT_MAP      0x4     /* segment = extent map */
 #define FMR_OF_SHARED          0x8     /* segment = shared with another file */
 #define FMR_OF_SPECIAL_OWNER   0x10    /* owner is a special value */
-#define FMR_OF_LAST            0x20    /* segment is the last in the FS */
+#define FMR_OF_LAST            0x20    /* segment is the last in the dataset */
 
 /* Each FS gets to define its own special owner codes. */
 #define FMR_OWNER(type, code)  (((__u64)type << 32) | \