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Commit 635c4d0b authored by Jie Liu's avatar Jie Liu Committed by Ben Myers
Browse files

xfs: return FIEMAP_EXTENT_UNKNOWN for delayed allocation extent 



For FIEMAP ioctl(2), if an extent is in delayed allocation
state, we need to return the FIEMAP_EXTENT_UNKNOWN flag except
the FIEMAP_EXTENT_DELALLOC because its data location is unknown.

Signed-off-by: default avatarJie Liu <jeff.liu@oracle.com>
Reviewed-by: default avatarBen Myers <bpm@sgi.com>
Signed-off-by: default avatarBen Myers <bpm@sgi.com>
parent 725eb1eb

fs/xfs/xfs_iops.c

+2 −1
Original line number Diff line number Diff line
@@ -987,7 +987,8 @@ xfs_fiemap_format( 
	if (bmv->bmv_oflags & BMV_OF_PREALLOC)

		fiemap_flags |= FIEMAP_EXTENT_UNWRITTEN;

	else if (bmv->bmv_oflags & BMV_OF_DELALLOC) {

		fiemap_flags |= FIEMAP_EXTENT_DELALLOC;

		fiemap_flags |= (FIEMAP_EXTENT_DELALLOC |

				 FIEMAP_EXTENT_UNKNOWN);

		physical = 0;   /* no block yet */

	}

	if (bmv->bmv_oflags & BMV_OF_LAST)