xfs: correctly map remote attr buffers during removal
authorDave Chinner <dchinner@redhat.com>
Tue, 21 May 2013 08:02:04 +0000 (18:02 +1000)
committerBen Myers <bpm@sgi.com>
Thu, 23 May 2013 22:49:28 +0000 (17:49 -0500)
commit6863ef8449f1908c19f43db572e4474f24a1e9da
tree26dcfd6ac5a1dbc121c278061f7b6cd7023e594f
parent4af3644c9a53eb2f1ecf69cc53576561b64be4c6
xfs: correctly map remote attr buffers during removal

If we don't map the buffers correctly (same as for get/set
operations) then the incore buffer lookup will fail. If a block
number matches but a length is wrong, then debug kernels will ASSERT
fail in _xfs_buf_find() due to the length mismatch. Ensure that we
map the buffers correctly by basing the length of the buffer on the
attribute data length rather than the remote block count.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
fs/xfs/xfs_attr_remote.c