xfs: fix unaligned access in xfs_btree_visit_blocks
authorEric Sandeen <sandeen@sandeen.net>
Tue, 23 May 2017 02:54:10 +0000 (19:54 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Thu, 25 May 2017 16:42:25 +0000 (09:42 -0700)
commita4d768e702de224cc85e0c8eac9311763403b368
tree2a6deacdcea6b7f9a9fc28ca4f438863d9442a5a
parent3ecb3ac7b950ff8f6c6a61e8b7b0d6e3546429a0
xfs: fix unaligned access in xfs_btree_visit_blocks

This structure copy was throwing unaligned access warnings on sparc64:

Kernel unaligned access at TPC[1043c088] xfs_btree_visit_blocks+0x88/0xe0 [xfs]

xfs_btree_copy_ptrs does a memcpy, which avoids it.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
fs/xfs/libxfs/xfs_btree.c