tree 7b4502277c46d26d1d26258d05596b58ab6b868a
parent 5adc94c247c3779782c7b0b8b5e28cf50596eb37
author Dave Chinner <dchinner@redhat.com> 1285116440 +1000
committer Alex Elder <aelder@sgi.com> 1287432468 -0500

xfs: store xfs_mount in the buftarg instead of in the xfs_buf

Each buffer contains both a buftarg pointer and a mount pointer. If
we add a mount pointer into the buftarg, we can avoid needing the
b_mount field in every buffer and grab it from the buftarg when
needed instead. This shrinks the xfs_buf by 8 bytes.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>