From ebad861b5702c3e2332a3e906978f47144d22f70 Mon Sep 17 00:00:00 2001 From: Dave Chinner Date: Wed, 22 Sep 2010 10:47:20 +1000 Subject: 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 Reviewed-by: Christoph Hellwig Reviewed-by: Alex Elder --- fs/xfs/xfs_buf_item.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'fs/xfs/xfs_buf_item.c') diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 1b09d7a280d..ee7557611b6 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -692,8 +692,7 @@ xfs_buf_item_init( * the first. If we do already have one, there is * nothing to do here so return. */ - if (bp->b_mount != mp) - bp->b_mount = mp; + ASSERT(bp->b_target->bt_mount == mp); if (XFS_BUF_FSPRIVATE(bp, void *) != NULL) { lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *); if (lip->li_type == XFS_LI_BUF) { -- cgit v1.2.3-18-g5258