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authorDavid Chinner <david@fromorbit.com>2008-10-30 17:39:46 +1100
committerLachlan McIlroy <lachlan@sgi.com>2008-10-30 17:39:46 +1100
commitfc1829f34d30899701dfd5890030d39e13e1f47d (patch)
treec2532c6a1070396e39000f36a5728f0f0940b24d /fs/xfs/xfs_buf_item.c
parenta9c21c1b9deaced836034e77fe25fe0b55c21f02 (diff)
downloadlinux-fc1829f34d30899701dfd5890030d39e13e1f47d.tar.gz
[XFS] Add ail pointer into log items
Add an xfs_ail pointer to log items so that the log items can reference
the AIL directly during callbacks without needed a struct xfs_mount.

SGI-PV: 988143

SGI-Modid: xfs-linux-melb:xfs-kern:32352a

Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Diffstat (limited to 'fs/xfs/xfs_buf_item.c')
-rw-r--r--fs/xfs/xfs_buf_item.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index c557fd682527..793e53c01dc0 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -731,6 +731,7 @@ xfs_buf_item_init(
 	bip->bli_item.li_type = XFS_LI_BUF;
 	bip->bli_item.li_ops = &xfs_buf_item_ops;
 	bip->bli_item.li_mountp = mp;
+	bip->bli_item.li_ailp = mp->m_ail;
 	bip->bli_buf = bp;
 	xfs_buf_hold(bp);
 	bip->bli_format.blf_type = XFS_LI_BUF;
@@ -1123,11 +1124,13 @@ xfs_buf_iodone(
 	xfs_buf_log_item_t	*bip)
 {
 	struct xfs_mount	*mp;
+	struct xfs_ail		*ailp;
 
 	ASSERT(bip->bli_buf == bp);
 
 	xfs_buf_rele(bp);
 	mp = bip->bli_item.li_mountp;
+	ailp = bip->bli_item.li_ailp;
 
 	/*
 	 * If we are forcibly shutting down, this may well be
@@ -1138,7 +1141,7 @@ xfs_buf_iodone(
 	 *
 	 * Either way, AIL is useless if we're forcing a shutdown.
 	 */
-	spin_lock(&mp->m_ail->xa_lock);
+	spin_lock(&ailp->xa_lock);
 	/*
 	 * xfs_trans_delete_ail() drops the AIL lock.
 	 */