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authorDavid Chinner <david@fromorbit.com>2008-10-30 07:39:23 +0100
committerLachlan McIlroy <lachlan@sgi.com>2008-10-30 07:39:23 +0100
commitc7e8f268278a292d3823b4352182fa7755a71410 (patch)
treef7316f830fdc7feedfd9ae486ac097e8f5df8dad /fs/xfs/xfs_trans_priv.h
parent[XFS] Allow 64 bit machines to avoid the AIL lock during flushes (diff)
downloadlinux-c7e8f268278a292d3823b4352182fa7755a71410.tar.xz
linux-c7e8f268278a292d3823b4352182fa7755a71410.zip
[XFS] Move the AIL lock into the struct xfs_ail
Bring the ail lock inside the struct xfs_ail. This means the AIL can be entirely manipulated via the struct xfs_ail rather than needing both the struct xfs_mount and the struct xfs_ail. SGI-PV: 988143 SGI-Modid: xfs-linux-melb:xfs-kern:32350a 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_trans_priv.h')
-rw-r--r--fs/xfs/xfs_trans_priv.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/xfs/xfs_trans_priv.h b/fs/xfs/xfs_trans_priv.h
index 708cff72d209..6ca0a7a7e3df 100644
--- a/fs/xfs/xfs_trans_priv.h
+++ b/fs/xfs/xfs_trans_priv.h
@@ -79,6 +79,7 @@ struct xfs_ail {
struct task_struct *xa_task;
xfs_lsn_t xa_target;
struct xfs_ail_cursor xa_cursors;
+ spinlock_t xa_lock;
};
/*
@@ -114,9 +115,9 @@ xfs_trans_ail_copy_lsn(
xfs_lsn_t *src)
{
ASSERT(sizeof(xfs_lsn_t) == 8); /* don't lock if it shrinks */
- spin_lock(&ailp->xa_mount->m_ail_lock);
+ spin_lock(&ailp->xa_lock);
*dst = *src;
- spin_unlock(&ailp->xa_mount->m_ail_lock);
+ spin_unlock(&ailp->xa_lock);
}
#else
static inline void