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[XFS] Move the AIL lock into the struct xfs_ail

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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>
This commit is contained in:
David Chinner
2008-10-30 17:39:23 +11:00
committed by Lachlan McIlroy
parent 7b2e2a31f5
commit c7e8f26827
12 changed files with 59 additions and 58 deletions
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5
fs/xfs/xfs_trans_priv.h
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@@ -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