diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 70024a24692d..156a1a7da16b 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -51,6 +51,7 @@
 #include "xfs_vfsops.h"
 #include "xfs_version.h"
 #include "xfs_log_priv.h"
+#include "xfs_trans_priv.h"
 
 #include <linux/namei.h>
 #include <linux/init.h>
@@ -765,6 +766,64 @@ xfs_blkdev_issue_flush(
 	blkdev_issue_flush(buftarg->bt_bdev, NULL);
 }
 
+/*
+ * XFS AIL push thread support
+ */
+void
+xfsaild_wakeup(
+	xfs_mount_t		*mp,
+	xfs_lsn_t		threshold_lsn)
+{
+	mp->m_ail.xa_target = threshold_lsn;
+	wake_up_process(mp->m_ail.xa_task);
+}
+
+int
+xfsaild(
+	void	*data)
+{
+	xfs_mount_t	*mp = (xfs_mount_t *)data;
+	xfs_lsn_t	last_pushed_lsn = 0;
+	long		tout = 0;
+
+	while (!kthread_should_stop()) {
+		if (tout)
+			schedule_timeout_interruptible(msecs_to_jiffies(tout));
+		tout = 1000;
+
+		/* swsusp */
+		try_to_freeze();
+
+		ASSERT(mp->m_log);
+		if (XFS_FORCED_SHUTDOWN(mp))
+			continue;
+
+		tout = xfsaild_push(mp, &last_pushed_lsn);
+	}
+
+	return 0;
+}	/* xfsaild */
+
+int
+xfsaild_start(
+	xfs_mount_t	*mp)
+{
+	mp->m_ail.xa_target = 0;
+	mp->m_ail.xa_task = kthread_run(xfsaild, mp, "xfsaild");
+	if (IS_ERR(mp->m_ail.xa_task))
+		return -PTR_ERR(mp->m_ail.xa_task);
+	return 0;
+}
+
+void
+xfsaild_stop(
+	xfs_mount_t	*mp)
+{
+	kthread_stop(mp->m_ail.xa_task);
+}
+
+
+
 STATIC struct inode *
 xfs_fs_alloc_inode(
 	struct super_block	*sb)
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 4c86a26330a0..b3ac3805d3c4 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -498,11 +498,14 @@ xfs_log_reserve(xfs_mount_t	 *mp,
  * Return error or zero.
  */
 int
-xfs_log_mount(xfs_mount_t	*mp,
-	      xfs_buftarg_t	*log_target,
-	      xfs_daddr_t	blk_offset,
-	      int		num_bblks)
+xfs_log_mount(
+	xfs_mount_t	*mp,
+	xfs_buftarg_t	*log_target,
+	xfs_daddr_t	blk_offset,
+	int		num_bblks)
 {
+	int		error;
+
 	if (!(mp->m_flags & XFS_MOUNT_NORECOVERY))
 		cmn_err(CE_NOTE, "XFS mounting filesystem %s", mp->m_fsname);
 	else {
@@ -514,12 +517,22 @@ xfs_log_mount(xfs_mount_t	*mp,
 
 	mp->m_log = xlog_alloc_log(mp, log_target, blk_offset, num_bblks);
 
+	/*
+	 * Initialize the AIL now we have a log.
+	 */
+	spin_lock_init(&mp->m_ail_lock);
+	error = xfs_trans_ail_init(mp);
+	if (error) {
+		cmn_err(CE_WARN, "XFS: AIL initialisation failed: error %d", error);
+		goto error;
+	}
+
 	/*
 	 * skip log recovery on a norecovery mount.  pretend it all
 	 * just worked.
 	 */
 	if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) {
-		int		error, readonly = (mp->m_flags & XFS_MOUNT_RDONLY);
+		int	readonly = (mp->m_flags & XFS_MOUNT_RDONLY);
 
 		if (readonly)
 			mp->m_flags &= ~XFS_MOUNT_RDONLY;
@@ -530,8 +543,7 @@ xfs_log_mount(xfs_mount_t	*mp,
 			mp->m_flags |= XFS_MOUNT_RDONLY;
 		if (error) {
 			cmn_err(CE_WARN, "XFS: log mount/recovery failed: error %d", error);
-			xlog_dealloc_log(mp->m_log);
-			return error;
+			goto error;
 		}
 	}
 
@@ -540,6 +552,9 @@ xfs_log_mount(xfs_mount_t	*mp,
 
 	/* End mounting message in xfs_log_mount_finish */
 	return 0;
+error:
+	xfs_log_unmount_dealloc(mp);
+	return error;
 }	/* xfs_log_mount */
 
 /*
@@ -722,10 +737,14 @@ xfs_log_unmount_write(xfs_mount_t *mp)
 
 /*
  * Deallocate log structures for unmount/relocation.
+ *
+ * We need to stop the aild from running before we destroy
+ * and deallocate the log as the aild references the log.
  */
 void
 xfs_log_unmount_dealloc(xfs_mount_t *mp)
 {
+	xfs_trans_ail_destroy(mp);
 	xlog_dealloc_log(mp->m_log);
 }
 
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 766c01670b2c..6409b3762995 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -136,15 +136,9 @@ xfs_mount_init(void)
 		mp->m_flags |= XFS_MOUNT_NO_PERCPU_SB;
 	}
 
-	spin_lock_init(&mp->m_ail_lock);
 	spin_lock_init(&mp->m_sb_lock);
 	mutex_init(&mp->m_ilock);
 	mutex_init(&mp->m_growlock);
-	/*
-	 * Initialize the AIL.
-	 */
-	xfs_trans_ail_init(mp);
-
 	atomic_set(&mp->m_active_trans, 0);
 
 	return mp;
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 15025e01300a..f7c620ec6e69 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -219,12 +219,18 @@ extern void	xfs_icsb_sync_counters_flags(struct xfs_mount *, int);
 #define xfs_icsb_sync_counters_flags(mp, flags)	do { } while (0)
 #endif
 
+typedef struct xfs_ail {
+	xfs_ail_entry_t		xa_ail;
+	uint			xa_gen;
+	struct task_struct	*xa_task;
+	xfs_lsn_t		xa_target;
+} xfs_ail_t;
+
 typedef struct xfs_mount {
 	struct super_block	*m_super;
 	xfs_tid_t		m_tid;		/* next unused tid for fs */
 	spinlock_t		m_ail_lock;	/* fs AIL mutex */
-	xfs_ail_entry_t		m_ail;		/* fs active log item list */
-	uint			m_ail_gen;	/* fs AIL generation count */
+	xfs_ail_t		m_ail;		/* fs active log item list */
 	xfs_sb_t		m_sb;		/* copy of fs superblock */
 	spinlock_t		m_sb_lock;	/* sb counter lock */
 	struct xfs_buf		*m_sb_bp;	/* buffer for superblock */
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index bea6e2b95a90..7f40628d85c7 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -992,8 +992,9 @@ int		_xfs_trans_commit(xfs_trans_t *,
 				  int *);
 #define xfs_trans_commit(tp, flags)	_xfs_trans_commit(tp, flags, NULL)
 void		xfs_trans_cancel(xfs_trans_t *, int);
-void		xfs_trans_ail_init(struct xfs_mount *);
-xfs_lsn_t	xfs_trans_push_ail(struct xfs_mount *, xfs_lsn_t);
+int		xfs_trans_ail_init(struct xfs_mount *);
+void		xfs_trans_ail_destroy(struct xfs_mount *);
+void		xfs_trans_push_ail(struct xfs_mount *, xfs_lsn_t);
 xfs_lsn_t	xfs_trans_tail_ail(struct xfs_mount *);
 void		xfs_trans_unlocked_item(struct xfs_mount *,
 					xfs_log_item_t *);
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 2d3c297259c2..7ed7425478de 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -57,7 +57,7 @@ xfs_trans_tail_ail(
 	xfs_log_item_t	*lip;
 
 	spin_lock(&mp->m_ail_lock);
-	lip = xfs_ail_min(&(mp->m_ail));
+	lip = xfs_ail_min(&(mp->m_ail.xa_ail));
 	if (lip == NULL) {
 		lsn = (xfs_lsn_t)0;
 	} else {
@@ -71,119 +71,185 @@ xfs_trans_tail_ail(
 /*
  * xfs_trans_push_ail
  *
- * This routine is called to move the tail of the AIL
- * forward.  It does this by trying to flush items in the AIL
- * whose lsns are below the given threshold_lsn.
+ * This routine is called to move the tail of the AIL forward.  It does this by
+ * trying to flush items in the AIL whose lsns are below the given
+ * threshold_lsn.
  *
- * The routine returns the lsn of the tail of the log.
+ * the push is run asynchronously in a separate thread, so we return the tail
+ * of the log right now instead of the tail after the push. This means we will
+ * either continue right away, or we will sleep waiting on the async thread to
+ * do it's work.
+ *
+ * We do this unlocked - we only need to know whether there is anything in the
+ * AIL at the time we are called. We don't need to access the contents of
+ * any of the objects, so the lock is not needed.
  */
-xfs_lsn_t
+void
 xfs_trans_push_ail(
 	xfs_mount_t		*mp,
 	xfs_lsn_t		threshold_lsn)
 {
-	xfs_lsn_t		lsn;
 	xfs_log_item_t		*lip;
-	int			gen;
-	int			restarts;
-	int			lock_result;
-	int			flush_log;
 
-#define	XFS_TRANS_PUSH_AIL_RESTARTS	1000
+	lip = xfs_ail_min(&mp->m_ail.xa_ail);
+	if (lip && !XFS_FORCED_SHUTDOWN(mp)) {
+		if (XFS_LSN_CMP(threshold_lsn, mp->m_ail.xa_target) > 0)
+			xfsaild_wakeup(mp, threshold_lsn);
+	}
+}
+
+/*
+ * Return the item in the AIL with the current lsn.
+ * Return the current tree generation number for use
+ * in calls to xfs_trans_next_ail().
+ */
+STATIC xfs_log_item_t *
+xfs_trans_first_push_ail(
+	xfs_mount_t	*mp,
+	int		*gen,
+	xfs_lsn_t	lsn)
+{
+	xfs_log_item_t	*lip;
+
+	lip = xfs_ail_min(&(mp->m_ail.xa_ail));
+	*gen = (int)mp->m_ail.xa_gen;
+	if (lsn == 0)
+		return lip;
+
+	while (lip && (XFS_LSN_CMP(lip->li_lsn, lsn) < 0))
+		lip = lip->li_ail.ail_forw;
+
+	return lip;
+}
+
+/*
+ * Function that does the work of pushing on the AIL
+ */
+long
+xfsaild_push(
+	xfs_mount_t	*mp,
+	xfs_lsn_t	*last_lsn)
+{
+	long		tout = 1000; /* milliseconds */
+	xfs_lsn_t	last_pushed_lsn = *last_lsn;
+	xfs_lsn_t	target =  mp->m_ail.xa_target;
+	xfs_lsn_t	lsn;
+	xfs_log_item_t	*lip;
+	int		gen;
+	int		restarts;
+	int		flush_log, count, stuck;
+
+#define	XFS_TRANS_PUSH_AIL_RESTARTS	10
 
 	spin_lock(&mp->m_ail_lock);
-	lip = xfs_trans_first_ail(mp, &gen);
-	if (lip == NULL || XFS_FORCED_SHUTDOWN(mp)) {
+	lip = xfs_trans_first_push_ail(mp, &gen, *last_lsn);
+	if (!lip || XFS_FORCED_SHUTDOWN(mp)) {
 		/*
-		 * Just return if the AIL is empty.
+		 * AIL is empty or our push has reached the end.
 		 */
 		spin_unlock(&mp->m_ail_lock);
-		return (xfs_lsn_t)0;
+		last_pushed_lsn = 0;
+		goto out;
 	}
 
 	XFS_STATS_INC(xs_push_ail);
 
 	/*
 	 * While the item we are looking at is below the given threshold
-	 * try to flush it out.  Make sure to limit the number of times
-	 * we allow xfs_trans_next_ail() to restart scanning from the
-	 * beginning of the list.  We'd like not to stop until we've at least
+	 * try to flush it out. We'd like not to stop until we've at least
 	 * tried to push on everything in the AIL with an LSN less than
-	 * the given threshold. However, we may give up before that if
-	 * we realize that we've been holding the AIL lock for 'too long',
-	 * blocking interrupts. Currently, too long is < 500us roughly.
+	 * the given threshold.
+	 *
+	 * However, we will stop after a certain number of pushes and wait
+	 * for a reduced timeout to fire before pushing further. This
+	 * prevents use from spinning when we can't do anything or there is
+	 * lots of contention on the AIL lists.
 	 */
-	flush_log = 0;
-	restarts = 0;
-	while (((restarts < XFS_TRANS_PUSH_AIL_RESTARTS) &&
-		(XFS_LSN_CMP(lip->li_lsn, threshold_lsn) < 0))) {
+	tout = 10;
+	lsn = lip->li_lsn;
+	flush_log = stuck = count = restarts = 0;
+	while ((XFS_LSN_CMP(lip->li_lsn, target) < 0)) {
+		int	lock_result;
 		/*
-		 * If we can lock the item without sleeping, unlock
-		 * the AIL lock and flush the item.  Then re-grab the
-		 * AIL lock so we can look for the next item on the
-		 * AIL.  Since we unlock the AIL while we flush the
-		 * item, the next routine may start over again at the
-		 * the beginning of the list if anything has changed.
-		 * That is what the generation count is for.
+		 * If we can lock the item without sleeping, unlock the AIL
+		 * lock and flush the item.  Then re-grab the AIL lock so we
+		 * can look for the next item on the AIL. List changes are
+		 * handled by the AIL lookup functions internally
 		 *
-		 * If we can't lock the item, either its holder will flush
-		 * it or it is already being flushed or it is being relogged.
-		 * In any of these case it is being taken care of and we
-		 * can just skip to the next item in the list.
+		 * If we can't lock the item, either its holder will flush it
+		 * or it is already being flushed or it is being relogged.  In
+		 * any of these case it is being taken care of and we can just
+		 * skip to the next item in the list.
 		 */
 		lock_result = IOP_TRYLOCK(lip);
+		spin_unlock(&mp->m_ail_lock);
 		switch (lock_result) {
-		      case XFS_ITEM_SUCCESS:
-			spin_unlock(&mp->m_ail_lock);
+		case XFS_ITEM_SUCCESS:
 			XFS_STATS_INC(xs_push_ail_success);
 			IOP_PUSH(lip);
-			spin_lock(&mp->m_ail_lock);
+			last_pushed_lsn = lsn;
 			break;
 
-		      case XFS_ITEM_PUSHBUF:
-			spin_unlock(&mp->m_ail_lock);
+		case XFS_ITEM_PUSHBUF:
 			XFS_STATS_INC(xs_push_ail_pushbuf);
-#ifdef XFSRACEDEBUG
-			delay_for_intr();
-			delay(300);
-#endif
-			ASSERT(lip->li_ops->iop_pushbuf);
-			ASSERT(lip);
 			IOP_PUSHBUF(lip);
-			spin_lock(&mp->m_ail_lock);
+			last_pushed_lsn = lsn;
 			break;
 
-		      case XFS_ITEM_PINNED:
+		case XFS_ITEM_PINNED:
 			XFS_STATS_INC(xs_push_ail_pinned);
+			stuck++;
 			flush_log = 1;
 			break;
 
-		      case XFS_ITEM_LOCKED:
+		case XFS_ITEM_LOCKED:
 			XFS_STATS_INC(xs_push_ail_locked);
+			last_pushed_lsn = lsn;
+			stuck++;
 			break;
 
-		      case XFS_ITEM_FLUSHING:
+		case XFS_ITEM_FLUSHING:
 			XFS_STATS_INC(xs_push_ail_flushing);
+			last_pushed_lsn = lsn;
+			stuck++;
 			break;
 
-		      default:
+		default:
 			ASSERT(0);
 			break;
 		}
 
-		lip = xfs_trans_next_ail(mp, lip, &gen, &restarts);
-		if (lip == NULL) {
+		spin_lock(&mp->m_ail_lock);
+		/* should we bother continuing? */
+		if (XFS_FORCED_SHUTDOWN(mp))
 			break;
-		}
-		if (XFS_FORCED_SHUTDOWN(mp)) {
-			/*
-			 * Just return if we shut down during the last try.
-			 */
-			spin_unlock(&mp->m_ail_lock);
-			return (xfs_lsn_t)0;
-		}
+		ASSERT(mp->m_log);
 
+		count++;
+
+		/*
+		 * Are there too many items we can't do anything with?
+		 * If we we are skipping too many items because we can't flush
+		 * them or they are already being flushed, we back off and
+		 * given them time to complete whatever operation is being
+		 * done. i.e. remove pressure from the AIL while we can't make
+		 * progress so traversals don't slow down further inserts and
+		 * removals to/from the AIL.
+		 *
+		 * The value of 100 is an arbitrary magic number based on
+		 * observation.
+		 */
+		if (stuck > 100)
+			break;
+
+		lip = xfs_trans_next_ail(mp, lip, &gen, &restarts);
+		if (lip == NULL)
+			break;
+		if (restarts > XFS_TRANS_PUSH_AIL_RESTARTS)
+			break;
+		lsn = lip->li_lsn;
 	}
+	spin_unlock(&mp->m_ail_lock);
 
 	if (flush_log) {
 		/*
@@ -191,22 +257,35 @@ xfs_trans_push_ail(
 		 * push out the log so it will become unpinned and
 		 * move forward in the AIL.
 		 */
-		spin_unlock(&mp->m_ail_lock);
 		XFS_STATS_INC(xs_push_ail_flush);
 		xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE);
-		spin_lock(&mp->m_ail_lock);
 	}
 
-	lip = xfs_ail_min(&(mp->m_ail));
-	if (lip == NULL) {
-		lsn = (xfs_lsn_t)0;
-	} else {
-		lsn = lip->li_lsn;
+	/*
+	 * We reached the target so wait a bit longer for I/O to complete and
+	 * remove pushed items from the AIL before we start the next scan from
+	 * the start of the AIL.
+	 */
+	if ((XFS_LSN_CMP(lsn, target) >= 0)) {
+		tout += 20;
+		last_pushed_lsn = 0;
+	} else if ((restarts > XFS_TRANS_PUSH_AIL_RESTARTS) ||
+		   (count && ((stuck * 100) / count > 90))) {
+		/*
+		 * Either there is a lot of contention on the AIL or we
+		 * are stuck due to operations in progress. "Stuck" in this
+		 * case is defined as >90% of the items we tried to push
+		 * were stuck.
+		 *
+		 * Backoff a bit more to allow some I/O to complete before
+		 * continuing from where we were.
+		 */
+		tout += 10;
 	}
-
-	spin_unlock(&mp->m_ail_lock);
-	return lsn;
-}	/* xfs_trans_push_ail */
+out:
+	*last_lsn = last_pushed_lsn;
+	return tout;
+}	/* xfsaild_push */
 
 
 /*
@@ -247,7 +326,7 @@ xfs_trans_unlocked_item(
 	 * the call to xfs_log_move_tail() doesn't do anything if there's
 	 * not enough free space to wake people up so we're safe calling it.
 	 */
-	min_lip = xfs_ail_min(&mp->m_ail);
+	min_lip = xfs_ail_min(&mp->m_ail.xa_ail);
 
 	if (min_lip == lip)
 		xfs_log_move_tail(mp, 1);
@@ -279,7 +358,7 @@ xfs_trans_update_ail(
 	xfs_log_item_t		*dlip=NULL;
 	xfs_log_item_t		*mlip;	/* ptr to minimum lip */
 
-	ailp = &(mp->m_ail);
+	ailp = &(mp->m_ail.xa_ail);
 	mlip = xfs_ail_min(ailp);
 
 	if (lip->li_flags & XFS_LI_IN_AIL) {
@@ -292,10 +371,10 @@ xfs_trans_update_ail(
 	lip->li_lsn = lsn;
 
 	xfs_ail_insert(ailp, lip);
-	mp->m_ail_gen++;
+	mp->m_ail.xa_gen++;
 
 	if (mlip == dlip) {
-		mlip = xfs_ail_min(&(mp->m_ail));
+		mlip = xfs_ail_min(&(mp->m_ail.xa_ail));
 		spin_unlock(&mp->m_ail_lock);
 		xfs_log_move_tail(mp, mlip->li_lsn);
 	} else {
@@ -330,7 +409,7 @@ xfs_trans_delete_ail(
 	xfs_log_item_t		*mlip;
 
 	if (lip->li_flags & XFS_LI_IN_AIL) {
-		ailp = &(mp->m_ail);
+		ailp = &(mp->m_ail.xa_ail);
 		mlip = xfs_ail_min(ailp);
 		dlip = xfs_ail_delete(ailp, lip);
 		ASSERT(dlip == lip);
@@ -338,10 +417,10 @@ xfs_trans_delete_ail(
 
 		lip->li_flags &= ~XFS_LI_IN_AIL;
 		lip->li_lsn = 0;
-		mp->m_ail_gen++;
+		mp->m_ail.xa_gen++;
 
 		if (mlip == dlip) {
-			mlip = xfs_ail_min(&(mp->m_ail));
+			mlip = xfs_ail_min(&(mp->m_ail.xa_ail));
 			spin_unlock(&mp->m_ail_lock);
 			xfs_log_move_tail(mp, (mlip ? mlip->li_lsn : 0));
 		} else {
@@ -379,10 +458,10 @@ xfs_trans_first_ail(
 {
 	xfs_log_item_t	*lip;
 
-	lip = xfs_ail_min(&(mp->m_ail));
-	*gen = (int)mp->m_ail_gen;
+	lip = xfs_ail_min(&(mp->m_ail.xa_ail));
+	*gen = (int)mp->m_ail.xa_gen;
 
-	return (lip);
+	return lip;
 }
 
 /*
@@ -402,11 +481,11 @@ xfs_trans_next_ail(
 	xfs_log_item_t	*nlip;
 
 	ASSERT(mp && lip && gen);
-	if (mp->m_ail_gen == *gen) {
-		nlip = xfs_ail_next(&(mp->m_ail), lip);
+	if (mp->m_ail.xa_gen == *gen) {
+		nlip = xfs_ail_next(&(mp->m_ail.xa_ail), lip);
 	} else {
-		nlip = xfs_ail_min(&(mp->m_ail));
-		*gen = (int)mp->m_ail_gen;
+		nlip = xfs_ail_min(&(mp->m_ail).xa_ail);
+		*gen = (int)mp->m_ail.xa_gen;
 		if (restarts != NULL) {
 			XFS_STATS_INC(xs_push_ail_restarts);
 			(*restarts)++;
@@ -431,12 +510,20 @@ xfs_trans_next_ail(
 /*
  * Initialize the doubly linked list to point only to itself.
  */
-void
+int
 xfs_trans_ail_init(
 	xfs_mount_t	*mp)
 {
-	mp->m_ail.ail_forw = (xfs_log_item_t*)&(mp->m_ail);
-	mp->m_ail.ail_back = (xfs_log_item_t*)&(mp->m_ail);
+	mp->m_ail.xa_ail.ail_forw = (xfs_log_item_t*)&mp->m_ail.xa_ail;
+	mp->m_ail.xa_ail.ail_back = (xfs_log_item_t*)&mp->m_ail.xa_ail;
+	return xfsaild_start(mp);
+}
+
+void
+xfs_trans_ail_destroy(
+	xfs_mount_t	*mp)
+{
+	xfsaild_stop(mp);
 }
 
 /*
diff --git a/fs/xfs/xfs_trans_priv.h b/fs/xfs/xfs_trans_priv.h
index c40f0512097a..3c748c456ed4 100644
--- a/fs/xfs/xfs_trans_priv.h
+++ b/fs/xfs/xfs_trans_priv.h
@@ -57,4 +57,12 @@ struct xfs_log_item	*xfs_trans_next_ail(struct xfs_mount *,
 				     struct xfs_log_item *, int *, int *);
 
 
+/*
+ * AIL push thread support
+ */
+long	xfsaild_push(struct xfs_mount *, xfs_lsn_t *);
+void	xfsaild_wakeup(struct xfs_mount *, xfs_lsn_t);
+int	xfsaild_start(struct xfs_mount *);
+void	xfsaild_stop(struct xfs_mount *);
+
 #endif	/* __XFS_TRANS_PRIV_H__ */