xfs: remove wrappers around b_fspriv

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>

1 files changed, 21 insertions, 30 deletions

diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 716ef09..9eacf06 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -90,13 +90,11 @@ xfs_buf_item_flush_log_debug(
 	uint		first,
 	uint		last)
 {
-	xfs_buf_log_item_t	*bip;
+	xfs_buf_log_item_t	*bip = bp->b_fspriv;
 	uint			nbytes;
 
-	bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t*);
-	if ((bip == NULL) || (bip->bli_item.li_type != XFS_LI_BUF)) {
+	if (bip == NULL || (bip->bli_item.li_type != XFS_LI_BUF))
 		return;
-	}
 
 	ASSERT(bip->bli_logged != NULL);
 	nbytes = last - first + 1;
@@ -408,7 +406,7 @@ xfs_buf_item_unpin(
 	int		stale = bip->bli_flags & XFS_BLI_STALE;
 	int		freed;
 
-	ASSERT(XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *) == bip);
+	ASSERT(bp->b_fspriv == bip);
 	ASSERT(atomic_read(&bip->bli_refcount) > 0);
 
 	trace_xfs_buf_item_unpin(bip);
@@ -454,13 +452,13 @@ xfs_buf_item_unpin(
 		 */
 		if (bip->bli_flags & XFS_BLI_STALE_INODE) {
 			xfs_buf_do_callbacks(bp);
-			XFS_BUF_SET_FSPRIVATE(bp, NULL);
+			bp->b_fspriv = NULL;
 			XFS_BUF_CLR_IODONE_FUNC(bp);
 		} else {
 			spin_lock(&ailp->xa_lock);
 			xfs_trans_ail_delete(ailp, (xfs_log_item_t *)bip);
 			xfs_buf_item_relse(bp);
-			ASSERT(XFS_BUF_FSPRIVATE(bp, void *) == NULL);
+			ASSERT(bp->b_fspriv == NULL);
 		}
 		xfs_buf_relse(bp);
 	}
@@ -684,7 +682,7 @@ xfs_buf_item_init(
 	xfs_buf_t	*bp,
 	xfs_mount_t	*mp)
 {
-	xfs_log_item_t		*lip;
+	xfs_log_item_t		*lip = bp->b_fspriv;
 	xfs_buf_log_item_t	*bip;
 	int			chunks;
 	int			map_size;
@@ -696,12 +694,8 @@ xfs_buf_item_init(
 	 * nothing to do here so return.
 	 */
 	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) {
-			return;
-		}
-	}
+	if (lip != NULL && lip->li_type == XFS_LI_BUF)
+		return;
 
 	/*
 	 * chunks is the number of XFS_BLF_CHUNK size pieces
@@ -740,11 +734,9 @@ xfs_buf_item_init(
 	 * Put the buf item into the list of items attached to the
 	 * buffer at the front.
 	 */
-	if (XFS_BUF_FSPRIVATE(bp, void *) != NULL) {
-		bip->bli_item.li_bio_list =
-				XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *);
-	}
-	XFS_BUF_SET_FSPRIVATE(bp, bip);
+	if (bp->b_fspriv)
+		bip->bli_item.li_bio_list = bp->b_fspriv;
+	bp->b_fspriv = bip;
 }
 
 
@@ -876,12 +868,11 @@ xfs_buf_item_relse(
 
 	trace_xfs_buf_item_relse(bp, _RET_IP_);
 
-	bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t*);
-	XFS_BUF_SET_FSPRIVATE(bp, bip->bli_item.li_bio_list);
-	if ((XFS_BUF_FSPRIVATE(bp, void *) == NULL) &&
-	    (XFS_BUF_IODONE_FUNC(bp) != NULL)) {
+	bip = bp->b_fspriv;
+	bp->b_fspriv = bip->bli_item.li_bio_list;
+	if (bp->b_fspriv == NULL && XFS_BUF_IODONE_FUNC(bp) != NULL)
 		XFS_BUF_CLR_IODONE_FUNC(bp);
-	}
+
 	xfs_buf_rele(bp);
 	xfs_buf_item_free(bip);
 }
@@ -908,12 +899,12 @@ xfs_buf_attach_iodone(
 	ASSERT(xfs_buf_islocked(bp));
 
 	lip->li_cb = cb;
-	if (XFS_BUF_FSPRIVATE(bp, void *) != NULL) {
-		head_lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *);
+	head_lip = bp->b_fspriv;
+	if (head_lip) {
 		lip->li_bio_list = head_lip->li_bio_list;
 		head_lip->li_bio_list = lip;
 	} else {
-		XFS_BUF_SET_FSPRIVATE(bp, lip);
+		bp->b_fspriv = lip;
 	}
 
 	ASSERT((XFS_BUF_IODONE_FUNC(bp) == xfs_buf_iodone_callbacks) ||
@@ -939,8 +930,8 @@ xfs_buf_do_callbacks(
 {
 	struct xfs_log_item	*lip;
 
-	while ((lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *)) != NULL) {
-		XFS_BUF_SET_FSPRIVATE(bp, lip->li_bio_list);
+	while ((lip = bp->b_fspriv) != NULL) {
+		bp->b_fspriv = lip->li_bio_list;
 		ASSERT(lip->li_cb != NULL);
 		/*
 		 * Clear the next pointer so we don't have any
@@ -1026,7 +1017,7 @@ xfs_buf_iodone_callbacks(
 
 do_callbacks:
 	xfs_buf_do_callbacks(bp);
-	XFS_BUF_SET_FSPRIVATE(bp, NULL);
+	bp->b_fspriv = NULL;
 	XFS_BUF_CLR_IODONE_FUNC(bp);
 	xfs_buf_ioend(bp, 0);
 }