Merge branch 'xfs-efi-rework' into for-next

1 files changed, 30 insertions, 7 deletions

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 6b5a84a05340..aaadee0969c9 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -700,6 +700,7 @@ xfs_log_mount(
 		if (error) {
 			xfs_warn(mp, "log mount/recovery failed: error %d",
 				error);
+			xlog_recover_cancel(mp->m_log);
 			goto out_destroy_ail;
 		}
 	}
@@ -740,18 +741,35 @@ out:
  * it.
  */
 int
-xfs_log_mount_finish(xfs_mount_t *mp)
+xfs_log_mount_finish(
+	struct xfs_mount	*mp)
 {
 	int	error = 0;
 
-	if (!(mp->m_flags & XFS_MOUNT_NORECOVERY)) {
-		error = xlog_recover_finish(mp->m_log);
-		if (!error)
-			xfs_log_work_queue(mp);
-	} else {
+	if (mp->m_flags & XFS_MOUNT_NORECOVERY) {
 		ASSERT(mp->m_flags & XFS_MOUNT_RDONLY);
+		return 0;
 	}
 
+	error = xlog_recover_finish(mp->m_log);
+	if (!error)
+		xfs_log_work_queue(mp);
+
+	return error;
+}
+
+/*
+ * The mount has failed. Cancel the recovery if it hasn't completed and destroy
+ * the log.
+ */
+int
+xfs_log_mount_cancel(
+	struct xfs_mount	*mp)
+{
+	int			error;
+
+	error = xlog_recover_cancel(mp->m_log);
+	xfs_log_unmount(mp);
 
 	return error;
 }
@@ -1654,8 +1672,13 @@ xlog_cksum(
 	if (xfs_sb_version_haslogv2(&log->l_mp->m_sb)) {
 		union xlog_in_core2 *xhdr = (union xlog_in_core2 *)rhead;
 		int		i;
+		int		xheads;
+
+		xheads = size / XLOG_HEADER_CYCLE_SIZE;
+		if (size % XLOG_HEADER_CYCLE_SIZE)
+			xheads++;
 
-		for (i = 1; i < log->l_iclog_heads; i++) {
+		for (i = 1; i < xheads; i++) {
 			crc = crc32c(crc, &xhdr[i].hic_xheader,
 				     sizeof(struct xlog_rec_ext_header));
 		}