From: Darrick J. Wong <darrick.wong@oracle.com>
Date: Mon, 3 Oct 2016 16:11:23 +0000 (-0700)
Subject: xfs: add refcount btree block detection to log recovery
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a90c00f05554e3a305cc2f4836e065368709926f;p=openwrt%2Fstaging%2Fblogic.git

xfs: add refcount btree block detection to log recovery

Identify refcountbt blocks in the log correctly so that we can
validate them during log recovery.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 7def6723b857..622881a52315 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -2245,6 +2245,7 @@ xlog_recover_get_buf_lsn(
 	case XFS_ABTB_MAGIC:
 	case XFS_ABTC_MAGIC:
 	case XFS_RMAP_CRC_MAGIC:
+	case XFS_REFC_CRC_MAGIC:
 	case XFS_IBT_CRC_MAGIC:
 	case XFS_IBT_MAGIC: {
 		struct xfs_btree_block *btb = blk;
@@ -2418,6 +2419,9 @@ xlog_recover_validate_buf_type(
 		case XFS_RMAP_CRC_MAGIC:
 			bp->b_ops = &xfs_rmapbt_buf_ops;
 			break;
+		case XFS_REFC_CRC_MAGIC:
+			bp->b_ops = &xfs_refcountbt_buf_ops;
+			break;
 		default:
 			warnmsg = "Bad btree block magic!";
 			break;