[PATCH 07/11] xfs: report symlink block corruption errors to the health system

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From: Darrick J. Wong <djwong@xxxxxxxxxx>

Whenever we encounter corrupt symbolic link blocks, we should report
that to the health monitoring system for later reporting.

Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
 fs/xfs/xfs_symlink.c |   12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)


diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
index 8241c0fcd0ba..90de8991cd94 100644
--- a/fs/xfs/xfs_symlink.c
+++ b/fs/xfs/xfs_symlink.c
@@ -23,6 +23,7 @@
 #include "xfs_trans.h"
 #include "xfs_ialloc.h"
 #include "xfs_error.h"
+#include "xfs_health.h"
 
 /* ----- Kernel only functions below ----- */
 int
@@ -57,6 +58,8 @@ xfs_readlink_bmap_ilocked(
 
 		error = xfs_buf_read(mp->m_ddev_targp, d, BTOBB(byte_cnt), 0,
 				&bp, &xfs_symlink_buf_ops);
+		if (xfs_metadata_is_sick(error))
+			xfs_inode_mark_sick(ip, XFS_SICK_INO_SYMLINK);
 		if (error)
 			return error;
 		byte_cnt = XFS_SYMLINK_BUF_SPACE(mp, byte_cnt);
@@ -67,6 +70,7 @@ xfs_readlink_bmap_ilocked(
 		if (xfs_has_crc(mp)) {
 			if (!xfs_symlink_hdr_ok(ip->i_ino, offset,
 							byte_cnt, bp)) {
+				xfs_inode_mark_sick(ip, XFS_SICK_INO_SYMLINK);
 				error = -EFSCORRUPTED;
 				xfs_alert(mp,
 "symlink header does not match required off/len/owner (0x%x/Ox%x,0x%llx)",
@@ -120,6 +124,7 @@ xfs_readlink(
 			 __func__, (unsigned long long) ip->i_ino,
 			 (long long) pathlen);
 		ASSERT(0);
+		xfs_inode_mark_sick(ip, XFS_SICK_INO_SYMLINK);
 		goto out;
 	}
 
@@ -128,8 +133,10 @@ xfs_readlink(
 		 * The VFS crashes on a NULL pointer, so return -EFSCORRUPTED
 		 * if if_data is junk.
 		 */
-		if (XFS_IS_CORRUPT(ip->i_mount, !ip->i_df.if_u1.if_data))
+		if (XFS_IS_CORRUPT(ip->i_mount, !ip->i_df.if_u1.if_data)) {
+			xfs_inode_mark_sick(ip, XFS_SICK_INO_SYMLINK);
 			goto out;
+		}
 
 		memcpy(link, ip->i_df.if_u1.if_data, pathlen + 1);
 		error = 0;
@@ -139,6 +146,8 @@ xfs_readlink(
 
  out:
 	xfs_iunlock(ip, XFS_ILOCK_SHARED);
+	if (error == -EFSCORRUPTED)
+		xfs_inode_mark_sick(ip, XFS_SICK_INO_SYMLINK);
 	return error;
 }
 
@@ -494,6 +503,7 @@ xfs_inactive_symlink(
 			 __func__, (unsigned long long)ip->i_ino, pathlen);
 		xfs_iunlock(ip, XFS_ILOCK_EXCL);
 		ASSERT(0);
+		xfs_inode_mark_sick(ip, XFS_SICK_INO_SYMLINK);
 		return -EFSCORRUPTED;
 	}
 




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