diff mbox series

[14/26] xfs: record health problems with the metadata directory

Message ID 172437085417.57482.10297933158673089064.stgit@frogsfrogsfrogs (mailing list archive)
State Accepted, archived
Headers show
Series [01/26] xfs: define the on-disk format for the metadir feature | expand

Commit Message

Darrick J. Wong Aug. 23, 2024, 12:05 a.m. UTC 
From: Darrick J. Wong <djwong@kernel.org>

Make a report to the health monitoring subsystem any time we encounter
something in the metadata directory tree that looks like corruption.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
 fs/xfs/libxfs/xfs_fs.h      |    1 +
 fs/xfs/libxfs/xfs_health.h  |    4 +++-
 fs/xfs/libxfs/xfs_metadir.c |   13 ++++++++++---
 fs/xfs/xfs_health.c         |    1 +
 fs/xfs/xfs_icache.c         |    1 +
 fs/xfs/xfs_inode.c          |    1 +
 6 files changed, 17 insertions(+), 4 deletions(-)

Comments

Christoph Hellwig Aug. 23, 2024, 4:43 a.m. UTC | #1 
Looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>
diff mbox series

Patch

diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h
index cb7563d330d0f..6f5aebaf47ac8 100644
--- a/fs/xfs/libxfs/xfs_fs.h
+++ b/fs/xfs/libxfs/xfs_fs.h
@@ -197,6 +197,7 @@  struct xfs_fsop_geom {
 #define XFS_FSOP_GEOM_SICK_RT_SUMMARY	(1 << 5)  /* realtime summary */
 #define XFS_FSOP_GEOM_SICK_QUOTACHECK	(1 << 6)  /* quota counts */
 #define XFS_FSOP_GEOM_SICK_NLINKS	(1 << 7)  /* inode link counts */
+#define XFS_FSOP_GEOM_SICK_METADIR	(1 << 8)  /* metadata directory */
 
 /* Output for XFS_FS_COUNTS */
 typedef struct xfs_fsop_counts {
diff --git a/fs/xfs/libxfs/xfs_health.h b/fs/xfs/libxfs/xfs_health.h
index b0edb4288e592..0ded0cd93ce63 100644
--- a/fs/xfs/libxfs/xfs_health.h
+++ b/fs/xfs/libxfs/xfs_health.h
@@ -60,6 +60,7 @@  struct xfs_da_args;
 #define XFS_SICK_FS_PQUOTA	(1 << 3)  /* project quota */
 #define XFS_SICK_FS_QUOTACHECK	(1 << 4)  /* quota counts */
 #define XFS_SICK_FS_NLINKS	(1 << 5)  /* inode link counts */
+#define XFS_SICK_FS_METADIR	(1 << 6)  /* metadata directory tree */
 
 /* Observable health issues for realtime volume metadata. */
 #define XFS_SICK_RT_BITMAP	(1 << 0)  /* realtime bitmap */
@@ -103,7 +104,8 @@  struct xfs_da_args;
 				 XFS_SICK_FS_GQUOTA | \
 				 XFS_SICK_FS_PQUOTA | \
 				 XFS_SICK_FS_QUOTACHECK | \
-				 XFS_SICK_FS_NLINKS)
+				 XFS_SICK_FS_NLINKS | \
+				 XFS_SICK_FS_METADIR)
 
 #define XFS_SICK_RT_PRIMARY	(XFS_SICK_RT_BITMAP | \
 				 XFS_SICK_RT_SUMMARY)
diff --git a/fs/xfs/libxfs/xfs_metadir.c b/fs/xfs/libxfs/xfs_metadir.c
index 0a61316b4f520..bae7377c0f228 100644
--- a/fs/xfs/libxfs/xfs_metadir.c
+++ b/fs/xfs/libxfs/xfs_metadir.c
@@ -28,6 +28,7 @@ 
 #include "xfs_dir2.h"
 #include "xfs_dir2_priv.h"
 #include "xfs_parent.h"
+#include "xfs_health.h"
 
 /*
  * Metadata Directory Tree
@@ -94,8 +95,10 @@  xfs_metadir_lookup(
 	};
 	int			error;
 
-	if (!S_ISDIR(VFS_I(dp)->i_mode))
+	if (!S_ISDIR(VFS_I(dp)->i_mode)) {
+		xfs_fs_mark_sick(mp, XFS_SICK_FS_METADIR);
 		return -EFSCORRUPTED;
+	}
 	if (xfs_is_shutdown(mp))
 		return -EIO;
 
@@ -103,10 +106,14 @@  xfs_metadir_lookup(
 	if (error)
 		return error;
 
-	if (!xfs_verify_ino(mp, args.inumber))
+	if (!xfs_verify_ino(mp, args.inumber)) {
+		xfs_fs_mark_sick(mp, XFS_SICK_FS_METADIR);
 		return -EFSCORRUPTED;
-	if (xname->type != XFS_DIR3_FT_UNKNOWN && xname->type != args.filetype)
+	}
+	if (xname->type != XFS_DIR3_FT_UNKNOWN && xname->type != args.filetype) {
+		xfs_fs_mark_sick(mp, XFS_SICK_FS_METADIR);
 		return -EFSCORRUPTED;
+	}
 
 	trace_xfs_metadir_lookup(dp, xname, args.inumber);
 	*ino = args.inumber;
diff --git a/fs/xfs/xfs_health.c b/fs/xfs/xfs_health.c
index 10f116d093a22..d5367fd2d0615 100644
--- a/fs/xfs/xfs_health.c
+++ b/fs/xfs/xfs_health.c
@@ -376,6 +376,7 @@  static const struct ioctl_sick_map fs_map[] = {
 	{ XFS_SICK_FS_PQUOTA,	XFS_FSOP_GEOM_SICK_PQUOTA },
 	{ XFS_SICK_FS_QUOTACHECK, XFS_FSOP_GEOM_SICK_QUOTACHECK },
 	{ XFS_SICK_FS_NLINKS,	XFS_FSOP_GEOM_SICK_NLINKS },
+	{ XFS_SICK_FS_METADIR,	XFS_FSOP_GEOM_SICK_METADIR },
 	{ 0, 0 },
 };
 
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index c5ccfbbb98c5c..321efbf6656fa 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -858,6 +858,7 @@  xfs_trans_metafile_iget(
 whine:
 	xfs_err(mp, "metadata inode 0x%llx type %u is corrupt", ino,
 			metafile_type);
+	xfs_fs_mark_sick(mp, XFS_SICK_FS_METADIR);
 	return -EFSCORRUPTED;
 }
 
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 35acb73665fdd..fff3037e67574 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -560,6 +560,7 @@  xfs_lookup(
 	 * a metadata file.
 	 */
 	if (XFS_IS_CORRUPT(dp->i_mount, xfs_is_metadir_inode(*ipp))) {
+		xfs_fs_mark_sick(dp->i_mount, XFS_SICK_FS_METADIR);
 		error = -EFSCORRUPTED;
 		goto out_irele;
 	}