[PATCH 24/26] xfs: report verity failures through the health system

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From: Darrick J. Wong <djwong@xxxxxxxxxx>

Record verity failures and report them through the health system.

Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Reviewed-by: Andrey Albershteyn <aalbersh@xxxxxxxxxx>
---
 fs/xfs/libxfs/xfs_fs.h     |    1 +
 fs/xfs/libxfs/xfs_health.h |    4 +++-
 fs/xfs/xfs_fsverity.c      |   11 +++++++++++
 fs/xfs/xfs_health.c        |    1 +
 4 files changed, 16 insertions(+), 1 deletion(-)


diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h
index edc019d89702d..bc529d862af75 100644
--- a/fs/xfs/libxfs/xfs_fs.h
+++ b/fs/xfs/libxfs/xfs_fs.h
@@ -424,6 +424,7 @@ struct xfs_bulkstat {
 #define XFS_BS_SICK_SYMLINK	(1 << 6)  /* symbolic link remote target */
 #define XFS_BS_SICK_PARENT	(1 << 7)  /* parent pointers */
 #define XFS_BS_SICK_DIRTREE	(1 << 8)  /* directory tree structure */
+#define XFS_BS_SICK_DATA	(1 << 9)  /* file data */
 
 /*
  * Project quota id helpers (previously projid was 16bit only
diff --git a/fs/xfs/libxfs/xfs_health.h b/fs/xfs/libxfs/xfs_health.h
index 89b80e957917e..0f8533335e25f 100644
--- a/fs/xfs/libxfs/xfs_health.h
+++ b/fs/xfs/libxfs/xfs_health.h
@@ -105,6 +105,7 @@ struct xfs_rtgroup;
 /* Don't propagate sick status to ag health summary during inactivation */
 #define XFS_SICK_INO_FORGET	(1 << 12)
 #define XFS_SICK_INO_DIRTREE	(1 << 13)  /* directory tree structure */
+#define XFS_SICK_INO_DATA	(1 << 14)  /* file data */
 
 /* Primary evidence of health problems in a given group. */
 #define XFS_SICK_FS_PRIMARY	(XFS_SICK_FS_COUNTERS | \
@@ -143,7 +144,8 @@ struct xfs_rtgroup;
 				 XFS_SICK_INO_XATTR | \
 				 XFS_SICK_INO_SYMLINK | \
 				 XFS_SICK_INO_PARENT | \
-				 XFS_SICK_INO_DIRTREE)
+				 XFS_SICK_INO_DIRTREE | \
+				 XFS_SICK_INO_DATA)
 
 #define XFS_SICK_INO_ZAPPED	(XFS_SICK_INO_BMBTD_ZAPPED | \
 				 XFS_SICK_INO_BMBTA_ZAPPED | \
diff --git a/fs/xfs/xfs_fsverity.c b/fs/xfs/xfs_fsverity.c
index e2de99272b7da..87edf23954336 100644
--- a/fs/xfs/xfs_fsverity.c
+++ b/fs/xfs/xfs_fsverity.c
@@ -22,6 +22,7 @@
 #include "xfs_ag.h"
 #include "xfs_fsverity.h"
 #include "xfs_icache.h"
+#include "xfs_health.h"
 #include <linux/fsverity.h>
 
 /*
@@ -930,6 +931,15 @@ xfs_fsverity_drop_merkle(
 	block->context = NULL;
 }
 
+static void
+xfs_fsverity_file_corrupt(
+	struct inode		*inode,
+	loff_t			pos,
+	size_t			len)
+{
+	xfs_inode_mark_sick(XFS_I(inode), XFS_SICK_INO_DATA);
+}
+
 const struct fsverity_operations xfs_fsverity_ops = {
 	.begin_enable_verity		= xfs_fsverity_begin_enable,
 	.end_enable_verity		= xfs_fsverity_end_enable,
@@ -937,4 +947,5 @@ const struct fsverity_operations xfs_fsverity_ops = {
 	.read_merkle_tree_block		= xfs_fsverity_read_merkle,
 	.write_merkle_tree_block	= xfs_fsverity_write_merkle,
 	.drop_merkle_tree_block		= xfs_fsverity_drop_merkle,
+	.file_corrupt			= xfs_fsverity_file_corrupt,
 };
diff --git a/fs/xfs/xfs_health.c b/fs/xfs/xfs_health.c
index 33059d979857a..ce7385c207d37 100644
--- a/fs/xfs/xfs_health.c
+++ b/fs/xfs/xfs_health.c
@@ -591,6 +591,7 @@ static const struct ioctl_sick_map ino_map[] = {
 	{ XFS_SICK_INO_DIR_ZAPPED,	XFS_BS_SICK_DIR },
 	{ XFS_SICK_INO_SYMLINK_ZAPPED,	XFS_BS_SICK_SYMLINK },
 	{ XFS_SICK_INO_DIRTREE,	XFS_BS_SICK_DIRTREE },
+	{ XFS_SICK_INO_DATA,	XFS_BS_SICK_DATA },
 	{ 0, 0 },
 };
 





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