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[1/9] xfs: separate the marking of sick and checked metadata

Message ID 170404991964.1794070.12630596075242155480.stgit@frogsfrogsfrogs (mailing list archive)
State Superseded
Headers show
Series [1/9] xfs: separate the marking of sick and checked metadata | expand

Commit Message

Darrick J. Wong Dec. 31, 2023, 10:11 p.m. UTC 
From: Darrick J. Wong <djwong@kernel.org>

Split the setting of the sick and checked masks into separate functions
as part of preparing to add the ability for regular runtime fs code
(i.e. not scrub) to mark metadata structures sick when corruptions are
found.  Improve the documentation of libxfs' requirements for helper
behavior.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
 libxfs/xfs_health.h |   16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)
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Patch

diff --git a/libxfs/xfs_health.h b/libxfs/xfs_health.h
index 2bfe2dc404a..2b40fe81657 100644
--- a/libxfs/xfs_health.h
+++ b/libxfs/xfs_health.h
@@ -111,24 +111,38 @@  struct xfs_fsop_geom;
 				 XFS_SICK_INO_DIR_ZAPPED | \
 				 XFS_SICK_INO_SYMLINK_ZAPPED)
 
-/* These functions must be provided by the xfs implementation. */
+/*
+ * These functions must be provided by the xfs implementation.  Function
+ * behavior with respect to the first argument should be as follows:
+ *
+ * xfs_*_mark_sick:    set the sick flags and do not set checked flags.
+ * xfs_*_mark_checked: set the checked flags.
+ * xfs_*_mark_healthy: clear the sick flags and set the checked flags.
+ *
+ * xfs_*_measure_sickness: return the sick and check status in the provided
+ * out parameters.
+ */
 
 void xfs_fs_mark_sick(struct xfs_mount *mp, unsigned int mask);
+void xfs_fs_mark_checked(struct xfs_mount *mp, unsigned int mask);
 void xfs_fs_mark_healthy(struct xfs_mount *mp, unsigned int mask);
 void xfs_fs_measure_sickness(struct xfs_mount *mp, unsigned int *sick,
 		unsigned int *checked);
 
 void xfs_rt_mark_sick(struct xfs_mount *mp, unsigned int mask);
+void xfs_rt_mark_checked(struct xfs_mount *mp, unsigned int mask);
 void xfs_rt_mark_healthy(struct xfs_mount *mp, unsigned int mask);
 void xfs_rt_measure_sickness(struct xfs_mount *mp, unsigned int *sick,
 		unsigned int *checked);
 
 void xfs_ag_mark_sick(struct xfs_perag *pag, unsigned int mask);
+void xfs_ag_mark_checked(struct xfs_perag *pag, unsigned int mask);
 void xfs_ag_mark_healthy(struct xfs_perag *pag, unsigned int mask);
 void xfs_ag_measure_sickness(struct xfs_perag *pag, unsigned int *sick,
 		unsigned int *checked);
 
 void xfs_inode_mark_sick(struct xfs_inode *ip, unsigned int mask);
+void xfs_inode_mark_checked(struct xfs_inode *ip, unsigned int mask);
 void xfs_inode_mark_healthy(struct xfs_inode *ip, unsigned int mask);
 void xfs_inode_measure_sickness(struct xfs_inode *ip, unsigned int *sick,
 		unsigned int *checked);