@@ -682,9 +682,10 @@ struct xfs_scrub_metadata {
#define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */
#define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */
#define XFS_SCRUB_TYPE_FSCOUNTERS 24 /* fs summary counters */
+#define XFS_SCRUB_TYPE_HEALTHY 25 /* everything checked out ok */
/* Number of scrub subcommands. */
-#define XFS_SCRUB_TYPE_NR 25
+#define XFS_SCRUB_TYPE_NR 26
/* i: Repair this metadata. */
#define XFS_SCRUB_IFLAG_REPAIR (1 << 0)
@@ -7,11 +7,14 @@
#include "xfs_fs.h"
#include "xfs_shared.h"
#include "xfs_format.h"
+#include "xfs_trans_resv.h"
+#include "xfs_mount.h"
#include "xfs_btree.h"
#include "xfs_sb.h"
#include "xfs_health.h"
#include "scrub/scrub.h"
#include "scrub/health.h"
+#include "scrub/common.h"
/*
* Scrub and In-Core Filesystem Health Assessments
@@ -113,6 +116,28 @@ xchk_health_mask_for_scrub_type(
return type_to_health_flag[scrub_type].sick_mask;
}
+/*
+ * Scrub gave the filesystem a clean bill of health, so clear all the indirect
+ * markers of past problems (at least for the fs and ags) so that we can be
+ * healthy again.
+ */
+STATIC void
+xchk_mark_all_healthy(
+ struct xfs_mount *mp)
+{
+ struct xfs_perag *pag;
+ xfs_agnumber_t agno;
+ int error = 0;
+
+ xfs_fs_mark_healthy(mp, XFS_SICK_FS_INDIRECT);
+ xfs_rt_mark_healthy(mp, XFS_SICK_RT_INDIRECT);
+ for (agno = 0; error == 0 && agno < mp->m_sb.sb_agcount; agno++) {
+ pag = xfs_perag_get(mp, agno);
+ xfs_ag_mark_healthy(pag, XFS_SICK_AG_INDIRECT);
+ xfs_perag_put(pag);
+ }
+}
+
/*
* Update filesystem health assessments based on what we found and did.
*
@@ -130,6 +155,18 @@ xchk_update_health(
struct xfs_perag *pag;
bool bad;
+ /*
+ * The HEALTHY scrub type is a request from userspace to clear all the
+ * indirect flags after a clean scan of the entire filesystem. As such
+ * there's no sick flag defined for it, so we branch here ahead of the
+ * mask check.
+ */
+ if (sc->sm->sm_type == XFS_SCRUB_TYPE_HEALTHY &&
+ !(sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)) {
+ xchk_mark_all_healthy(sc->mp);
+ return;
+ }
+
if (!sc->sick_mask)
return;
@@ -252,3 +289,37 @@ xchk_ag_btree_healthy_enough(
return true;
}
+
+/*
+ * Quick scan to double-check that there isn't any evidence of lingering
+ * primary health problems. If we're still clear, then the health update will
+ * take care of clearing the indirect evidence.
+ */
+int
+xchk_health_record(
+ struct xfs_scrub *sc)
+{
+ struct xfs_mount *mp = sc->mp;
+ struct xfs_perag *pag;
+ xfs_agnumber_t agno;
+ unsigned int sick;
+ unsigned int checked;
+
+ xfs_fs_measure_sickness(mp, &sick, &checked);
+ if (sick & XFS_SICK_FS_PRIMARY)
+ xchk_set_corrupt(sc);
+
+ xfs_rt_measure_sickness(mp, &sick, &checked);
+ if (sick & XFS_SICK_RT_PRIMARY)
+ xchk_set_corrupt(sc);
+
+ for (agno = 0; agno < mp->m_sb.sb_agcount; agno++) {
+ pag = xfs_perag_get(mp, agno);
+ xfs_ag_measure_sickness(pag, &sick, &checked);
+ if (sick & XFS_SICK_AG_PRIMARY)
+ xchk_set_corrupt(sc);
+ xfs_perag_put(pag);
+ }
+
+ return 0;
+}
@@ -10,5 +10,6 @@ unsigned int xchk_health_mask_for_scrub_type(__u32 scrub_type);
void xchk_update_health(struct xfs_scrub *sc);
bool xchk_ag_btree_healthy_enough(struct xfs_scrub *sc, struct xfs_perag *pag,
xfs_btnum_t btnum);
+int xchk_health_record(struct xfs_scrub *sc);
#endif /* __XFS_SCRUB_HEALTH_H__ */
@@ -29,6 +29,7 @@
#include "xfs_extfree_item.h"
#include "xfs_attr.h"
#include "xfs_reflink.h"
+#include "xfs_health.h"
#include "scrub/scrub.h"
#include "scrub/common.h"
#include "scrub/trace.h"
@@ -343,6 +343,12 @@ static const struct xchk_meta_ops meta_scrub_ops[] = {
.scrub = xchk_fscounters,
.repair = xrep_notsupported,
},
+ [XFS_SCRUB_TYPE_HEALTHY] = { /* fs healthy; clean all reminders */
+ .type = ST_FS,
+ .setup = xchk_setup_fs,
+ .scrub = xchk_health_record,
+ .repair = xrep_notsupported,
+ },
};
/* This isn't a stable feature, warn once per day. */
@@ -77,7 +77,8 @@ TRACE_DEFINE_ENUM(XFS_SCRUB_TYPE_FSCOUNTERS);
{ XFS_SCRUB_TYPE_UQUOTA, "usrquota" }, \
{ XFS_SCRUB_TYPE_GQUOTA, "grpquota" }, \
{ XFS_SCRUB_TYPE_PQUOTA, "prjquota" }, \
- { XFS_SCRUB_TYPE_FSCOUNTERS, "fscounters" }
+ { XFS_SCRUB_TYPE_FSCOUNTERS, "fscounters" }, \
+ { XFS_SCRUB_TYPE_HEALTHY, "healthy" }
DECLARE_EVENT_CLASS(xchk_class,
TP_PROTO(struct xfs_inode *ip, struct xfs_scrub_metadata *sm,