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authorDarrick J. Wong <darrick.wong@oracle.com>2019-04-12 07:41:17 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2019-04-14 18:15:57 -0700
commitc23232d409355091502a362e99ed06f800765961 (patch)
treed4b539e0b04a2089afe27f8e89c07f4b7c096261 /fs/xfs
parent7cd5006bdb6f6d9d9d7e68aa1d96b6e4a8b68bc5 (diff)
downloadlinux-c23232d409355091502a362e99ed06f800765961.tar.bz2
xfs: report fs and rt health via geometry structure
Use our newly expanded geometry structure to report the overall fs and realtime health status. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/libxfs/xfs_fs.h11
-rw-r--r--fs/xfs/libxfs/xfs_health.h3
-rw-r--r--fs/xfs/xfs_health.c56
-rw-r--r--fs/xfs/xfs_ioctl.c5
4 files changed, 73 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h
index ee33d628a240..6b8956dbf49d 100644
--- a/fs/xfs/libxfs/xfs_fs.h
+++ b/fs/xfs/libxfs/xfs_fs.h
@@ -199,9 +199,18 @@ struct xfs_fsop_geom {
__u32 rtsectsize; /* realtime sector size, bytes */
__u32 dirblocksize; /* directory block size, bytes */
__u32 logsunit; /* log stripe unit, bytes */
- __u64 reserved[18]; /* reserved space */
+ uint32_t sick; /* o: unhealthy fs & rt metadata */
+ uint32_t checked; /* o: checked fs & rt metadata */
+ __u64 reserved[17]; /* reserved space */
};
+#define XFS_FSOP_GEOM_SICK_COUNTERS (1 << 0) /* summary counters */
+#define XFS_FSOP_GEOM_SICK_UQUOTA (1 << 1) /* user quota */
+#define XFS_FSOP_GEOM_SICK_GQUOTA (1 << 2) /* group quota */
+#define XFS_FSOP_GEOM_SICK_PQUOTA (1 << 3) /* project quota */
+#define XFS_FSOP_GEOM_SICK_RT_BITMAP (1 << 4) /* realtime bitmap */
+#define XFS_FSOP_GEOM_SICK_RT_SUMMARY (1 << 5) /* realtime summary */
+
/* Output for XFS_FS_COUNTS */
typedef struct xfs_fsop_counts {
__u64 freedata; /* free data section blocks */
diff --git a/fs/xfs/libxfs/xfs_health.h b/fs/xfs/libxfs/xfs_health.h
index 0915d20975be..3fffdcc80970 100644
--- a/fs/xfs/libxfs/xfs_health.h
+++ b/fs/xfs/libxfs/xfs_health.h
@@ -34,6 +34,7 @@
struct xfs_mount;
struct xfs_perag;
struct xfs_inode;
+struct xfs_fsop_geom;
/* Observable health issues for metadata spanning the entire filesystem. */
#define XFS_SICK_FS_COUNTERS (1 << 0) /* summary counters */
@@ -182,4 +183,6 @@ xfs_inode_is_healthy(struct xfs_inode *ip)
return !xfs_inode_has_sickness(ip, -1U);
}
+void xfs_fsop_geom_health(struct xfs_mount *mp, struct xfs_fsop_geom *geo);
+
#endif /* __XFS_HEALTH_H__ */
diff --git a/fs/xfs/xfs_health.c b/fs/xfs/xfs_health.c
index 21728228e08b..d137b8f13869 100644
--- a/fs/xfs/xfs_health.c
+++ b/fs/xfs/xfs_health.c
@@ -264,3 +264,59 @@ xfs_inode_measure_sickness(
*checked = ip->i_checked;
spin_unlock(&ip->i_flags_lock);
}
+
+/* Mappings between internal sick masks and ioctl sick masks. */
+
+struct ioctl_sick_map {
+ unsigned int sick_mask;
+ unsigned int ioctl_mask;
+};
+
+static const struct ioctl_sick_map fs_map[] = {
+ { XFS_SICK_FS_COUNTERS, XFS_FSOP_GEOM_SICK_COUNTERS},
+ { XFS_SICK_FS_UQUOTA, XFS_FSOP_GEOM_SICK_UQUOTA },
+ { XFS_SICK_FS_GQUOTA, XFS_FSOP_GEOM_SICK_GQUOTA },
+ { XFS_SICK_FS_PQUOTA, XFS_FSOP_GEOM_SICK_PQUOTA },
+ { 0, 0 },
+};
+
+static const struct ioctl_sick_map rt_map[] = {
+ { XFS_SICK_RT_BITMAP, XFS_FSOP_GEOM_SICK_RT_BITMAP },
+ { XFS_SICK_RT_SUMMARY, XFS_FSOP_GEOM_SICK_RT_SUMMARY },
+ { 0, 0 },
+};
+
+static inline void
+xfgeo_health_tick(
+ struct xfs_fsop_geom *geo,
+ unsigned int sick,
+ unsigned int checked,
+ const struct ioctl_sick_map *m)
+{
+ if (checked & m->sick_mask)
+ geo->checked |= m->ioctl_mask;
+ if (sick & m->sick_mask)
+ geo->sick |= m->ioctl_mask;
+}
+
+/* Fill out fs geometry health info. */
+void
+xfs_fsop_geom_health(
+ struct xfs_mount *mp,
+ struct xfs_fsop_geom *geo)
+{
+ const struct ioctl_sick_map *m;
+ unsigned int sick;
+ unsigned int checked;
+
+ geo->sick = 0;
+ geo->checked = 0;
+
+ xfs_fs_measure_sickness(mp, &sick, &checked);
+ for (m = fs_map; m->sick_mask; m++)
+ xfgeo_health_tick(geo, sick, checked, m);
+
+ xfs_rt_measure_sickness(mp, &sick, &checked);
+ for (m = rt_map; m->sick_mask; m++)
+ xfgeo_health_tick(geo, sick, checked, m);
+}
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index b36abd453709..ae615a79b266 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -34,6 +34,7 @@
#include "scrub/xfs_scrub.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
+#include "xfs_health.h"
#include <linux/capability.h>
#include <linux/cred.h>
@@ -797,8 +798,10 @@ xfs_ioc_fsgeometry(
len = sizeof(struct xfs_fsop_geom_v1);
else if (struct_version == 4)
len = sizeof(struct xfs_fsop_geom_v4);
- else
+ else {
+ xfs_fsop_geom_health(mp, &fsgeo);
len = sizeof(fsgeo);
+ }
if (copy_to_user(arg, &fsgeo, len))
return -EFAULT;