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xfs: report AG health via AG geometry ioctl

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Use the AG geometry info ioctl to report health status too.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This commit is contained in:
Darrick J. Wong 2019-04-12 07:41:18 -07:00
parent c23232d409
commit 1302c6a24f
4 changed files with 52 additions and 1 deletions
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2
fs/xfs/libxfs/xfs_ag.c
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@ -20,6 +20,7 @@
#include "xfs_rmap.h"
#include "xfs_ag.h"
#include "xfs_ag_resv.h"
#include "xfs_health.h"
static struct xfs_buf *
xfs_get_aghdr_buf(
@ -505,6 +506,7 @@ xfs_ag_get_geometry(
pag->pagf_btreeblks -
xfs_ag_resv_needed(pag, XFS_AG_RESV_NONE);
ageo->ag_freeblks = freeblks;
xfs_ag_geom_health(pag, ageo);
/* Release resources. */
xfs_perag_put(pag);

14
fs/xfs/libxfs/xfs_fs.h
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@ -285,9 +285,21 @@ struct xfs_ag_geometry {
uint32_t ag_freeblks; /* o: free space */
uint32_t ag_icount; /* o: inodes allocated */
uint32_t ag_ifree; /* o: inodes free */
uint32_t ag_sick; /* o: sick things in ag */
uint32_t ag_checked; /* o: checked metadata in ag */
uint32_t ag_reserved32; /* o: zero */
uint64_t ag_reserved[13];/* o: zero */
uint64_t ag_reserved[12];/* o: zero */
};
#define XFS_AG_GEOM_SICK_SB (1 << 0) /* superblock */
#define XFS_AG_GEOM_SICK_AGF (1 << 1) /* AGF header */
#define XFS_AG_GEOM_SICK_AGFL (1 << 2) /* AGFL header */
#define XFS_AG_GEOM_SICK_AGI (1 << 3) /* AGI header */
#define XFS_AG_GEOM_SICK_BNOBT (1 << 4) /* free space by block */
#define XFS_AG_GEOM_SICK_CNTBT (1 << 5) /* free space by length */
#define XFS_AG_GEOM_SICK_INOBT (1 << 6) /* inode index */
#define XFS_AG_GEOM_SICK_FINOBT (1 << 7) /* free inode index */
#define XFS_AG_GEOM_SICK_RMAPBT (1 << 8) /* reverse mappings */
#define XFS_AG_GEOM_SICK_REFCNTBT (1 << 9) /* reference counts */
/*
* Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT

1
fs/xfs/libxfs/xfs_health.h
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@ -184,5 +184,6 @@ xfs_inode_is_healthy(struct xfs_inode *ip)
}
void xfs_fsop_geom_health(struct xfs_mount *mp, struct xfs_fsop_geom *geo);
void xfs_ag_geom_health(struct xfs_perag *pag, struct xfs_ag_geometry *ageo);
#endif /* __XFS_HEALTH_H__ */

36
fs/xfs/xfs_health.c
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@ -320,3 +320,39 @@ xfs_fsop_geom_health(
for (m = rt_map; m->sick_mask; m++)
xfgeo_health_tick(geo, sick, checked, m);
}
static const struct ioctl_sick_map ag_map[] = {
{ XFS_SICK_AG_SB, XFS_AG_GEOM_SICK_SB },
{ XFS_SICK_AG_AGF, XFS_AG_GEOM_SICK_AGF },
{ XFS_SICK_AG_AGFL, XFS_AG_GEOM_SICK_AGFL },
{ XFS_SICK_AG_AGI, XFS_AG_GEOM_SICK_AGI },
{ XFS_SICK_AG_BNOBT, XFS_AG_GEOM_SICK_BNOBT },
{ XFS_SICK_AG_CNTBT, XFS_AG_GEOM_SICK_CNTBT },
{ XFS_SICK_AG_INOBT, XFS_AG_GEOM_SICK_INOBT },
{ XFS_SICK_AG_FINOBT, XFS_AG_GEOM_SICK_FINOBT },
{ XFS_SICK_AG_RMAPBT, XFS_AG_GEOM_SICK_RMAPBT },
{ XFS_SICK_AG_REFCNTBT, XFS_AG_GEOM_SICK_REFCNTBT },
{ 0, 0 },
};
/* Fill out ag geometry health info. */
void
xfs_ag_geom_health(
struct xfs_perag *pag,
struct xfs_ag_geometry *ageo)
{
const struct ioctl_sick_map *m;
unsigned int sick;
unsigned int checked;
ageo->ag_sick = 0;
ageo->ag_checked = 0;
xfs_ag_measure_sickness(pag, &sick, &checked);
for (m = ag_map; m->sick_mask; m++) {
if (checked & m->sick_mask)
ageo->ag_checked |= m->ioctl_mask;
if (sick & m->sick_mask)
ageo->ag_sick |= m->ioctl_mask;
}
}