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xfs: report inode health via bulkstat

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Use space in the bulkstat ioctl structure to report any problems
observed with the inode.

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 1302c6a24f
commit 89d139d5ad
4 changed files with 50 additions and 1 deletions
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14
fs/xfs/libxfs/xfs_fs.h
View File

@ -349,13 +349,25 @@ typedef struct xfs_bstat {
#define bs_projid bs_projid_lo /* (previously just bs_projid) */
__u16 bs_forkoff; /* inode fork offset in bytes */
__u16 bs_projid_hi; /* higher part of project id */
unsigned char bs_pad[6]; /* pad space, unused */
uint16_t bs_sick; /* sick inode metadata */
uint16_t bs_checked; /* checked inode metadata */
unsigned char bs_pad[2]; /* pad space, unused */
__u32 bs_cowextsize; /* cow extent size */
__u32 bs_dmevmask; /* DMIG event mask */
__u16 bs_dmstate; /* DMIG state info */
__u16 bs_aextents; /* attribute number of extents */
} xfs_bstat_t;
/* bs_sick flags */
#define XFS_BS_SICK_INODE (1 << 0) /* inode core */
#define XFS_BS_SICK_BMBTD (1 << 1) /* data fork */
#define XFS_BS_SICK_BMBTA (1 << 2) /* attr fork */
#define XFS_BS_SICK_BMBTC (1 << 3) /* cow fork */
#define XFS_BS_SICK_DIR (1 << 4) /* directory */
#define XFS_BS_SICK_XATTR (1 << 5) /* extended attributes */
#define XFS_BS_SICK_SYMLINK (1 << 6) /* symbolic link remote target */
#define XFS_BS_SICK_PARENT (1 << 7) /* parent pointers */
/*
* Project quota id helpers (previously projid was 16bit only
* and using two 16bit values to hold new 32bit projid was choosen

1
fs/xfs/libxfs/xfs_health.h
View File

@ -185,5 +185,6 @@ 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);
void xfs_bulkstat_health(struct xfs_inode *ip, struct xfs_bstat *bs);
#endif /* __XFS_HEALTH_H__ */

34
fs/xfs/xfs_health.c
View File

@ -356,3 +356,37 @@ xfs_ag_geom_health(
ageo->ag_sick |= m->ioctl_mask;
}
}
static const struct ioctl_sick_map ino_map[] = {
{ XFS_SICK_INO_CORE, XFS_BS_SICK_INODE },
{ XFS_SICK_INO_BMBTD, XFS_BS_SICK_BMBTD },
{ XFS_SICK_INO_BMBTA, XFS_BS_SICK_BMBTA },
{ XFS_SICK_INO_BMBTC, XFS_BS_SICK_BMBTC },
{ XFS_SICK_INO_DIR, XFS_BS_SICK_DIR },
{ XFS_SICK_INO_XATTR, XFS_BS_SICK_XATTR },
{ XFS_SICK_INO_SYMLINK, XFS_BS_SICK_SYMLINK },
{ XFS_SICK_INO_PARENT, XFS_BS_SICK_PARENT },
{ 0, 0 },
};
/* Fill out bulkstat health info. */
void
xfs_bulkstat_health(
struct xfs_inode *ip,
struct xfs_bstat *bs)
{
const struct ioctl_sick_map *m;
unsigned int sick;
unsigned int checked;
bs->bs_sick = 0;
bs->bs_checked = 0;
xfs_inode_measure_sickness(ip, &sick, &checked);
for (m = ino_map; m->sick_mask; m++) {
if (checked & m->sick_mask)
bs->bs_checked |= m->ioctl_mask;
if (sick & m->sick_mask)
bs->bs_sick |= m->ioctl_mask;
}
}

2
fs/xfs/xfs_itable.c
View File

@ -18,6 +18,7 @@
#include "xfs_error.h"
#include "xfs_trace.h"
#include "xfs_icache.h"
#include "xfs_health.h"
/*
* Return stat information for one inode.
@ -84,6 +85,7 @@ xfs_bulkstat_one_int(
buf->bs_extsize = dic->di_extsize << mp->m_sb.sb_blocklog;
buf->bs_extents = dic->di_nextents;
memset(buf->bs_pad, 0, sizeof(buf->bs_pad));
xfs_bulkstat_health(ip, buf);
buf->bs_dmevmask = dic->di_dmevmask;
buf->bs_dmstate = dic->di_dmstate;
buf->bs_aextents = dic->di_anextents;