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xfs: scrub quota file metapaths

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Enable online fsck for quota file metadata directory paths.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2024-11-03 20:19:38 -08:00
parent e80fbe1ad8
commit 128a055291
2 changed files with 81 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

6
fs/xfs/libxfs/xfs_fs.h
View file

@ -825,9 +825,13 @@ struct xfs_scrub_vec_head {
#define XFS_SCRUB_METAPATH_RTDIR (1) /* rtrgroups metadir */
#define XFS_SCRUB_METAPATH_RTBITMAP (2) /* per-rtg bitmap */
#define XFS_SCRUB_METAPATH_RTSUMMARY (3) /* per-rtg summary */
#define XFS_SCRUB_METAPATH_QUOTADIR (4) /* quota metadir */
#define XFS_SCRUB_METAPATH_USRQUOTA (5) /* user quota */
#define XFS_SCRUB_METAPATH_GRPQUOTA (6) /* group quota */
#define XFS_SCRUB_METAPATH_PRJQUOTA (7) /* project quota */
/* Number of metapath sm_ino values */
#define XFS_SCRUB_METAPATH_NR (4)
#define XFS_SCRUB_METAPATH_NR (8)
/*
* ioctl limits

76
fs/xfs/scrub/metapath.c
View file

@ -165,6 +165,74 @@ xchk_setup_metapath_rtginode(
# define xchk_setup_metapath_rtginode(...) (-ENOENT)
#endif /* CONFIG_XFS_RT */
#ifdef CONFIG_XFS_QUOTA
/* Scan the /quota directory itself. */
static int
xchk_setup_metapath_quotadir(
struct xfs_scrub *sc)
{
struct xfs_trans *tp;
struct xfs_inode *dp = NULL;
int error;
error = xfs_trans_alloc_empty(sc->mp, &tp);
if (error)
return error;
error = xfs_dqinode_load_parent(tp, &dp);
xfs_trans_cancel(tp);
if (error)
return error;
error = xchk_setup_metapath_scan(sc, sc->mp->m_metadirip,
kasprintf(GFP_KERNEL, "quota"), dp);
xfs_irele(dp);
return error;
}
/* Scan a quota inode under the /quota directory. */
static int
xchk_setup_metapath_dqinode(
struct xfs_scrub *sc,
xfs_dqtype_t type)
{
struct xfs_trans *tp = NULL;
struct xfs_inode *dp = NULL;
struct xfs_inode *ip = NULL;
const char *path;
int error;
error = xfs_trans_alloc_empty(sc->mp, &tp);
if (error)
return error;
error = xfs_dqinode_load_parent(tp, &dp);
if (error)
goto out_cancel;
error = xfs_dqinode_load(tp, dp, type, &ip);
if (error)
goto out_dp;
xfs_trans_cancel(tp);
tp = NULL;
path = kasprintf(GFP_KERNEL, "%s", xfs_dqinode_path(type));
error = xchk_setup_metapath_scan(sc, dp, path, ip);
xfs_irele(ip);
out_dp:
xfs_irele(dp);
out_cancel:
if (tp)
xfs_trans_cancel(tp);
return error;
}
#else
# define xchk_setup_metapath_quotadir(...) (-ENOENT)
# define xchk_setup_metapath_dqinode(...) (-ENOENT)
#endif /* CONFIG_XFS_QUOTA */
int
xchk_setup_metapath(
struct xfs_scrub *sc)
@ -186,6 +254,14 @@ xchk_setup_metapath(
return xchk_setup_metapath_rtginode(sc, XFS_RTGI_BITMAP);
case XFS_SCRUB_METAPATH_RTSUMMARY:
return xchk_setup_metapath_rtginode(sc, XFS_RTGI_SUMMARY);
case XFS_SCRUB_METAPATH_QUOTADIR:
return xchk_setup_metapath_quotadir(sc);
case XFS_SCRUB_METAPATH_USRQUOTA:
return xchk_setup_metapath_dqinode(sc, XFS_DQTYPE_USER);
case XFS_SCRUB_METAPATH_GRPQUOTA:
return xchk_setup_metapath_dqinode(sc, XFS_DQTYPE_GROUP);
case XFS_SCRUB_METAPATH_PRJQUOTA:
return xchk_setup_metapath_dqinode(sc, XFS_DQTYPE_PROJ);
default:
return -ENOENT;
}