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xfs: export realtime group geometry via XFS_FSOP_GEOM

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Export the realtime geometry information so that userspace can query it.

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 20:19:18 -08:00
parent 76d3be00df
commit 8edde94d64
2 changed files with 8 additions and 1 deletions
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4
fs/xfs/libxfs/xfs_fs.h
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@@ -187,7 +187,9 @@ struct xfs_fsop_geom {
__u32 logsunit; /* log stripe unit, bytes */
uint32_t sick; /* o: unhealthy fs & rt metadata */
uint32_t checked; /* o: checked fs & rt metadata */
__u64 reserved[17]; /* reserved space */
__u32 rgextents; /* rt extents in a realtime group */
__u32 rgcount; /* number of realtime groups */
__u64 reserved[16]; /* reserved space */
};
#define XFS_FSOP_GEOM_SICK_COUNTERS (1 << 0) /* summary counters */

5
fs/xfs/libxfs/xfs_sb.c
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@@ -1413,6 +1413,11 @@ xfs_fs_geometry(
return;
geo->version = XFS_FSOP_GEOM_VERSION_V5;
if (xfs_has_rtgroups(mp)) {
geo->rgcount = sbp->sb_rgcount;
geo->rgextents = sbp->sb_rgextents;
}
}
/* Read a secondary superblock. */