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xfs: export zoned geometry via XFS_FSOP_GEOM

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

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
This commit is contained in:
Christoph Hellwig
2024-10-24 10:57:41 +02:00
parent bdc03eb5f9
commit 1fd8159e7c
2 changed files with 10 additions and 1 deletions
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5
fs/xfs/libxfs/xfs_fs.h
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@@ -189,7 +189,9 @@ struct xfs_fsop_geom {
uint32_t checked; /* o: checked fs & rt metadata */
__u32 rgextents; /* rt extents in a realtime group */
__u32 rgcount; /* number of realtime groups */
__u64 reserved[16]; /* reserved space */
__u64 rtstart; /* start of internal rt section */
__u64 rtreserved; /* RT (zoned) reserved blocks */
__u64 reserved[14]; /* reserved space */
};
#define XFS_FSOP_GEOM_SICK_COUNTERS (1 << 0) /* summary counters */
@@ -247,6 +249,7 @@ typedef struct xfs_fsop_resblks {
#define XFS_FSOP_GEOM_FLAGS_EXCHANGE_RANGE (1 << 24) /* exchange range */
#define XFS_FSOP_GEOM_FLAGS_PARENT (1 << 25) /* linux parent pointers */
#define XFS_FSOP_GEOM_FLAGS_METADIR (1 << 26) /* metadata directories */
#define XFS_FSOP_GEOM_FLAGS_ZONED (1 << 27) /* zoned rt device */
/*
* Minimum and maximum sizes need for growth checks.

6
fs/xfs/libxfs/xfs_sb.c
View File

@@ -1569,6 +1569,8 @@ xfs_fs_geometry(
geo->flags |= XFS_FSOP_GEOM_FLAGS_EXCHANGE_RANGE;
if (xfs_has_metadir(mp))
geo->flags |= XFS_FSOP_GEOM_FLAGS_METADIR;
if (xfs_has_zoned(mp))
geo->flags |= XFS_FSOP_GEOM_FLAGS_ZONED;
geo->rtsectsize = sbp->sb_blocksize;
geo->dirblocksize = xfs_dir2_dirblock_bytes(sbp);
@@ -1589,6 +1591,10 @@ xfs_fs_geometry(
geo->rgcount = sbp->sb_rgcount;
geo->rgextents = sbp->sb_rgextents;
}
if (xfs_has_zoned(mp)) {
geo->rtstart = sbp->sb_rtstart;
geo->rtreserved = sbp->sb_rtreserved;
}
}
/* Read a secondary superblock. */