diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2024-11-03 20:19:18 -0800 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2024-11-05 13:38:39 -0800 |
| commit | 8edde94d640153d645f85b94b2e1af8872c11ac8 (patch) | |
| tree | eb63a9733383f25984b3909bdf143697d7f34e8f | |
| parent | 76d3be00df91a56f7c05142ed500f8f8544d5457 (diff) | |
xfs: export realtime group geometry via XFS_FSOP_GEOM
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>
| -rw-r--r-- | fs/xfs/libxfs/xfs_fs.h | 4 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_sb.c | 5 |
2 files changed, 8 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index faa38a7d1eb0..5c224d03270c 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -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 */ diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index 6b0757d60cf3..b1e12c7e7dbe 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -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. */ |