diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2022-08-12 15:17:03 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2022-11-09 19:07:57 -0800 |
| commit | cb350586d768f37dc3b8f07ec8842296d16883e2 (patch) | |
| tree | 7a4067a621d878532f76db5e3892e6f6229ec371 | |
| parent | 16aaea027f36d2dcd0f4487aee9967f99caccb1f (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>
| -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 f2237d6b374c..d0acd8b8db1f 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -186,7 +186,9 @@ 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 rgblocks; /* rtblocks 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 599a5829ccd2..4fdc9bfc5c50 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -1346,6 +1346,11 @@ xfs_fs_geometry( return; geo->version = XFS_FSOP_GEOM_VERSION_V5; + + if (xfs_has_rtgroups(mp)) { + geo->rgcount = sbp->sb_rgcount; + geo->rgblocks = sbp->sb_rgblocks; + } } /* Read a secondary superblock. */ |