From 8c95d37ec9fe94b5e91e5862751712943f15a1df Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Tue, 28 May 2024 21:11:16 -0700 Subject: [PATCH] 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 --- fs/xfs/libxfs/xfs_fs.h | 4 +++- fs/xfs/libxfs/xfs_sb.c | 5 +++++ 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index ad89c3eee44b..65c30118e3dd 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 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 9a019e6b2ebe..0e0913d8ca4e 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -1429,6 +1429,11 @@ 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. */ -- 2.50.1