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| author | Darrick J. Wong <djwong@kernel.org> | 2024-11-03 20:19:22 -0800 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2024-11-05 13:38:40 -0800 |
| commit | 3fa7a6d0c7eb264e469eaf1e3ef59b6793a853ee (patch) | |
| tree | d4d2da94711af0c0665dae2146d7a55562cddb9b /fs/xfs/libxfs/xfs_fs.h | |
| parent | ab7bd650e17a392a205ec6b6c72b97cae18d43b4 (diff) | |
| download | lwn-3fa7a6d0c7eb264e469eaf1e3ef59b6793a853ee.tar.gz lwn-3fa7a6d0c7eb264e469eaf1e3ef59b6793a853ee.zip | |
xfs: export the geometry of realtime groups to userspace
Create an ioctl so that the kernel can report the status of realtime
groups to userspace.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/libxfs/xfs_fs.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_fs.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index 5c224d03270c..4c0682173d61 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -972,6 +972,21 @@ struct xfs_getparents_by_handle { }; /* + * Output for XFS_IOC_RTGROUP_GEOMETRY + */ +struct xfs_rtgroup_geometry { + __u32 rg_number; /* i/o: rtgroup number */ + __u32 rg_length; /* o: length in blocks */ + __u32 rg_sick; /* o: sick things in ag */ + __u32 rg_checked; /* o: checked metadata in ag */ + __u32 rg_flags; /* i/o: flags for this ag */ + __u32 rg_reserved[27]; /* o: zero */ +}; +#define XFS_RTGROUP_GEOM_SICK_SUPER (1U << 0) /* superblock */ +#define XFS_RTGROUP_GEOM_SICK_BITMAP (1U << 1) /* rtbitmap */ +#define XFS_RTGROUP_GEOM_SICK_SUMMARY (1U << 2) /* rtsummary */ + +/* * ioctl commands that are used by Linux filesystems */ #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS @@ -1009,6 +1024,7 @@ struct xfs_getparents_by_handle { #define XFS_IOC_GETPARENTS _IOWR('X', 62, struct xfs_getparents) #define XFS_IOC_GETPARENTS_BY_HANDLE _IOWR('X', 63, struct xfs_getparents_by_handle) #define XFS_IOC_SCRUBV_METADATA _IOWR('X', 64, struct xfs_scrub_vec_head) +#define XFS_IOC_RTGROUP_GEOMETRY _IOWR('X', 65, struct xfs_rtgroup_geometry) /* * ioctl commands that replace IRIX syssgi()'s |