diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2019-08-30 16:30:22 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-09-03 21:07:25 -0700 |
| commit | 76f1793359db07205b9aefba66c7acbac988aaac (patch) | |
| tree | 845e9ddd16ae5bf4f7824bdb2079014a20bd7d54 /fs/xfs | |
| parent | eb77b23b565e7e1d2cc3a7d9e4cc186fb54e81a8 (diff) | |
xfs: define a flags field for the AG geometry ioctl structure
Define a flags field for the AG geometry ioctl structure.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/libxfs/xfs_fs.h | 2 | ||||
| -rw-r--r-- | fs/xfs/xfs_ioctl.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h index 52d03a3a02a4..39dd2b908106 100644 --- a/fs/xfs/libxfs/xfs_fs.h +++ b/fs/xfs/libxfs/xfs_fs.h @@ -287,7 +287,7 @@ struct xfs_ag_geometry { uint32_t ag_ifree; /* o: inodes free */ uint32_t ag_sick; /* o: sick things in ag */ uint32_t ag_checked; /* o: checked metadata in ag */ - uint32_t ag_reserved32; /* o: zero */ + uint32_t ag_flags; /* i/o: flags for this ag */ uint64_t ag_reserved[12];/* o: zero */ }; #define XFS_AG_GEOM_SICK_SB (1 << 0) /* superblock */ diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 9a6823e29661..c93501f42675 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -1038,6 +1038,10 @@ xfs_ioc_ag_geometry( if (copy_from_user(&ageo, arg, sizeof(ageo))) return -EFAULT; + if (ageo.ag_flags) + return -EINVAL; + if (memchr_inv(&ageo.ag_reserved, 0, sizeof(ageo.ag_reserved))) + return -EINVAL; error = xfs_ag_get_geometry(mp, ageo.ag_number, &ageo); if (error) |