diff options
| author | Dave Chinner <dchinner@redhat.com> | 2017-10-09 11:37:22 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-10-11 10:21:06 -0700 |
| commit | bb9c2e5433250f5b477035dc478314f8e6dd5e36 (patch) | |
| tree | fe86cb95800f97fe729310190e0847ac520ce04b /fs/xfs/xfs_fsmap.c | |
| parent | 20413e37d71befd02b5846acdaf5e2564dd1c38e (diff) | |
xfs: move more RT specific code under CONFIG_XFS_RT
Various utility functions and interfaces that iterate internal
devices try to reference the realtime device even when RT support is
not compiled into the kernel.
Make sure this code is excluded from the CONFIG_XFS_RT=n build,
and where appropriate stub functions to return fatal errors if
they ever get called when RT support is not present.
Signed-Off-By: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_fsmap.c')
| -rw-r--r-- | fs/xfs/xfs_fsmap.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c index 814ed729881d..560e0b40ac1b 100644 --- a/fs/xfs/xfs_fsmap.c +++ b/fs/xfs/xfs_fsmap.c @@ -521,6 +521,7 @@ __xfs_getfsmap_rtdev( return query_fn(tp, info); } +#ifdef CONFIG_XFS_RT /* Actually query the realtime bitmap. */ STATIC int xfs_getfsmap_rtdev_rtbitmap_query( @@ -561,6 +562,7 @@ xfs_getfsmap_rtdev_rtbitmap( return __xfs_getfsmap_rtdev(tp, keys, xfs_getfsmap_rtdev_rtbitmap_query, info); } +#endif /* CONFIG_XFS_RT */ /* Execute a getfsmap query against the regular data device. */ STATIC int @@ -795,7 +797,15 @@ xfs_getfsmap_check_keys( return false; } +/* + * There are only two devices if we didn't configure RT devices at build time. + */ +#ifdef CONFIG_XFS_RT #define XFS_GETFSMAP_DEVS 3 +#else +#define XFS_GETFSMAP_DEVS 2 +#endif /* CONFIG_XFS_RT */ + /* * Get filesystem's extents as described in head, and format for * output. Calls formatter to fill the user's buffer until all @@ -853,10 +863,12 @@ xfs_getfsmap( handlers[1].dev = new_encode_dev(mp->m_logdev_targp->bt_dev); handlers[1].fn = xfs_getfsmap_logdev; } +#ifdef CONFIG_XFS_RT if (mp->m_rtdev_targp) { handlers[2].dev = new_encode_dev(mp->m_rtdev_targp->bt_dev); handlers[2].fn = xfs_getfsmap_rtdev_rtbitmap; } +#endif /* CONFIG_XFS_RT */ xfs_sort(handlers, XFS_GETFSMAP_DEVS, sizeof(struct xfs_getfsmap_dev), xfs_getfsmap_dev_compare); |