summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--fs/nfsd/nfs4layouts.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c
index 228faf00a594..2b36aa037ce0 100644
--- a/fs/nfsd/nfs4layouts.c
+++ b/fs/nfsd/nfs4layouts.c
@@ -133,27 +133,20 @@ void nfsd4_setup_layout_type(struct svc_export *exp)
if (!(exp->ex_flags & NFSEXP_PNFS))
return;
- /*
- * If flex file is configured, use it by default. Otherwise
- * check if the file system supports exporting a block-like layout.
- * If the block device supports reservations prefer the SCSI layout,
- * otherwise advertise the block layout.
- */
#ifdef CONFIG_NFSD_FLEXFILELAYOUT
exp->ex_layout_types |= 1 << LAYOUT_FLEX_FILES;
#endif
#ifdef CONFIG_NFSD_BLOCKLAYOUT
- /* overwrite flex file layout selection if needed */
if (sb->s_export_op->get_uuid &&
sb->s_export_op->map_blocks &&
sb->s_export_op->commit_blocks)
exp->ex_layout_types |= 1 << LAYOUT_BLOCK_VOLUME;
#endif
#ifdef CONFIG_NFSD_SCSILAYOUT
- /* overwrite block layout selection if needed */
if (sb->s_export_op->map_blocks &&
sb->s_export_op->commit_blocks &&
- sb->s_bdev && sb->s_bdev->bd_disk->fops->pr_ops)
+ sb->s_bdev && sb->s_bdev->bd_disk->fops->pr_ops &&
+ blk_queue_scsi_passthrough(sb->s_bdev->bd_disk->queue))
exp->ex_layout_types |= 1 << LAYOUT_SCSI;
#endif
}