static const struct lock_manager_operations nfsd4_layouts_lm_ops;
const struct nfsd4_layout_ops *nfsd4_layout_ops[LAYOUT_TYPE_MAX] = {
+#ifdef CONFIG_NFSD_FLEXFILELAYOUT
+ [LAYOUT_FLEX_FILES] = &ff_layout_ops,
+#endif
#ifdef CONFIG_NFSD_BLOCKLAYOUT
[LAYOUT_BLOCK_VOLUME] = &bl_layout_ops,
#endif
void nfsd4_setup_layout_type(struct svc_export *exp)
{
+#if defined(CONFIG_NFSD_BLOCKLAYOUT) || defined(CONFIG_NFSD_SCSILAYOUT)
struct super_block *sb = exp->ex_path.mnt->mnt_sb;
+#endif
if (!(exp->ex_flags & NFSEXP_PNFS))
return;
/*
- * Check if the file system supports exporting a block-like layout.
+ * 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_type = LAYOUT_BLOCK_VOLUME;
+ 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)
- exp->ex_layout_type = LAYOUT_SCSI;
+ exp->ex_layout_types |= 1 << LAYOUT_SCSI;
#endif
}