NFSD: use correct reservation type in nfsd4_scsi_fence_client

commit 6f52063db9aabdaabea929b1e998af98c2e8d917 upstream.

The reservation type argument for the pr_preempt call should match the
one used in nfsd4_block_get_device_info_scsi.

Fixes: f99d4fbdae67 ("nfsd: add SCSI layout support")
Cc: stable@vger.kernel.org
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/nfsd/blocklayout.c b/fs/nfsd/blocklayout.c
index 425648565ab2d419a42face83da79d23e51dfd7c..e9512c34c9dcf7455b1ff65588ab9e09d984f0a0 100644 (file)
--- a/fs/nfsd/blocklayout.c
+++ b/fs/nfsd/blocklayout.c
@@ -344,7 +344,8 @@ nfsd4_scsi_fence_client(struct nfs4_layout_stateid *ls, struct nfsd_file *file)
        struct block_device *bdev = file->nf_file->f_path.mnt->mnt_sb->s_bdev;
 
        bdev->bd_disk->fops->pr_ops->pr_preempt(bdev, NFSD_MDS_PR_KEY,
-                       nfsd4_scsi_pr_key(clp), 0, true);
+                       nfsd4_scsi_pr_key(clp),
+                       PR_EXCLUSIVE_ACCESS_REG_ONLY, true);
 }
 
 const struct nfsd4_layout_ops scsi_layout_ops = {