NFS/blocklayout: print each device used for SCSI layouts

We already print device uses for block layouts, do the same for SCSI
layouts as that greatly helps understanding the operation of the client.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

diff --git a/fs/nfs/blocklayout/dev.c b/fs/nfs/blocklayout/dev.c
index cc6327d97a91acd8eb4bc10bf6915b056e6dfc35..bb35f88501cea5e042e3225a98589d0f579197ed 100644 (file)
--- a/fs/nfs/blocklayout/dev.c
+++ b/fs/nfs/blocklayout/dev.c
@@ -370,11 +370,14 @@ bl_open_path(struct pnfs_block_volume *v, const char *prefix)
        if (!devname)
                return ERR_PTR(-ENOMEM);
 
-       bdev_file = bdev_file_open_by_path(devname, BLK_OPEN_READ | BLK_OPEN_WRITE,
-                                       NULL, NULL);
+       bdev_file = bdev_file_open_by_path(devname,
+                       BLK_OPEN_READ | BLK_OPEN_WRITE, NULL, NULL);
        if (IS_ERR(bdev_file)) {
                dprintk("failed to open device %s (%ld)\n",
                        devname, PTR_ERR(bdev_file));
+       } else {
+               pr_info("pNFS: using block device %s\n",
+                       file_bdev(bdev_file)->bd_disk->disk_name);
        }
 
        kfree(devname);