nfs/blocklayout: use proper fmode for opening block devices
This was fixed for the original block layout code a while ago, but also
needs to be fixed for the SCSI layout path.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
diff --git a/fs/nfs/blocklayout/dev.c b/fs/nfs/blocklayout/dev.c
index e5b8967..7fb9c07 100644
--- a/fs/nfs/blocklayout/dev.c
+++ b/fs/nfs/blocklayout/dev.c
@@ -316,7 +316,7 @@
return -EINVAL;
}
- d->bdev = blkdev_get_by_path(devname, FMODE_READ, NULL);
+ d->bdev = blkdev_get_by_path(devname, FMODE_READ | FMODE_WRITE, NULL);
if (IS_ERR(d->bdev)) {
pr_warn("pNFS: failed to open device %s (%ld)\n",
devname, PTR_ERR(d->bdev));
@@ -352,7 +352,7 @@
return 0;
out_blkdev_put:
- blkdev_put(d->bdev, FMODE_READ);
+ blkdev_put(d->bdev, FMODE_READ | FMODE_WRITE);
return error;
}