Tell userspace what stage of GETDEVICEINFO failed so that there is a chance
to debug it, especially with the userspace daemon clusterf***k in the block
layout driver.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
fs/nfs/blocklayout/blocklayoutdev.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/nfs/blocklayout/blocklayoutdev.c b/fs/nfs/blocklayout/blocklayoutdev.c
index 04303b5..63f77925 100644
--- a/fs/nfs/blocklayout/blocklayoutdev.c
+++ b/fs/nfs/blocklayout/blocklayoutdev.c
@@ -150,7 +150,7 @@ nfs4_blk_decode_device(struct nfs_server *server,
remove_wait_queue(&nn->bl_wq, &wq);
if (reply->status != BL_DEVICE_REQUEST_PROC) {
- dprintk("%s failed to open device: %d\n",
+ printk(KERN_WARNING "%s failed to decode device: %d\n",
__func__, reply->status);
rv = ERR_PTR(-EINVAL);
goto out;
@@ -159,7 +159,8 @@ nfs4_blk_decode_device(struct nfs_server *server,
bd = blkdev_get_by_dev(MKDEV(reply->major, reply->minor),
FMODE_READ, NULL);
if (IS_ERR(bd)) {
- dprintk("%s failed to open device : %ld\n", __func__,
+ printk(KERN_WARNING "%s failed to open device %d:%d (%ld)\n",
+ __func__, reply->major, reply->minor,
PTR_ERR(bd));
rv = ERR_CAST(bd);
goto out;
--
1.9.1
--
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