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authorChristoph Hellwig <hch@lst.de>2014-08-21 11:09:27 -0500
committerTrond Myklebust <trond.myklebust@primarydata.com>2014-09-10 12:47:02 -0700
commit72c5e59f63ceaa604936b1693ba8c4b6cc2b114d (patch)
treec6faeade7cf9d2e71a1351d29c922730335a5433 /fs
parente3aaf7f2b8e9e858c0d6626577d3456bf6070e5a (diff)
pnfs/blocklayout: improve GETDEVICEINFO error reporting
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@lst.de> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/blocklayout/blocklayoutdev.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/nfs/blocklayout/blocklayoutdev.c b/fs/nfs/blocklayout/blocklayoutdev.c
index 04303b5c9361..63f77925aa87 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;

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