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authorPeng Tao <bergwolf@gmail.com>2012-09-25 14:55:57 +0800
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-10-08 19:32:40 -0400
commitaf283885b70248268617955a5ea5476647bd556b (patch)
tree61503850058bac6687f7dcf00b0b0e60ced32cf2 /fs/nfs/blocklayout
parent1fd937bd7583e618df0528f0268b210f265d6910 (diff)
downloadblackbird-op-linux-af283885b70248268617955a5ea5476647bd556b.tar.gz
blackbird-op-linux-af283885b70248268617955a5ea5476647bd556b.zip
pnfsblock: cleanup nfs4_blkdev_get
It is not needed at all and it is messing with return values... Reported-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Peng Tao <tao.peng@emc.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/blocklayout')
-rw-r--r--fs/nfs/blocklayout/blocklayout.h1
-rw-r--r--fs/nfs/blocklayout/blocklayoutdev.c25
2 files changed, 5 insertions, 21 deletions
diff --git a/fs/nfs/blocklayout/blocklayout.h b/fs/nfs/blocklayout/blocklayout.h
index 39bb51a8dd18..f4891bde8851 100644
--- a/fs/nfs/blocklayout/blocklayout.h
+++ b/fs/nfs/blocklayout/blocklayout.h
@@ -173,7 +173,6 @@ struct bl_msg_hdr {
/* blocklayoutdev.c */
ssize_t bl_pipe_downcall(struct file *, const char __user *, size_t);
void bl_pipe_destroy_msg(struct rpc_pipe_msg *);
-struct block_device *nfs4_blkdev_get(dev_t dev);
int nfs4_blkdev_put(struct block_device *bdev);
struct pnfs_block_dev *nfs4_blk_decode_device(struct nfs_server *server,
struct pnfs_device *dev);
diff --git a/fs/nfs/blocklayout/blocklayoutdev.c b/fs/nfs/blocklayout/blocklayoutdev.c
index c96554245ccf..a86c5bdad9e3 100644
--- a/fs/nfs/blocklayout/blocklayoutdev.c
+++ b/fs/nfs/blocklayout/blocklayoutdev.c
@@ -53,22 +53,6 @@ static int decode_sector_number(__be32 **rp, sector_t *sp)
return 0;
}
-/* Open a block_device by device number. */
-struct block_device *nfs4_blkdev_get(dev_t dev)
-{
- struct block_device *bd;
-
- dprintk("%s enter\n", __func__);
- bd = blkdev_get_by_dev(dev, FMODE_READ, NULL);
- if (IS_ERR(bd))
- goto fail;
- return bd;
-fail:
- dprintk("%s failed to open device : %ld\n",
- __func__, PTR_ERR(bd));
- return NULL;
-}
-
/*
* Release the block device
*/
@@ -172,11 +156,12 @@ nfs4_blk_decode_device(struct nfs_server *server,
goto out;
}
- bd = nfs4_blkdev_get(MKDEV(reply->major, reply->minor));
+ bd = blkdev_get_by_dev(MKDEV(reply->major, reply->minor),
+ FMODE_READ, NULL);
if (IS_ERR(bd)) {
- rc = PTR_ERR(bd);
- dprintk("%s failed to open device : %d\n", __func__, rc);
- rv = ERR_PTR(rc);
+ dprintk("%s failed to open device : %ld\n", __func__,
+ PTR_ERR(bd));
+ rv = ERR_CAST(bd);
goto out;
}
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