| [PATCH 4/5] NFS: remove RPC PipeFS mount point reference from blocklayout routines [message #44290 is a reply to message #44287] |
Tue, 29 November 2011 09:20   |
Stanislav Kinsbursky
Messages: 683
Registered: October 2011
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Senior Member |
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This is a cleanup patch. We don't need this reference anymore, because
blocklayout pipes dentries now creates and destroys in per-net operations and
on PipeFS mount/umount notification.
Note that nfs4blocklayout_register_net() now returns 0 instead of -ENOENT in
case of PipeFS superblock absence. This is ok, because blocklayout pipe dentry
will be created on PipeFS mount event.
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
---
fs/nfs/blocklayout/blocklayout.c | 9 +--------
1 files changed, 1 insertions(+), 8 deletions(-)
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index acf7ac9..8211ffd 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -1032,7 +1032,7 @@ static struct dentry *nfs4blocklayout_register_net(struct net *net,
pipefs_sb = rpc_get_sb_net(net);
if (!pipefs_sb)
- return ERR_PTR(-ENOENT);
+ return 0;
dentry = nfs4blocklayout_register_sb(pipefs_sb, pipe);
rpc_put_sb_net(net);
return dentry;
@@ -1083,7 +1083,6 @@ static struct pernet_operations nfs4blocklayout_net_ops = {
static int __init nfs4blocklayout_init(void)
{
- struct vfsmount *mnt;
int ret;
dprintk("%s: NFSv4 Block Layout Driver Registering...\n", __func__);
@@ -1093,12 +1092,6 @@ static int __init nfs4blocklayout_init(void)
goto out;
init_waitqueue_head(&bl_wq);
-
- mnt = rpc_get_mount();
- if (IS_ERR(mnt)) {
- ret = PTR_ERR(mnt);
- goto out_remove;
- }
ret = rpc_pipefs_notifier_register(&nfs4blocklayout_block);
if (ret)
goto out_remove;
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