This is a cleanup patch. We don't need this reference anymore, because DNS
resolver cache now creates it's dentries in per-net operations and on PipeFS
mount/umount notification.
Note that nfs_cache_register_net() now returns 0 instead of -ENOENT in case of
PiepFS superblock absence. This is ok, Dns resolver cache will be regestered on
PipeFS mount event.
Signed-off-by: Stanislav Kinsbursky <skinsbursky@xxxxxxxxxxxxx>
---
fs/nfs/cache_lib.c | 19 ++++---------------
1 files changed, 4 insertions(+), 15 deletions(-)
diff --git a/fs/nfs/cache_lib.c b/fs/nfs/cache_lib.c
index 5905a31..dded263 100644
--- a/fs/nfs/cache_lib.c
+++ b/fs/nfs/cache_lib.c
@@ -126,24 +126,14 @@ int nfs_cache_register_sb(struct super_block *sb, struct cache_detail *cd)
int nfs_cache_register_net(struct net *net, struct cache_detail *cd)
{
- struct vfsmount *mnt;
struct super_block *pipefs_sb;
- int ret;
+ int ret = 0;
- mnt = rpc_get_mount();
- if (IS_ERR(mnt))
- return PTR_ERR(mnt);
pipefs_sb = rpc_get_sb_net(net);
- if (!pipefs_sb) {
- ret = -ENOENT;
- goto err;
+ if (pipefs_sb) {
+ ret = nfs_cache_register_sb(pipefs_sb, cd);
+ rpc_put_sb_net(net);
}
- ret = nfs_cache_register_sb(pipefs_sb, cd);
- rpc_put_sb_net(net);
- if (!ret)
- return ret;
-err:
- rpc_put_mount();
return ret;
}
@@ -162,7 +152,6 @@ void nfs_cache_unregister_net(struct net *net, struct cache_detail *cd)
nfs_cache_unregister_sb(pipefs_sb, cd);
rpc_put_sb_net(net);
}
- rpc_put_mount();
}
void nfs_cache_init(struct cache_detail *cd)
--
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