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SUNRPC: create RPC pipefs superblock per network namespace context

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This is the initial step of RPC pipefs virtualization. It changes nothing to
current pipefs behaviour except that mount of pipefs in other than init_net
network namespace context will provide only root tree. No other dentries will
be visible.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Stanislav Kinsbursky 2011-12-26 15:38:56 +03:00 committed by Trond Myklebust
parent 5bff038630
commit 38b0da7522
1 changed files with 2 additions and 1 deletions
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3
net/sunrpc/rpc_pipe.c
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@ -993,6 +993,7 @@ rpc_fill_super(struct super_block *sb, void *data, int silent)
{
struct inode *inode;
struct dentry *root;
struct net *net = data;
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
@ -1017,7 +1018,7 @@ static struct dentry *
rpc_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
return mount_single(fs_type, flags, data, rpc_fill_super);
return mount_ns(fs_type, flags, current->nsproxy->net_ns, rpc_fill_super);
}
static struct file_system_type rpc_pipe_fs_type = {