NFS: Remove use of the Big Kernel Lock around nfs calls to readlink

Remove use of the Big Kernel Lock around indirect calls to
nfs3_proc_readlink and nfs4_proc_readlink, both of which
basically call rpc_call_sync.

Signed-off-by: Frank Filz <ffilz@us.ibm.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/symlink.c b/fs/nfs/symlink.c
index 600bbe6..6c68611 100644 (file)
--- a/fs/nfs/symlink.c
+++ b/fs/nfs/symlink.c
@@ -33,9 +33,7 @@ static int nfs_symlink_filler(struct inode *inode, struct page *page)
 {
        int error;
 
-       lock_kernel();
        error = NFS_PROTO(inode)->readlink(inode, page, 0, PAGE_SIZE);
-       unlock_kernel();
        if (error < 0)
                goto error;
        SetPageUptodate(page);