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

Remove use of the Big Kernel Lock around calls to 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/nfs3proc.c b/fs/nfs/nfs3proc.c
index 9d7ff4f..7fba063 100644 (file)
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -690,8 +690,6 @@ nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
        };
        int                     status;
 
-       lock_kernel();
-
        if (plus)
                msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS];
 
@@ -702,7 +700,6 @@ nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
        status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
        nfs_refresh_inode(dir, &dir_attr);
        dprintk("NFS reply readdir: %d\n", status);
-       unlock_kernel();
        return status;
 }
 

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 93ac058..4b5fc71 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2223,13 +2223,11 @@ static int _nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
                        dentry->d_parent->d_name.name,
                        dentry->d_name.name,
                        (unsigned long long)cookie);
-       lock_kernel();
        nfs4_setup_readdir(cookie, NFS_COOKIEVERF(dir), dentry, &args);
        res.pgbase = args.pgbase;
        status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
        if (status == 0)
                memcpy(NFS_COOKIEVERF(dir), res.verifier.data, NFS4_VERIFIER_SIZE);
-       unlock_kernel();
        dprintk("%s: returns %d\n", __FUNCTION__, status);
        return status;
 }

diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index 4529cc4..7a9013d 100644 (file)
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -545,13 +545,10 @@ nfs_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
        };
        int                     status;
 
-       lock_kernel();
-
        dprintk("NFS call  readdir %d\n", (unsigned int)cookie);
        status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
 
        dprintk("NFS reply readdir: %d\n", status);
-       unlock_kernel();
        return status;
 }