NFSv4/NLM: Push file locking BKL dependencies down into the NLM layer
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index dd79570..273e229 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -165,6 +165,7 @@
/* Set up the argument struct */
nlmclnt_setlockargs(call, fl);
+ lock_kernel();
if (IS_SETLK(cmd) || IS_SETLKW(cmd)) {
if (fl->fl_type != F_UNLCK) {
call->a_args.block = IS_SETLKW(cmd) ? 1 : 0;
@@ -178,6 +179,7 @@
fl->fl_ops->fl_release_private(fl);
fl->fl_ops = NULL;
+ unlock_kernel();
dprintk("lockd: clnt proc returns %d\n", status);
return status;
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index ec7e27d..52ed567 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -592,7 +592,6 @@
struct inode *inode = filp->f_mapping->host;
int status = 0;
- lock_kernel();
/* Try local locking first */
posix_test_lock(filp, fl);
if (fl->fl_type != F_UNLCK) {
@@ -608,7 +607,6 @@
status = NFS_PROTO(inode)->lock(filp, cmd, fl);
out:
- unlock_kernel();
return status;
out_noconflict:
fl->fl_type = F_UNLCK;
@@ -650,13 +648,11 @@
* If we're signalled while cleaning up locks on process exit, we
* still need to complete the unlock.
*/
- lock_kernel();
/* Use local locking if mounted with "-onolock" */
if (!(NFS_SERVER(inode)->flags & NFS_MOUNT_NONLM))
status = NFS_PROTO(inode)->lock(filp, cmd, fl);
else
status = do_vfs_lock(filp, fl);
- unlock_kernel();
return status;
}
@@ -673,13 +669,11 @@
if (status != 0)
goto out;
- lock_kernel();
/* Use local locking if mounted with "-onolock" */
if (!(NFS_SERVER(inode)->flags & NFS_MOUNT_NONLM))
status = NFS_PROTO(inode)->lock(filp, cmd, fl);
else
status = do_vfs_lock(filp, fl);
- unlock_kernel();
if (status < 0)
goto out;
/*