nfsd4: don't sleep in lease-break callback

[safe/jmp/linux-2.6] / fs / nfsd / nfs4recover.c

diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index 5275097..98fb98e 100644 (file)
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -1,6 +1,4 @@
 /*
-*  linux/fs/nfsd/nfs4recover.c
-*
 *  Copyright (c) 2004 The Regents of the University of Michigan.
 *  All rights reserved.
 *
@@ -33,20 +31,14 @@
 *
 */
 
-#include <linux/err.h>
-#include <linux/sunrpc/svc.h>
-#include <linux/nfsd/nfsd.h>
-#include <linux/nfs4.h>
-#include <linux/nfsd/state.h>
-#include <linux/nfsd/xdr4.h>
-#include <linux/param.h>
 #include <linux/file.h>
 #include <linux/namei.h>
-#include <asm/uaccess.h>
-#include <linux/scatterlist.h>
 #include <linux/crypto.h>
 #include <linux/sched.h>
-#include <linux/mount.h>
+
+#include "nfsd.h"
+#include "state.h"
+#include "vfs.h"
 
 #define NFSDDBG_FACILITY                NFSDDBG_PROC
 
@@ -127,9 +119,7 @@ out_no_tfm:
 static void
 nfsd4_sync_rec_dir(void)
 {
-       mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
-       nfsd_sync_dir(rec_dir.dentry);
-       mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
+       vfs_fsync(NULL, rec_dir.dentry, 0);
 }
 
 int
@@ -229,7 +219,7 @@ nfsd4_list_rec_dir(struct dentry *dir, recdir_func *f)
                goto out;
        status = vfs_readdir(filp, nfsd4_build_namelist, &names);
        fput(filp);
-       mutex_lock(&dir->d_inode->i_mutex);
+       mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT);
        while (!list_empty(&names)) {
                entry = list_entry(names.next, struct name_list, list);
 
@@ -264,7 +254,7 @@ nfsd4_unlink_clid_dir(char *name, int namlen)
 
        dprintk("NFSD: nfsd4_unlink_clid_dir. name %.*s\n", namlen, name);
 
-       mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
+       mutex_lock_nested(&rec_dir.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
        dentry = lookup_one_len(name, rec_dir.dentry, namlen);
        if (IS_ERR(dentry)) {
                status = PTR_ERR(dentry);