Merge branches 'x86-fixes-for-linus', 'perf-fixes-for-linus' and 'sched-fixes-for...

[linux-beck.git] / fs / autofs4 / root.c

diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index cb1bd38dc08cb10c47650e1e08c2a8fe13730ab2..d34896cfb19f1512855d907b9d4c8c6b4cac2e09 100644 (file)
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -19,7 +19,7 @@
 #include <linux/param.h>
 #include <linux/time.h>
 #include <linux/compat.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
 
 #include "autofs_i.h"
 
@@ -28,7 +28,9 @@ static int autofs4_dir_unlink(struct inode *,struct dentry *);
 static int autofs4_dir_rmdir(struct inode *,struct dentry *);
 static int autofs4_dir_mkdir(struct inode *,struct dentry *,int);
 static long autofs4_root_ioctl(struct file *,unsigned int,unsigned long);
+#ifdef CONFIG_COMPAT
 static long autofs4_root_compat_ioctl(struct file *,unsigned int,unsigned long);
+#endif
 static int autofs4_dir_open(struct inode *inode, struct file *file);
 static struct dentry *autofs4_lookup(struct inode *,struct dentry *, struct nameidata *);
 static void *autofs4_follow_link(struct dentry *, struct nameidata *);
@@ -981,14 +983,8 @@ static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp,
 static long autofs4_root_ioctl(struct file *filp,
                               unsigned int cmd, unsigned long arg)
 {
-       long ret;
        struct inode *inode = filp->f_dentry->d_inode;
-
-       lock_kernel();
-       ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
-       unlock_kernel();
-
-       return ret;
+       return autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
 }
 
 #ifdef CONFIG_COMPAT
@@ -998,13 +994,11 @@ static long autofs4_root_compat_ioctl(struct file *filp,
        struct inode *inode = filp->f_path.dentry->d_inode;
        int ret;
 
-       lock_kernel();
        if (cmd == AUTOFS_IOC_READY || cmd == AUTOFS_IOC_FAIL)
                ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
        else
                ret = autofs4_root_ioctl_unlocked(inode, filp, cmd,
                        (unsigned long)compat_ptr(arg));
-       unlock_kernel();
 
        return ret;
 }