diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/autofs4/root.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index cb1bd38dc08c..9dd29c29fd12 100644 --- 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" @@ -978,15 +978,17 @@ static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp, } } +static DEFINE_MUTEX(autofs4_ioctl_mutex); + 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(); + mutex_lock(&autofs4_ioctl_mutex); ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg); - unlock_kernel(); + mutex_unlock(&autofs4_ioctl_mutex); return ret; } @@ -998,13 +1000,13 @@ static long autofs4_root_compat_ioctl(struct file *filp, struct inode *inode = filp->f_path.dentry->d_inode; int ret; - lock_kernel(); + mutex_lock(&autofs4_ioctl_mutex); 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(); + mutex_unlock(&autofs4_ioctl_mutex); return ret; } |