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Diffstat (limited to 'fs/super.c')
-rw-r--r--fs/super.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/super.c b/fs/super.c
index 37554b87618..a66f66bb804 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -37,6 +37,7 @@
#include <linux/writeback.h> /* for the emergency remount stuff */
#include <linux/idr.h>
#include <linux/kobject.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
@@ -55,11 +56,10 @@ DEFINE_SPINLOCK(sb_lock);
*/
static struct super_block *alloc_super(void)
{
- struct super_block *s = kmalloc(sizeof(struct super_block), GFP_USER);
+ struct super_block *s = kzalloc(sizeof(struct super_block), GFP_USER);
static struct super_operations default_op;
if (s) {
- memset(s, 0, sizeof(struct super_block));
if (security_sb_alloc(s)) {
kfree(s);
s = NULL;
@@ -381,9 +381,9 @@ restart:
void sync_filesystems(int wait)
{
struct super_block *sb;
- static DECLARE_MUTEX(mutex);
+ static DEFINE_MUTEX(mutex);
- down(&mutex); /* Could be down_interruptible */
+ mutex_lock(&mutex); /* Could be down_interruptible */
spin_lock(&sb_lock);
list_for_each_entry(sb, &super_blocks, s_list) {
if (!sb->s_op->sync_fs)
@@ -412,7 +412,7 @@ restart:
goto restart;
}
spin_unlock(&sb_lock);
- up(&mutex);
+ mutex_unlock(&mutex);
}
/**