Push BKL down into ->remount_fs()

[xfs, btrfs, capifs, shmem don't need BKL, exempt]

Signed-off-by: Alessio Igor Bogani <abogani@texware.it>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index 237b27a3d57..3451a81b214 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -20,6 +20,7 @@
 #include <linux/vmalloc.h>
 #include <linux/vfs.h>
 #include <linux/crc32.h>
+#include <linux/smp_lock.h>
 #include "nodelist.h"
 
 static int jffs2_flash_setup(struct jffs2_sb_info *c);
@@ -387,6 +388,7 @@ int jffs2_remount_fs (struct super_block *sb, int *flags, char *data)
            This also catches the case where it was stopped and this
            is just a remount to restart it.
            Flush the writebuffer, if neccecary, else we loose it */
+        lock_kernel();
         if (!(sb->s_flags & MS_RDONLY)) {
                 jffs2_stop_garbage_collect_thread(c);
                 mutex_lock(&c->alloc_sem);
@@ -399,6 +401,7 @@ int jffs2_remount_fs (struct super_block *sb, int *flags, char *data)
 
         *flags |= MS_NOATIME;
 
+        unlock_kernel();
         return 0;
 }