BKL: Remove BKL from jffs2
The BKL is only used in put_super, fill_super and remount_fs that are all
three protected by the superblocks s_umount rw_semaphore. Therefore it is
safe to remove the BKL entirely.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index 58dd9cf..d1ae5df 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -12,7 +12,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/smp_lock.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/fs.h>
@@ -148,17 +147,13 @@
struct jffs2_sb_info *c;
int ret;
- lock_kernel();
-
D1(printk(KERN_DEBUG "jffs2_get_sb_mtd():"
" New superblock for device %d (\"%s\")\n",
sb->s_mtd->index, sb->s_mtd->name));
c = kzalloc(sizeof(*c), GFP_KERNEL);
- if (!c) {
- unlock_kernel();
+ if (!c)
return -ENOMEM;
- }
c->mtd = sb->s_mtd;
c->os_priv = sb;
@@ -181,7 +176,6 @@
sb->s_flags |= MS_POSIXACL;
#endif
ret = jffs2_do_fill_super(sb, data, silent);
- unlock_kernel();
return ret;
}
@@ -199,8 +193,6 @@
D2(printk(KERN_DEBUG "jffs2: jffs2_put_super()\n"));
- lock_kernel();
-
if (sb->s_dirt)
jffs2_write_super(sb);
@@ -222,8 +214,6 @@
if (c->mtd->sync)
c->mtd->sync(c->mtd);
- unlock_kernel();
-
D1(printk(KERN_DEBUG "jffs2_put_super returning\n"));
}