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>
diff --git a/fs/affs/super.c b/fs/affs/super.c
index 280d361..c481493 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -16,6 +16,7 @@
#include <linux/parser.h>
#include <linux/magic.h>
#include <linux/sched.h>
+#include <linux/smp_lock.h>
#include "affs.h"
extern struct timezone sys_tz;
@@ -512,6 +513,7 @@
kfree(new_opts);
return -EINVAL;
}
+ lock_kernel();
replace_mount_options(sb, new_opts);
sbi->s_flags = mount_flags;
@@ -519,8 +521,10 @@
sbi->s_uid = uid;
sbi->s_gid = gid;
- if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
+ if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) {
+ unlock_kernel();
return 0;
+ }
if (*flags & MS_RDONLY) {
sb->s_dirt = 1;
while (sb->s_dirt)
@@ -529,6 +533,7 @@
} else
res = affs_init_bitmap(sb, flags);
+ unlock_kernel();
return res;
}