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authorAlessio Igor Bogani <abogani@texware.it>2009-05-12 15:10:54 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2009-06-11 21:36:11 -0400
commit337eb00a2c3a421999c39c94ce7e33545ee8baa7 (patch)
treed9b780d095b638b1d8fa23841ff70347cf5daa08 /fs/affs/super.c
parent4195f73d1329e49727bcceb028e58cb38376c2b0 (diff)
downloadlinux-337eb00a2c3a421999c39c94ce7e33545ee8baa7.tar.gz
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>
Diffstat (limited to 'fs/affs/super.c')
-rw-r--r--fs/affs/super.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/affs/super.c b/fs/affs/super.c
index 280d361af41f..c4814937c968 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 @@ affs_remount(struct super_block *sb, int *flags, char *data)
 		kfree(new_opts);
 		return -EINVAL;
 	}
+	lock_kernel();
 	replace_mount_options(sb, new_opts);
 
 	sbi->s_flags = mount_flags;
@@ -519,8 +521,10 @@ affs_remount(struct super_block *sb, int *flags, char *data)
 	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 @@ affs_remount(struct super_block *sb, int *flags, char *data)
 	} else
 		res = affs_init_bitmap(sb, flags);
 
+	unlock_kernel();
 	return res;
 }