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authorAl Viro <viro@zeniv.linux.org.uk>2010-03-23 11:11:05 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2010-05-21 18:31:17 -0400
commitd3f2147307cce9eac56dd91d381709aa3f1615b3 (patch)
treec1512bc87bdd657d379c6cf67f9c84436ad8fb52 /fs/block_dev.c
parent7ed1ee6118ae77330cae2a6d5e9383532f7dfb48 (diff)
Move grabbing s_umount to callers of grab_super()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/block_dev.c')
-rw-r--r--fs/block_dev.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 6dcee88c2e5d..39cb6591d37d 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -245,6 +245,7 @@ struct super_block *freeze_bdev(struct block_device *bdev)
sb = get_active_super(bdev);
if (!sb)
goto out;
+ down_write(&sb->s_umount);
if (sb->s_flags & MS_RDONLY) {
sb->s_frozen = SB_FREEZE_TRANS;
up_write(&sb->s_umount);