On Tue, Apr 24, 2012 at 01:11:40PM +0800, Daniel J Blueman wrote: > I was seeing root_list corruption on unmount during fs resize in 3.4-rc4; add > correct locking to address this. > > Signed-off-by: Daniel J Blueman <dan...@quora.org> > --- > fs/btrfs/relocation.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c > index 017281d..5a105a0 100644 > --- a/fs/btrfs/relocation.c > +++ b/fs/btrfs/relocation.c > @@ -1279,7 +1279,9 @@ static int __update_reloc_root(struct btrfs_root *root, > int del) > if (rb_node) > backref_tree_panic(rb_node, -EEXIST, node->bytenr); > } else { > + spin_lock(&root->fs_info->trans_lock); > list_del_init(&root->root_list); > + spin_unlock(&root->fs_info->trans_lock); > kfree(node); > } > return 0; > -- > 1.7.9.5 >
Reviewed-by: Josef Bacik <jo...@redhat.com> Thanks, Josef -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html