On Wed, July 03, 2013 at 08:40 (+0200), Liu Bo wrote: > commit 47fb091fb787420cd195e66f162737401cce023f(Btrfs: fix unlock after free > on rewinded tree blocks) > takes an extra increment on the reference of allocated dummy extent buffer, > so now we > cannot free this dummy one, and end up with extent buffer leak. > > Signed-off-by: Liu Bo <bo.li....@oracle.com>
Reviewed-by: Jan Schmidt <list.bt...@jan-o-sch.net> > --- > fs/btrfs/ctree.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c > index 02fae7f..3d790b4 100644 > --- a/fs/btrfs/ctree.c > +++ b/fs/btrfs/ctree.c > @@ -1268,12 +1268,12 @@ tree_mod_log_rewind(struct btrfs_fs_info *fs_info, > struct extent_buffer *eb, > BUG_ON(!eb_rewin); > } > > - extent_buffer_get(eb_rewin); > btrfs_tree_read_unlock(eb); > free_extent_buffer(eb); > > extent_buffer_get(eb_rewin); > btrfs_tree_read_lock(eb_rewin); > + > __tree_mod_log_rewind(eb_rewin, time_seq, tm); > WARN_ON(btrfs_header_nritems(eb_rewin) > > BTRFS_NODEPTRS_PER_BLOCK(fs_info->tree_root)); > -- 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
