tree 1b2a05c2efe1f169983bff7a497d812aa86c3000
parent 8233767a227ac5843f1023b88c7272a7b5058f5f
author Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> 1303281949 +0000
committer Chris Mason <chris.mason@oracle.com> 1306171481 -0400

Btrfs: fix unsafe usage of merge_state

merge_state can free the current state if it can be merged with the next node,
but in set_extent_bit(), after merge_state, we still use the current extent to
get the next node and cache it into cached_state

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>