Linux kernel bug fix: xfs: use ->b_state to fix buffer I/O accounting release race
Subsystem: fs/xfs (fs/xfs/xfs_buf.c)
Bug type: hang, severity: medium
Files changed: fs/xfs/xfs_buf.c;fs/xfs/xfs_buf.h
Introduced by Brian Foster on 2016-07-20 11:15:28 +1000; fixed by Brian Foster on 2017-05-31 08:22:52 -0700 (lifetime: 314 days)