commit | 15eb77a07c714ac80201abd0a9568888bcee6276 | [log] [tgz] |
---|---|---|
author | Wu Fengguang <fengguang.wu@intel.com> | Tue Jan 17 11:18:56 2012 -0600 |
committer | Wu Fengguang <fengguang.wu@intel.com> | Wed Feb 01 16:53:40 2012 +0800 |
tree | cc43dc8458cb431900fd47990772ffa56b36b4f4 | |
parent | 2673b4cf5d59c3ee5e0c12f6d734d38770324dc4 [diff] |
writeback: fix NULL bdi->dev in trace writeback_single_inode bdi_prune_sb() resets sb->s_bdi to default_backing_dev_info when the tearing down the original bdi. Fix trace_writeback_single_inode to use sb->s_bdi=default_backing_dev_info rather than bdi->dev=NULL for a teared down bdi. Cc: <stable@kernel.org> Reported-by: Rabin Vincent <rabin@rab.in> Tested-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>