[PATCH 4.9 67/78] xfs: refactor buffer logging into buffer dirtying helper

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Brian Foster commit 9684010d38eccda733b61106765e9357cf436f65 upstream. xfs_trans_log_buf() is responsible for logging the dirty segments of a buffer along with setting all

[PATCH 4.9 67/78] xfs: refactor buffer logging into buffer dirtying helper

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Brian Foster commit 9684010d38eccda733b61106765e9357cf436f65 upstream. xfs_trans_log_buf() is responsible for logging the dirty segments of a buffer along with setting all of the necessary