[PATCH 2/8] block: Consolidate command flag and queue limit checks for merges

2012-09-18 Thread Martin K. Petersen
From: Martin K. Petersen martin.peter...@oracle.com - blk_check_merge_flags() verifies that cmd_flags / bi_rw are compatible. This function is called for both req-req and req-bio merging. - blk_rq_get_max_sectors() and blk_queue_get_max_sectors() can be used to query the maximum

Re: [PATCH 2/8] block: Consolidate command flag and queue limit checks for merges

2012-09-18 Thread Mike Snitzer
On Tue, Sep 18 2012 at 12:19pm -0400, Martin K. Petersen martin.peter...@oracle.com wrote: From: Martin K. Petersen martin.peter...@oracle.com - blk_check_merge_flags() verifies that cmd_flags / bi_rw are compatible. This function is called for both req-req and req-bio merging. -