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Re: [PATCH 02/45] block: add REQ_OP definitions and helpers

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On 06/05/2016 09:31 PM, mchristi@redhat.com wrote:
> From: Mike Christie <mchristi@redhat.com>
> 
> The following patches separate the operation (WRITE, READ, DISCARD,
> etc) from the rq_flag_bits flags. This patch adds definitions for
> request/bio operations (REQ_OPs) and adds request/bio accessors to
> get/set the op.
> 
> In this patch the REQ_OPs match the REQ rq_flag_bits ones
> for compat reasons while all the code is converted to use the
> op accessors in the set. In the last patches the op will become a
> number and the accessors and helpers in this patch will be dropped
> or updated.
> 
> Signed-off-by: Mike Christie <mchristi@redhat.com>
> ---
Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@suse.de			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)

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[PATCH 00/45] v8: separate operations from flags in the bio/request structs  mchristi@redhat.com - 2016-06-05 21:40 +0200
  [PATCH 37/45] drivers: use req op accessor mchristi@redhat.com - 2016-06-05 21:40 +0200
  [PATCH 35/45] block: convert merge/insert code to check for REQ_OPs. mchristi@redhat.com - 2016-06-05 21:40 +0200
  [PATCH 43/45] block, drivers: add REQ_OP_FLUSH operation mchristi@redhat.com - 2016-06-05 21:40 +0200
  [PATCH 36/45] block: convert is_sync helpers to use REQ_OPs. mchristi@redhat.com - 2016-06-05 21:40 +0200
  [PATCH 14/45] btrfs: use bio fields for op and flags mchristi@redhat.com - 2016-06-05 21:40 +0200
  [PATCH 05/45] block, drivers, cgroup: use op_is_write helper instead of checking for REQ_WRITE mchristi@redhat.com - 2016-06-05 21:40 +0200
    Re: [PATCH 05/45] block, drivers, cgroup: use op_is_write helper  instead of checking for REQ_WRITE Hannes Reinecke <hare@suse.de> - 2016-06-06 08:20 +0200
  [PATCH 40/45] block: move bio io prio to a new field mchristi@redhat.com - 2016-06-05 21:40 +0200
  [PATCH 23/45] dm: pass dm stats data dir instead of bi_rw mchristi@redhat.com - 2016-06-05 21:40 +0200
  [PATCH 41/45] block, drivers, fs: shrink bi_rw from long to int mchristi@redhat.com - 2016-06-05 21:40 +0200
  [PATCH 45/45] block, drivers, fs: rename REQ_FLUSH to REQ_PREFLUSH mchristi@redhat.com - 2016-06-05 21:40 +0200
  [PATCH 44/45] block: do not use REQ_FLUSH for tracking flush support mchristi@redhat.com - 2016-06-05 21:40 +0200
  [PATCH 38/45] blktrace: use op accessors mchristi@redhat.com - 2016-06-05 21:40 +0200
  [PATCH 42/45] block, fs, drivers: remove REQ_OP compat defs and related code mchristi@redhat.com - 2016-06-05 21:40 +0200
    Re: [PATCH 42/45] block, fs, drivers: remove REQ_OP compat defs and  related code kbuild test robot <lkp@intel.com> - 2016-06-05 23:00 +0200
    Re: [PATCH 42/45] block, fs, drivers: remove REQ_OP compat defs and  related code kbuild test robot <lkp@intel.com> - 2016-06-05 23:40 +0200
    Re: [PATCH 42/45] block, fs, drivers: remove REQ_OP compat defs and  related code kbuild test robot <lkp@intel.com> - 2016-06-06 00:10 +0200
  [PATCH 21/45] ocfs2: use bio op accessors mchristi@redhat.com - 2016-06-05 21:40 +0200
  [PATCH 28/45] target: use bio op accessors mchristi@redhat.com - 2016-06-05 21:40 +0200
    Re: [PATCH 28/45] target: use bio op accessors Hannes Reinecke <hare@suse.de> - 2016-06-06 08:50 +0200
      Re: [PATCH 28/45] target: use bio op accessors Hannes Reinecke <hare@suse.de> - 2016-06-06 17:50 +0200
      Re: [PATCH 28/45] target: use bio op accessors Mike Christie <mchristi@redhat.com> - 2016-06-06 17:50 +0200
  [PATCH 15/45] f2fs: use bio op accessors mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 02/45] block: add REQ_OP definitions and helpers mchristi@redhat.com - 2016-06-05 21:50 +0200
    Re: [PATCH 02/45] block: add REQ_OP definitions and helpers Hannes Reinecke <hare@suse.de> - 2016-06-06 08:20 +0200
  [PATCH 22/45] pm: use bio op accessors mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 33/45] block: prepare elevator to use REQ_OPs. mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 18/45] hfsplus: use bio op accessors mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 20/45] nilfs: use bio op accessors mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 06/45] dm: use op_is_write instead of checking for REQ_WRITE mchristi@redhat.com - 2016-06-05 21:50 +0200
    Re: [PATCH 06/45] dm: use op_is_write instead of checking for  REQ_WRITE Hannes Reinecke <hare@suse.de> - 2016-06-06 08:20 +0200
  [PATCH 19/45] mpage: use bio op accessors mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 16/45] gfs2: use bio op accessors mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 26/45] drbd: use bio op accessors mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 32/45] block: prepare mq request creation to use REQ_OPs mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 27/45] md: use bio op accessors mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 34/45] blkg_rwstat: separate op from flags mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 17/45] xfs: use bio op accessors mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 07/45] bcache: use op_is_write instead of checking for REQ_WRITE mchristi@redhat.com - 2016-06-05 21:50 +0200
    Re: [PATCH 07/45] bcache: use op_is_write instead of checking for  REQ_WRITE Hannes Reinecke <hare@suse.de> - 2016-06-06 08:20 +0200
  [PATCH 31/45] block: prepare request creation/destruction code to use REQ_OPs mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 29/45] xen: use bio op accessors mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 30/45] block: copy bio op to request op mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 25/45] bcache: use bio op accessors mchristi@redhat.com - 2016-06-05 21:50 +0200
    Re: [PATCH 25/45] bcache: use bio op accessors Hannes Reinecke <hare@suse.de> - 2016-06-06 08:50 +0200
  [PATCH 24/45] dm: use bio op accessors mchristi@redhat.com - 2016-06-05 21:50 +0200
    Re: [PATCH 24/45] dm: use bio op accessors Hannes Reinecke <hare@suse.de> - 2016-06-06 08:50 +0200
  [PATCH 04/45] fs: have ll_rw_block users pass in op and flags separately mchristi@redhat.com - 2016-06-05 21:50 +0200
  [PATCH 11/45] btrfs: have submit_one_bio users use bio op accessors mchristi@redhat.com - 2016-06-05 22:00 +0200
  [PATCH 08/45] block, fs, mm, drivers: use bio set/get op accessors mchristi@redhat.com - 2016-06-05 22:00 +0200
    Re: [PATCH 08/45] block, fs, mm, drivers: use bio set/get op  accessors Hannes Reinecke <hare@suse.de> - 2016-06-06 08:30 +0200
  [PATCH 09/45] block discard: use bio set op accessor mchristi@redhat.com - 2016-06-05 22:00 +0200
  [PATCH 13/45] btrfs: update __btrfs_map_block for REQ_OP transition mchristi@redhat.com - 2016-06-05 22:00 +0200
  [PATCH 12/45] btrfs: use bio op accessors mchristi@redhat.com - 2016-06-05 22:00 +0200
  [PATCH 10/45] direct-io: use bio set/get op accessors mchristi@redhat.com - 2016-06-05 22:00 +0200
  [PATCH 03/45] fs: have submit_bh users pass in op and flags separately mchristi@redhat.com - 2016-06-05 22:00 +0200

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