lkml.org 
[lkml]   [2017]   [Sep]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC PATCH 1/2] block: Treat all read ops as synchronous
Date
We added some in/out ops(eg. REQ_OP_SCSI_IN/OUT), but currently the
op_is_sync() is only checking REQ_OP_READ.

So treat all read ops as synchronous.

Fixes: aebf526b53ae ("block: fold cmd_type into the REQ_OP_ space")
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---

include/linux/blk_types.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index a2d2aa709cef..9b623ea4faa6 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -288,8 +288,7 @@ static inline bool op_is_flush(unsigned int op)
*/
static inline bool op_is_sync(unsigned int op)
{
- return (op & REQ_OP_MASK) == REQ_OP_READ ||
- (op & (REQ_SYNC | REQ_FUA | REQ_PREFLUSH));
+ return !op_is_write(op) || (op & (REQ_SYNC | REQ_FUA | REQ_PREFLUSH));
}

typedef unsigned int blk_qc_t;
--
2.11.0

\
 
 \ /
  Last update: 2017-09-30 10:14    [W:0.039 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site