rubenslte/android_kernel_samsung_msm8226
1
Fork 1
mirror of https://github.com/LineageOS/android_kernel_samsung_msm8226.git synced 2026-09-28 00:00:22 +02:00
Code Issues Packages Projects Releases Wiki Activity

block: add REQ_URGENT to request flags

Browse Source 
This patch adds a new flag to be used in cmd_flags field of struct request
for marking request as urgent.
Urgent request is the one that should be given priority currently handled
(regular) request by the device driver. The decision of a request urgency
is taken by the scheduler.

Change-Id: Ic20470987ef23410f1d0324f96f00578f7df8717
Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org>
This commit is contained in:
Tatyana Brokhman
2013-02-14 10:48:29 -08:00
committed by Jay Chokshi
parent 98bccc56ed
commit a1916df4c0
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/linux/blk_types.h
+3 -1
View File
@@ -135,7 +135,7 @@ enum rq_flag_bits {
* throttling rules. Don't do it again. */
/* request only flags */
__REQ_SORTED, /* elevator knows about this request */
__REQ_SORTED = __REQ_RAHEAD, /* elevator knows about this request */
__REQ_SOFTBARRIER, /* may not be passed by ioscheduler */
__REQ_NOMERGE, /* don't touch this for merging */
__REQ_STARTED, /* drive already may have started this one */
@@ -151,6 +151,7 @@ enum rq_flag_bits {
__REQ_IO_STAT, /* account I/O stat */
__REQ_MIXED_MERGE, /* merge of different types, fail separately */
__REQ_SANITIZE, /* sanitize */
__REQ_URGENT, /* urgent request */
__REQ_NR_BITS, /* stops here */
};
@@ -163,6 +164,7 @@ enum rq_flag_bits {
#define REQ_PRIO (1 << __REQ_PRIO)
#define REQ_DISCARD (1 << __REQ_DISCARD)
#define REQ_SANITIZE (1 << __REQ_SANITIZE)
#define REQ_URGENT (1 << __REQ_URGENT)
#define REQ_NOIDLE (1 << __REQ_NOIDLE)
#define REQ_FAILFAST_MASK \