GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-23 07:12:09 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

block: Consolidate phys_segment and hw_segment limits

Browse source 
Except for SCSI no device drivers distinguish between physical and
hardware segment limits.  Consolidate the two into a single segment
limit.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Martin K. Petersen 2010-02-26 00:20:39 -05:00 • committed by Jens Axboe
parent 086fa5ff08
commit 8a78362c4e
35 changed files with 70 additions and 136 deletions
Download patch file Download diff file Expand all files Collapse all files

27
include/linux/blkdev.h
View file

@ -316,8 +316,7 @@ struct queue_limits {
unsigned int discard_alignment;
unsigned short logical_block_size;
unsigned short max_hw_segments;
unsigned short max_phys_segments;
unsigned short max_segments;
unsigned char misaligned;
unsigned char discard_misaligned;
@ -929,8 +928,19 @@ static inline void blk_queue_max_sectors(struct request_queue *q, unsigned int m
blk_queue_max_hw_sectors(q, max);
}
extern void blk_queue_max_phys_segments(struct request_queue *, unsigned short);
extern void blk_queue_max_hw_segments(struct request_queue *, unsigned short);
extern void blk_queue_max_segments(struct request_queue *, unsigned short);
static inline void blk_queue_max_phys_segments(struct request_queue *q, unsigned short max)
{
blk_queue_max_segments(q, max);
}
static inline void blk_queue_max_hw_segments(struct request_queue *q, unsigned short max)
{
blk_queue_max_segments(q, max);
}
extern void blk_queue_max_segment_size(struct request_queue *, unsigned int);
extern void blk_queue_max_discard_sectors(struct request_queue *q,
unsigned int max_discard_sectors);
@ -1055,14 +1065,9 @@ static inline unsigned int queue_max_hw_sectors(struct request_queue *q)
return q->limits.max_hw_sectors;
}
static inline unsigned short queue_max_hw_segments(struct request_queue *q)
static inline unsigned short queue_max_segments(struct request_queue *q)
{
return q->limits.max_hw_segments;
}
static inline unsigned short queue_max_phys_segments(struct request_queue *q)
{
return q->limits.max_phys_segments;
return q->limits.max_segments;
}
static inline unsigned int queue_max_segment_size(struct request_queue *q)