A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 19:21:31 -04:00
Code Issues Projects Releases Packages Wiki Activity

block: Fix bounce limit setting in DM

Browse source 
blk_queue_bounce_limit() is more than a wrapper about the request queue
limits.bounce_pfn variable.  Introduce blk_queue_bounce_pfn() which can
be called by stacking drivers that wish to set the bounce limit
explicitly.

Signed-off-by: Martin K. Petersen <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Martin K. Petersen 2009-06-03 09:33:18 +02:00 • committed by Jens Axboe
commit a05c0205ba
3 changed files with 19 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

17
block/blk-settings.c
View file

@ -193,6 +193,23 @@ void blk_queue_bounce_limit(struct request_queue *q, u64 dma_mask)
}
EXPORT_SYMBOL(blk_queue_bounce_limit);
/**
* blk_queue_bounce_pfn - set the bounce buffer limit for queue
* @q: the request queue for the device
* @pfn: max address
*
* Description:
* This function is similar to blk_queue_bounce_limit except it
* neither changes allocation flags, nor does it set up the ISA DMA
* pool. This function should only be used by stacking drivers.
* Hardware drivers should use blk_queue_bounce_limit instead.
*/
void blk_queue_bounce_pfn(struct request_queue *q, u64 pfn)
{
q->limits.bounce_pfn = pfn;
}
EXPORT_SYMBOL(blk_queue_bounce_pfn);
/**
* blk_queue_max_sectors - set max sectors for a request for this queue
* @q: the request queue for the device