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Revert "block: Fix bounce limit setting in DM"

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This reverts commit a05c0205ba.

DM doesn't need to access the bounce_pfn directly.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2009-06-09 06:22:57 +02:00
parent 3969251b80
commit 9df1bb9b51
3 changed files with 1 additions and 19 deletions
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17
block/blk-settings.c
View file

@ -193,23 +193,6 @@ 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

2
drivers/md/dm-table.c
View file

@ -920,7 +920,7 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q)
blk_queue_max_segment_size(q, t->limits.max_segment_size);
blk_queue_max_hw_sectors(q, t->limits.max_hw_sectors);
blk_queue_segment_boundary(q, t->limits.seg_boundary_mask);
blk_queue_bounce_pfn(q, t->limits.bounce_pfn);
blk_queue_bounce_limit(q, t->limits.bounce_pfn);
if (t->limits.no_cluster)
queue_flag_clear_unlocked(QUEUE_FLAG_CLUSTER, q);

1
include/linux/blkdev.h
View file

@ -910,7 +910,6 @@ extern struct request_queue *blk_init_queue(request_fn_proc *, spinlock_t *);
extern void blk_cleanup_queue(struct request_queue *);
extern void blk_queue_make_request(struct request_queue *, make_request_fn *);
extern void blk_queue_bounce_limit(struct request_queue *, u64);
extern void blk_queue_bounce_pfn(struct request_queue *, u64);
extern void blk_queue_max_sectors(struct request_queue *, unsigned int);
extern void blk_queue_max_hw_sectors(struct request_queue *, unsigned int);
extern void blk_queue_max_phys_segments(struct request_queue *, unsigned short);