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block: remove rq_flush_dcache_pages

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This function is trivial, and flush_dcache_page is always defined, so
just open code it in the 2.5 callers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20211117061404.331732-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2021-11-17 07:13:55 +01:00
committed by Jens Axboe
parent 79478bf9ea
commit 786d4e01c5
4 changed files with 13 additions and 32 deletions
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19
block/blk-core.c
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@@ -1300,25 +1300,6 @@ void blk_steal_bios(struct bio_list *list, struct request *rq)
}
EXPORT_SYMBOL_GPL(blk_steal_bios);
#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
/**
* rq_flush_dcache_pages - Helper function to flush all pages in a request
* @rq: the request to be flushed
*
* Description:
* Flush all pages in @rq.
*/
void rq_flush_dcache_pages(struct request *rq)
{
struct req_iterator iter;
struct bio_vec bvec;
rq_for_each_segment(bvec, rq, iter)
flush_dcache_page(bvec.bv_page);
}
EXPORT_SYMBOL_GPL(rq_flush_dcache_pages);
#endif
/**
* blk_lld_busy - Check if underlying low-level drivers of a device are busy
* @q : the queue of the device being checked