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Date: Mon, 25 May 2015 16:17:08 +0200 From: Christoph Hellwig <hch@....de> To: NeilBrown <neilb@...e.de> Cc: Ming Lin <mlin@...nel.org>, lkml <linux-kernel@...r.kernel.org>, Christoph Hellwig <hch@....de>, Kent Overstreet <kent.overstreet@...il.com>, Jens Axboe <axboe@...nel.dk>, Dongsu Park <dpark@...teo.net>, linux-raid@...r.kernel.org Subject: Re: [PATCH v4 06/11] md/raid5: get rid of bio_fits_rdev() On Mon, May 25, 2015 at 05:54:14PM +1000, NeilBrown wrote: > Did I write that? I guess I did :-( > I meant *after*. Don't get rid of bio_fits_rdev until split_bio is in > chunk_aligned_read(). I suspect the whole series could use some reordering. patch 1: add ->bio_split and blk_queue_split patch 2..n: one for each non-trivial driver that implements ->merge_bvec_fn to remove it and instead split bios in ->make_request. The md patch to do the right thing in chunk_aligned_read goes into the general md patch here. The bcache patch also goes into this series. patch n+1: - add blk_queue_split calls for remaining trivial drivers patch n+2: - remove ->merge_bvec_fn and checking of max_sectors a for all drivers, simplify bio_add_page patch n+2: - remove splitting in blkdev_issue_discard patch n+3 - remove bio_fits_rdev patch n+4 - remove bio_get_nr_vecs patch n+4 - use bio_add_page patch n+5 - update documentation -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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