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authorKent Overstreet <kmo@daterainc.com>2013-09-25 03:26:05 +0400
committerKent Overstreet <kmo@daterainc.com>2013-11-24 10:33:51 +0400
commit458b76ed2f9517becb74dcc8eedd70d3068ea6e4 (patch)
treeb01b2150b197e0759b3ba59c0f9367d4477ebb8c /arch/arm/mach-vexpress/ct-ca9x4.c
parentd57a5f7c6605f15f3b5134837e68b448a7cea88e (diff)
downloadlinux-458b76ed2f9517becb74dcc8eedd70d3068ea6e4.tar.xz
block: Kill bio_segments()/bi_vcnt usage
When we start sharing biovecs, keeping bi_vcnt accurate for splits is going to be error prone - and unnecessary, if we refactor some code. So bio_segments() has to go - but most of the existing users just needed to know if the bio had multiple segments, which is easier - add a bio_multiple_segments() for them. (Two of the current uses of bio_segments() are going to go away in a couple patches, but the current implementation of bio_segments() is unsafe as soon as we start doing driver conversions for immutable biovecs - so implement a dumb version for bisectability, it'll go away in a couple patches) Signed-off-by: Kent Overstreet <kmo@daterainc.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Neil Brown <neilb@suse.de> Cc: Nagalakshmi Nandigama <Nagalakshmi.Nandigama@lsi.com> Cc: Sreekanth Reddy <Sreekanth.Reddy@lsi.com> Cc: "James E.J. Bottomley" <JBottomley@parallels.com>
Diffstat (limited to 'arch/arm/mach-vexpress/ct-ca9x4.c')
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