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(parent: 60928a9) | patch
block: introduce bio_copy_data_partial
authorMing Lei <tom.leiming@gmail.com>
Thu, 16 Mar 2017 16:12:29 +0000 (00:12 +0800)
committerShaohua Li <shli@fb.com>
Fri, 24 Mar 2017 17:41:37 +0000 (10:41 -0700)
commit6f8802852f7e58a12177a86179803b9efaad98e2
treebc5c56bd8c109ebd1b293708e2a4024b1ea68d2etree | snapshot (tar.gz zip)
parent60928a91b0b3beca4a1cf2739118f967c783f79acommit | diff
block: introduce bio_copy_data_partial

Turns out we can use bio_copy_data in raid1's write behind,
and we can make alloc_behind_pages() more clean/efficient,
but we need to partial version of bio_copy_data().

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Reviewed-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Shaohua Li <shli@fb.com>
block/bio.c diff | blob | blame | history
include/linux/bio.h diff | blob | blame | history