projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 1027317) | patch
md/raid1: use bio_clone_bioset_partial() in case of write behind
authorMing Lei <tom.leiming@gmail.com>
Tue, 14 Feb 2017 15:29:01 +0000 (23:29 +0800)
committerShaohua Li <shli@fb.com>
Wed, 15 Feb 2017 19:23:49 +0000 (11:23 -0800)
commit8e58e327e25c7fffc3fb79a24c76637bdda37716
tree8fff78e94d9383628b0ffa09438c399116732897tree | snapshot (tar.gz zip)
parent10273170fd5602d8090b1312e66ad4746ab02c94commit | diff
md/raid1: use bio_clone_bioset_partial() in case of write behind

Write behind need to replace pages in bio's bvecs, and we have
to clone a fresh bio with new bvec table, so use the introduced
bio_clone_bioset_partial() for it.

For other bio_clone_mddev() cases, we will use fast clone since
they don't need to touch bvec table.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Shaohua Li <shli@fb.com>
drivers/md/raid1.c diff | blob | blame | history