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md/raid5-cache: do not need to set STRIPE_PREREAD_ACTIVE repeatedly 

R5c_make_stripe_write_out has set this flag, do not need to set again.

Signed-off-by: JackieLiu <liuyun01@kylinos.cn>
Signed-off-by: Shaohua Li <shli@fb.com>
This commit is contained in:
JackieLiu 2016-11-29 11:57:30 +08:00 committed by Shaohua Li
parent dbd22c8d7f
commit 1a0ec5c30c
1 changed files with 0 additions and 2 deletions
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2
drivers/md/raid5-cache.c
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@ -1247,8 +1247,6 @@ static void r5c_flush_stripe(struct r5conf *conf, struct stripe_head *sh)
atomic_inc(&conf->active_stripes);
r5c_make_stripe_write_out(sh);
if (!test_and_set_bit(STRIPE_PREREAD_ACTIVE, &sh->state))
atomic_inc(&conf->preread_active_stripes);
raid5_release_stripe(sh);
}