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raid5-cache: don't set STRIPE_R5C_PARTIAL_STRIPE flag while load stripe into cache 

r5c_recovery_load_one_stripe should not set STRIPE_R5C_PARTIAL_STRIPE flag,as
the data-only stripe may be STRIPE_R5C_FULL_STRIPE stripe. The state machine
would release the stripe later and add it into neither r5c_cached_full_stripes
list or r5c_cached_partial_stripes list and set correct flag.

Reviewed-by: JackieLiu <liuyun01@kylinos.cn>
Signed-off-by: Zhengyuan Liu <liuzhengyuan@kylinos.cn>
Signed-off-by: Shaohua Li <shli@fb.com>
This commit is contained in:
Zhengyuan Liu 2016-11-26 10:57:14 +08:00 committed by Shaohua Li
parent f7b7bee75e
commit 462eb7d872
1 changed files with 1 additions and 3 deletions
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4
drivers/md/raid5-cache.c
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@ -1919,7 +1919,6 @@ r5c_recovery_analyze_meta_block(struct r5l_log *log,
static void r5c_recovery_load_one_stripe(struct r5l_log *log,
struct stripe_head *sh)
{
struct r5conf *conf = sh->raid_conf;
struct r5dev *dev;
int i;
@ -1930,9 +1929,8 @@ static void r5c_recovery_load_one_stripe(struct r5l_log *log,
set_bit(R5_UPTODATE, &dev->flags);
}
}
set_bit(STRIPE_R5C_PARTIAL_STRIPE, &sh->state);
atomic_inc(&conf->r5c_cached_partial_stripes);
list_add_tail(&sh->r5c, &log->stripe_in_journal_list);
atomic_inc(&log->stripe_in_journal_count);
}
/*