软 RAID5 阅读笔记 十一 RAID6
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1、执行校验与检查操作，若发现数据不一致，则通过计算得出准确数值，并将其存储至磁盘。在此过程中，仅依据当前状态设置对应的标识位，为后续处理提供依据：
static void handle_parity_checks6(raid5_conf_t *conf, struct stripe_head *sh,
struct stripe_head_state *s,
struct r6_state *r6s, int disks)
{
int pd_idx = sh->pd_idx;
int qd_idx = sh->qd_idx;
struct r5dev *dev;
set_bit(STRIPE_HANDLE, &sh->state);
BUG_ON(s->failed > 2);
/* Want to check and possibly repair P and Q. 想检查P，可能修复P和Q
* However there could be one '全部评论 (0)
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