md/raid10: fix incorrect done of recovery
hulk inclusion category: bugfix bugzilla: 188535, https://gitee.com/openeuler/kernel/issues/I6O61Q CVE: NA -------------------------------- Recovery will go to giveup and let chunks_skipped++ in raid10_sync_request if there are some bad_blocks, and it will return max_sector when chunks_skipped >= geo.raid_disks. Now, recovery fail and data is inconsistent but user think recovery is done, it is wrong. Fix it by set mirror's recovery_disabled and spare device shouln't be added to here. Signed-off-by: NLi Nan <linan122@huawei.com> Reviewed-by: NHou Tao <houtao1@huawei.com>
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