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由 NeilBrown 提交于
commit 30bc9b53 md/raid1: fix bio handling problems in process_checks() Move the bio_reset() to a point before where BIO_UPTODATE is checked, so that check now always report that the bio is uptodate, even if it is not. This causes process_check() to sometimes treat read-errors as successful matches so the good data isn't written out. This patch preserves the flag until it is needed. Bug was introduced in 3.11, but backported to 3.10-stable (as it fixed an even worse bug). So suitable for any -stable since 3.10. Reported-and-tested-by: NMichael Tokarev <mjt@tls.msk.ru> Cc: stable@vger.kernel.org (3.10+) Fixed: 30bc9b53Signed-off-by: NNeilBrown <neilb@suse.de>
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