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f2fs: report the discard cmd errors properly
In case a discard_cmd is split into several bios, the dc->error must not be overwritten once an error is reported by a bio. Also, move it under dc->lock. Signed-off-by: Sahitya Tummala <stummala@codeaurora.org> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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1 changed files with 2 additions and 2 deletions
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@ -1029,9 +1029,9 @@ static void f2fs_submit_discard_endio(struct bio *bio)
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struct discard_cmd *dc = (struct discard_cmd *)bio->bi_private;
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unsigned long flags;
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dc->error = blk_status_to_errno(bio->bi_status);
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spin_lock_irqsave(&dc->lock, flags);
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if (!dc->error)
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dc->error = blk_status_to_errno(bio->bi_status);
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dc->bio_ref--;
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if (!dc->bio_ref && dc->state == D_SUBMIT) {
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dc->state = D_DONE;
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