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md: add __acquires/__releases annotations to (un)lock_two_stripes
This tells sparse that we acquire/release the two stripe locks and avoids a warning. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Song Liu <songliubraving@fb.com>
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1 changed files with 4 additions and 0 deletions
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@ -711,6 +711,8 @@ static bool is_full_stripe_write(struct stripe_head *sh)
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}
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}
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static void lock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)
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static void lock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)
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__acquires(&sh1->stripe_lock)
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__acquires(&sh2->stripe_lock)
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{
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{
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if (sh1 > sh2) {
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if (sh1 > sh2) {
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spin_lock_irq(&sh2->stripe_lock);
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spin_lock_irq(&sh2->stripe_lock);
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@ -722,6 +724,8 @@ static void lock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)
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}
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}
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static void unlock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)
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static void unlock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)
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__releases(&sh1->stripe_lock)
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__releases(&sh2->stripe_lock)
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{
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{
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spin_unlock(&sh1->stripe_lock);
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spin_unlock(&sh1->stripe_lock);
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spin_unlock_irq(&sh2->stripe_lock);
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spin_unlock_irq(&sh2->stripe_lock);
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