> @@ -109,8 +109,8 @@ static void ext4_finish_bio(struct bio *bio)
> if (bio->bi_error)
> buffer_io_error(bh);
> } while ((bh = bh->b_this_page) != head);
> - bit_spin_unlock(BH_Uptodate_Lock, &head->b_state);
> local_irq_restore(flags);
What if it takes 100ms to unlock after IRQ restored?
> + bit_spin_unlock(BH_Uptodate_Lock, &head->b_state);
> if (!under_io) {
> #ifdef CONFIG_EXT4_FS_ENCRYPTION
> if (ctx)
> --
> 2.5.0
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