btrfs: use cond_resched_rwlock_write() during inode eviction
At evict_inode_truncate_pages(), instead of manually checking if rescheduling is needed, then unlock the extent map tree, reschedule and then write lock again the tree, use the helper cond_resched_rwlock_write() which does all that. Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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@ -5305,11 +5305,7 @@ static void evict_inode_truncate_pages(struct inode *inode)
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clear_bit(EXTENT_FLAG_LOGGING, &em->flags);
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remove_extent_mapping(map_tree, em);
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free_extent_map(em);
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if (need_resched()) {
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write_unlock(&map_tree->lock);
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cond_resched();
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write_lock(&map_tree->lock);
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}
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cond_resched_rwlock_write(&map_tree->lock);
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}
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write_unlock(&map_tree->lock);
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