Commit 99ba0c81 authored by Filipe Manana's avatar Filipe Manana Committed by David Sterba
Browse files

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: default avatarFilipe Manana <fdmanana@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent f3109e33

fs/btrfs/inode.c

+1 −5
Original line number Diff line number Diff line
@@ -5305,11 +5305,7 @@ static void evict_inode_truncate_pages(struct inode *inode) 
		clear_bit(EXTENT_FLAG_LOGGING, &em->flags);

		remove_extent_mapping(map_tree, em);

		free_extent_map(em);

		if (need_resched()) {

			write_unlock(&map_tree->lock);

			cond_resched();

			write_lock(&map_tree->lock);

		}

		cond_resched_rwlock_write(&map_tree->lock);

	}

	write_unlock(&map_tree->lock);