Commit 47e30149 authored by Jeffle Xu's avatar Jeffle Xu Committed by Miklos Szeredi
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fuse: avoid unnecessary spinlock bump 



Move dmap free worker kicker inside the critical region, so that extra
spinlock lock/unlock could be avoided.

Suggested-by: default avatarLiu Jiang <gerry@linux.alibaba.com>
Signed-off-by: default avatarJeffle Xu <jefflexu@linux.alibaba.com>
Reviewed-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: default avatarVivek Goyal <vgoyal@redhat.com>
Signed-off-by: default avatarMiklos Szeredi <mszeredi@redhat.com>
parent 2fdbb8dd

fs/fuse/dax.c

+1 −1
Original line number Diff line number Diff line
@@ -138,9 +138,9 @@ static struct fuse_dax_mapping *alloc_dax_mapping(struct fuse_conn_dax *fcd) 
		WARN_ON(fcd->nr_free_ranges <= 0);

		fcd->nr_free_ranges--;

	}

	__kick_dmap_free_worker(fcd, 0);

	spin_unlock(&fcd->lock);



	kick_dmap_free_worker(fcd, 0);

	return dmap;

}