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2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf

 kernel/fs/nilfs2/alloc.c
.. .. @@ -205,7 +205,8 @@
205 205  	int ret;
206 206  
207 207  	spin_lock(lock);
208 -	if (prev->bh && blkoff == prev->blkoff) {
208 +	if (prev->bh && blkoff == prev->blkoff &&
209 +	    likely(buffer_uptodate(prev->bh))) {
209 210  		get_bh(prev->bh);
210 211  		*bhp = prev->bh;
211 212  		spin_unlock(lock);

..	..	@@ -205,7 +205,8 @@
205	205	int ret;
206	206
207	207	spin_lock(lock);
208		- if (prev->bh && blkoff == prev->blkoff) {
	208	+ if (prev->bh && blkoff == prev->blkoff &&
	209	+ likely(buffer_uptodate(prev->bh))) {
209	210	get_bh(prev->bh);
210	211	*bhp = prev->bh;
211	212	spin_unlock(lock);