mainline inclusion from v5.13-rc1 commit 33ec5dfe8f42aaf0163a16e2b450ab06f3a7f1f3 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I59A5L?from=project-issue CVE: N/A The patch "bcache: remove PTR_CACHE" introduces a compiling failure in debug.c with following error message, In file included from drivers/md/bcache/bcache.h:182:0, from drivers/md/bcache/debug.c:9: drivers/md/bcache/debug.c: In function 'bch_btree_verify': drivers/md/bcache/debug.c:53:19: error: 'c' undeclared (first use in this function) bio_set_dev(bio, c->cache->bdev); ^ This patch fixes the regression by replacing c->cache->bdev by b->c-> cache->bdev. Signed-off-by: Coly Li <colyli@suse.de> Cc: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20210411134316.80274-8-colyli@suse.de Signed-off-by: Jens Axboe <axboe@kernel.dk> --- drivers/md/bcache/debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c index b2eb59b9cd71..45e7d54a40ff 100644 --- a/drivers/md/bcache/debug.c +++ b/drivers/md/bcache/debug.c @@ -50,7 +50,7 @@ void bch_btree_verify(struct btree *b) v->keys.ops = b->keys.ops; bio = bch_bbio_alloc(b->c); - bio_set_dev(bio, c->cache->bdev); + bio_set_dev(bio, b->c->cache->bdev); bio->bi_iter.bi_sector = PTR_OFFSET(&b->key, 0); bio->bi_iter.bi_size = KEY_SIZE(&v->key) << 9; bio->bi_opf = REQ_OP_READ | REQ_META; -- 2.35.3