From: Christoph Hellwig hch@lst.de
mainline inclusion from 5.13-rc1 commit 11e9560e6c005b4adca12d17b27dc5ac22b40663 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I59A5L?from=project-issue CVE: N/A
Remove the PTR_CACHE inline and replace it with a direct dereference of c->cache.
(Coly Li: fix the typo from PTR_BUCKET to PTR_CACHE in commit log)
Signed-off-by: Christoph Hellwig hch@lst.de Signed-off-by: Coly Li colyli@suse.de Link: https://lore.kernel.org/r/20210411134316.80274-3-colyli@suse.de Signed-off-by: Jens Axboe axboe@kernel.dk --- drivers/md/bcache/alloc.c | 5 ++--- drivers/md/bcache/bcache.h | 11 ++--------- drivers/md/bcache/btree.c | 4 ++-- drivers/md/bcache/debug.c | 2 +- drivers/md/bcache/extents.c | 4 ++-- drivers/md/bcache/io.c | 4 ++-- drivers/md/bcache/journal.c | 2 +- drivers/md/bcache/writeback.c | 5 ++--- 8 files changed, 14 insertions(+), 23 deletions(-)
diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c index 8c371d5eef8e..097577ae3c47 100644 --- a/drivers/md/bcache/alloc.c +++ b/drivers/md/bcache/alloc.c @@ -482,8 +482,7 @@ void bch_bucket_free(struct cache_set *c, struct bkey *k) unsigned int i;
for (i = 0; i < KEY_PTRS(k); i++) - __bch_bucket_free(PTR_CACHE(c, k, i), - PTR_BUCKET(c, k, i)); + __bch_bucket_free(c->cache, PTR_BUCKET(c, k, i)); }
int __bch_bucket_alloc_set(struct cache_set *c, unsigned int reserve, @@ -674,7 +673,7 @@ bool bch_alloc_sectors(struct cache_set *c, SET_PTR_OFFSET(&b->key, i, PTR_OFFSET(&b->key, i) + sectors);
atomic_long_add(sectors, - &PTR_CACHE(c, &b->key, i)->sectors_written); + &c->cache->sectors_written); }
if (b->sectors_free < c->cache->sb.block_size) diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index 848dd4db1659..0a4551e165ab 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -804,13 +804,6 @@ static inline sector_t bucket_remainder(struct cache_set *c, sector_t s) return s & (c->cache->sb.bucket_size - 1); }
-static inline struct cache *PTR_CACHE(struct cache_set *c, - const struct bkey *k, - unsigned int ptr) -{ - return c->cache; -} - static inline size_t PTR_BUCKET_NR(struct cache_set *c, const struct bkey *k, unsigned int ptr) @@ -822,7 +815,7 @@ static inline struct bucket *PTR_BUCKET(struct cache_set *c, const struct bkey *k, unsigned int ptr) { - return PTR_CACHE(c, k, ptr)->buckets + PTR_BUCKET_NR(c, k, ptr); + return c->cache->buckets + PTR_BUCKET_NR(c, k, ptr); }
static inline uint8_t gen_after(uint8_t a, uint8_t b) @@ -841,7 +834,7 @@ static inline uint8_t ptr_stale(struct cache_set *c, const struct bkey *k, static inline bool ptr_available(struct cache_set *c, const struct bkey *k, unsigned int i) { - return (PTR_DEV(k, i) < MAX_CACHES_PER_SET) && PTR_CACHE(c, k, i); + return (PTR_DEV(k, i) < MAX_CACHES_PER_SET) && c->cache; }
/* Btree key macros */ diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index fe6dce125aba..183a58c89377 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -426,7 +426,7 @@ void __bch_btree_node_write(struct btree *b, struct closure *parent) do_btree_node_write(b);
atomic_long_add(set_blocks(i, block_bytes(b->c->cache)) * b->c->cache->sb.block_size, - &PTR_CACHE(b->c, &b->key, 0)->btree_sectors_written); + &b->c->cache->btree_sectors_written);
b->written += set_blocks(i, block_bytes(b->c->cache)); } @@ -1161,7 +1161,7 @@ static void make_btree_freeing_key(struct btree *b, struct bkey *k)
for (i = 0; i < KEY_PTRS(k); i++) SET_PTR_GEN(k, i, - bch_inc_gen(PTR_CACHE(b->c, &b->key, i), + bch_inc_gen(b->c->cache, PTR_BUCKET(b->c, &b->key, i)));
mutex_unlock(&b->c->bucket_lock); diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c index b00fd08d696b..b2eb59b9cd71 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, PTR_CACHE(b->c, &b->key, 0)->bdev); + bio_set_dev(bio, 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; diff --git a/drivers/md/bcache/extents.c b/drivers/md/bcache/extents.c index f4658a1f37b8..d626ffcbecb9 100644 --- a/drivers/md/bcache/extents.c +++ b/drivers/md/bcache/extents.c @@ -50,7 +50,7 @@ static bool __ptr_invalid(struct cache_set *c, const struct bkey *k)
for (i = 0; i < KEY_PTRS(k); i++) if (ptr_available(c, k, i)) { - struct cache *ca = PTR_CACHE(c, k, i); + struct cache *ca = c->cache; size_t bucket = PTR_BUCKET_NR(c, k, i); size_t r = bucket_remainder(c, PTR_OFFSET(k, i));
@@ -71,7 +71,7 @@ static const char *bch_ptr_status(struct cache_set *c, const struct bkey *k)
for (i = 0; i < KEY_PTRS(k); i++) if (ptr_available(c, k, i)) { - struct cache *ca = PTR_CACHE(c, k, i); + struct cache *ca = c->cache; size_t bucket = PTR_BUCKET_NR(c, k, i); size_t r = bucket_remainder(c, PTR_OFFSET(k, i));
diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c index dad71a6b7889..e4388fe3ab7e 100644 --- a/drivers/md/bcache/io.c +++ b/drivers/md/bcache/io.c @@ -36,7 +36,7 @@ void __bch_submit_bbio(struct bio *bio, struct cache_set *c) struct bbio *b = container_of(bio, struct bbio, bio);
bio->bi_iter.bi_sector = PTR_OFFSET(&b->key, 0); - bio_set_dev(bio, PTR_CACHE(c, &b->key, 0)->bdev); + bio_set_dev(bio, c->cache->bdev);
b->submit_time_us = local_clock_us(); closure_bio_submit(c, bio, bio->bi_private); @@ -137,7 +137,7 @@ void bch_bbio_count_io_errors(struct cache_set *c, struct bio *bio, blk_status_t error, const char *m) { struct bbio *b = container_of(bio, struct bbio, bio); - struct cache *ca = PTR_CACHE(c, &b->key, 0); + struct cache *ca = c->cache; int is_read = (bio_data_dir(bio) == READ ? 1 : 0);
unsigned int threshold = op_is_write(bio_op(bio)) diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index c6613e817333..de2c0d7699cf 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -768,7 +768,7 @@ static void journal_write_unlocked(struct closure *cl) w->data->csum = csum_set(w->data);
for (i = 0; i < KEY_PTRS(k); i++) { - ca = PTR_CACHE(c, k, i); + ca = c->cache; bio = &ca->journal.bio;
atomic_long_add(sectors, &ca->meta_sectors_written); diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c index 82d4e0880a99..bcd550a2b0da 100644 --- a/drivers/md/bcache/writeback.c +++ b/drivers/md/bcache/writeback.c @@ -416,7 +416,7 @@ static void read_dirty_endio(struct bio *bio) struct dirty_io *io = w->private;
/* is_read = 1 */ - bch_count_io_errors(PTR_CACHE(io->dc->disk.c, &w->key, 0), + bch_count_io_errors(io->dc->disk.c->cache, bio->bi_status, 1, "reading dirty data from cache");
@@ -510,8 +510,7 @@ static void read_dirty(struct cached_dev *dc) dirty_init(w); bio_set_op_attrs(&io->bio, REQ_OP_READ, 0); io->bio.bi_iter.bi_sector = PTR_OFFSET(&w->key, 0); - bio_set_dev(&io->bio, - PTR_CACHE(dc->disk.c, &w->key, 0)->bdev); + bio_set_dev(&io->bio, dc->disk.c->cache->bdev); io->bio.bi_end_io = read_dirty_endio;
if (bch_bio_alloc_pages(&io->bio, GFP_KERNEL))