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bcache: remove PTR_CACHE

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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>
This commit is contained in:
Christoph Hellwig 2021-04-11 21:43:11 +08:00 committed by Jens Axboe
parent 13e1db65d2
commit 11e9560e6c
8 changed files with 14 additions and 23 deletions
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5
drivers/md/bcache/alloc.c
View File

@ -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)

11
drivers/md/bcache/bcache.h
View File

@ -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 */

4
drivers/md/bcache/btree.c
View File

@ -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);

2
drivers/md/bcache/debug.c
View File

@ -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;

4
drivers/md/bcache/extents.c
View File

@ -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));

4
drivers/md/bcache/io.c
View File

@ -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))

2
drivers/md/bcache/journal.c
View File

@ -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);

5
drivers/md/bcache/writeback.c
View File

@ -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))