diff options
| -rw-r--r-- | drivers/md/bcache/bset.c | 12 | ||||
| -rw-r--r-- | drivers/md/bcache/bset.h | 2 | ||||
| -rw-r--r-- | drivers/md/bcache/btree.c | 6 | ||||
| -rw-r--r-- | drivers/md/bcache/request.c | 22 |
4 files changed, 26 insertions, 16 deletions
diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c index e6882659afb9..f91347a55c41 100644 --- a/drivers/md/bcache/bset.c +++ b/drivers/md/bcache/bset.c @@ -14,21 +14,13 @@ /* Keylists */ -int bch_keylist_realloc(struct keylist *l, int nptrs, struct cache_set *c) +int __bch_keylist_realloc(struct keylist *l, unsigned u64s) { size_t oldsize = bch_keylist_nkeys(l); - size_t newsize = oldsize + 2 + nptrs; + size_t newsize = oldsize + u64s; uint64_t *old_keys = l->keys_p == l->inline_keys ? NULL : l->keys_p; uint64_t *new_keys; - /* The journalling code doesn't handle the case where the keys to insert - * is bigger than an empty write: If we just return -ENOMEM here, - * bio_insert() and bio_invalidate() will insert the keys created so far - * and finish the rest when the keylist is empty. - */ - if (newsize * sizeof(uint64_t) > block_bytes(c) - sizeof(struct jset)) - return -ENOMEM; - newsize = roundup_pow_of_two(newsize); if (newsize <= KEYLIST_INLINE || diff --git a/drivers/md/bcache/bset.h b/drivers/md/bcache/bset.h index ba02f055bc64..303d31a3b9e6 100644 --- a/drivers/md/bcache/bset.h +++ b/drivers/md/bcache/bset.h @@ -259,7 +259,7 @@ static inline size_t bch_keylist_bytes(struct keylist *l) struct bkey *bch_keylist_pop(struct keylist *); void bch_keylist_pop_front(struct keylist *); -int bch_keylist_realloc(struct keylist *, int, struct cache_set *); +int __bch_keylist_realloc(struct keylist *, unsigned); void bch_bkey_copy_single_ptr(struct bkey *, const struct bkey *, unsigned); diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index f035ae3b1289..f0a6399fdd3c 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -1356,8 +1356,8 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op, n2->keys -= keys; - if (bch_keylist_realloc(keylist, - KEY_PTRS(&new_nodes[i]->key), b->c)) + if (__bch_keylist_realloc(keylist, + bkey_u64s(&new_nodes[i]->key))) goto out_nocoalesce; bch_btree_node_write(new_nodes[i], &cl); @@ -1365,7 +1365,7 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op, } for (i = 0; i < nodes; i++) { - if (bch_keylist_realloc(keylist, KEY_PTRS(&r[i].b->key), b->c)) + if (__bch_keylist_realloc(keylist, bkey_u64s(&r[i].b->key))) goto out_nocoalesce; make_btree_freeing_key(r[i].b, keylist->top); diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index cce02f19e6c7..fcdb59f9ca91 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -255,6 +255,24 @@ static void bch_data_insert_keys(struct closure *cl) closure_return(cl); } +static int bch_keylist_realloc(struct keylist *l, unsigned u64s, + struct cache_set *c) +{ + size_t oldsize = bch_keylist_nkeys(l); + size_t newsize = oldsize + u64s; + + /* + * The journalling code doesn't handle the case where the keys to insert + * is bigger than an empty write: If we just return -ENOMEM here, + * bio_insert() and bio_invalidate() will insert the keys created so far + * and finish the rest when the keylist is empty. + */ + if (newsize * sizeof(uint64_t) > block_bytes(c) - sizeof(struct jset)) + return -ENOMEM; + + return __bch_keylist_realloc(l, u64s); +} + static void bch_data_invalidate(struct closure *cl) { struct data_insert_op *op = container_of(cl, struct data_insert_op, cl); @@ -267,7 +285,7 @@ static void bch_data_invalidate(struct closure *cl) unsigned sectors = min(bio_sectors(bio), 1U << (KEY_SIZE_BITS - 1)); - if (bch_keylist_realloc(&op->insert_keys, 0, op->c)) + if (bch_keylist_realloc(&op->insert_keys, 2, op->c)) goto out; bio->bi_iter.bi_sector += sectors; @@ -357,7 +375,7 @@ static void bch_data_insert_start(struct closure *cl) /* 1 for the device pointer and 1 for the chksum */ if (bch_keylist_realloc(&op->insert_keys, - 1 + (op->csum ? 1 : 0), + 3 + (op->csum ? 1 : 0), op->c)) continue_at(cl, bch_data_insert_keys, bcache_wq); |