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Code Issues Releases Wiki Activity

bcachefs: mempoolify btree_trans

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2018-08-08 21:22:46 -04:00 committed by Kent Overstreet
parent cc1add4a80
commit 581edb6341
5 changed files with 13 additions and 13 deletions
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2
fs/bcachefs/bcachefs.h
View file

@ -580,6 +580,8 @@ struct bch_fs {
struct mutex btree_interior_update_lock;
struct closure_waitlist btree_interior_update_wait;
mempool_t btree_iters_pool;
struct workqueue_struct *wq;
/* copygc needs its own workqueue for index updates.. */
struct workqueue_struct *copygc_wq;

15
fs/bcachefs/btree_iter.c
View file

@ -1648,10 +1648,7 @@ static int btree_trans_realloc_iters(struct btree_trans *trans)
bch2_trans_unlock(trans);
new_iters = kmalloc(sizeof(struct btree_iter) * BTREE_ITER_MAX,
GFP_NOFS);
if (!new_iters)
return -ENOMEM;
new_iters = mempool_alloc(&trans->c->btree_iters_pool, GFP_NOFS);
memcpy(new_iters, trans->iters,
sizeof(struct btree_iter) * trans->nr_iters);
@ -1679,12 +1676,10 @@ static int btree_trans_realloc_iters(struct btree_trans *trans)
return 0;
}
int bch2_trans_preload_iters(struct btree_trans *trans)
void bch2_trans_preload_iters(struct btree_trans *trans)
{
if (trans->iters != trans->iters_onstack)
return 0;
return btree_trans_realloc_iters(trans);
if (trans->iters == trans->iters_onstack)
btree_trans_realloc_iters(trans);
}
static struct btree_iter *__btree_trans_get_iter(struct btree_trans *trans,
@ -1868,7 +1863,7 @@ int bch2_trans_exit(struct btree_trans *trans)
kfree(trans->mem);
if (trans->iters != trans->iters_onstack)
kfree(trans->iters);
mempool_free(trans->iters, &trans->c->btree_iters_pool);
trans->mem = (void *) 0x1;
trans->iters = (void *) 0x1;
return ret;

2
fs/bcachefs/btree_iter.h
View file

@ -270,7 +270,7 @@ static inline int btree_iter_err(struct bkey_s_c k)
/* new multiple iterator interface: */
int bch2_trans_preload_iters(struct btree_trans *);
void bch2_trans_preload_iters(struct btree_trans *);
void bch2_trans_iter_free(struct btree_trans *,
struct btree_iter *);

4
fs/bcachefs/fsck.c
View file

@ -398,7 +398,7 @@ static int check_dirents(struct bch_fs *c)
bch2_trans_init(&trans, c);
BUG_ON(bch2_trans_preload_iters(&trans));
bch2_trans_preload_iters(&trans);
iter = bch2_trans_get_iter(&trans, BTREE_ID_DIRENTS,
POS(BCACHEFS_ROOT_INO, 0), 0);
@ -539,7 +539,7 @@ static int check_xattrs(struct bch_fs *c)
bch2_trans_init(&trans, c);
BUG_ON(bch2_trans_preload_iters(&trans));
bch2_trans_preload_iters(&trans);
iter = bch2_trans_get_iter(&trans, BTREE_ID_XATTRS,
POS(BCACHEFS_ROOT_INO, 0), 0);

3
fs/bcachefs/super.c
View file

@ -372,6 +372,7 @@ static void bch2_fs_free(struct bch_fs *c)
bch2_fs_compress_exit(c);
percpu_free_rwsem(&c->usage_lock);
free_percpu(c->usage_percpu);
mempool_exit(&c->btree_iters_pool);
mempool_exit(&c->btree_bounce_pool);
bioset_exit(&c->btree_bio);
mempool_exit(&c->btree_interior_update_pool);
@ -600,6 +601,8 @@ static struct bch_fs *bch2_fs_alloc(struct bch_sb *sb, struct bch_opts opts)
percpu_init_rwsem(&c->usage_lock) ||
mempool_init_kvpmalloc_pool(&c->btree_bounce_pool, 1,
btree_bytes(c)) ||
mempool_init_kmalloc_pool(&c->btree_iters_pool, 1,
sizeof(struct btree_iter) * BTREE_ITER_MAX) ||
bch2_io_clock_init(&c->io_clock[READ]) ||
bch2_io_clock_init(&c->io_clock[WRITE]) ||
bch2_fs_journal_init(&c->journal) ||