diff --git a/fs/bcachefs/journal.c b/fs/bcachefs/journal.c index 5dabbf3c0965cc22d93d665c747f4d23c94a7863..05b1250619eccd847f2b52b9fc82713e9638b249 100644 --- a/fs/bcachefs/journal.c +++ b/fs/bcachefs/journal.c @@ -1021,8 +1021,8 @@ struct journal_buf *bch2_next_write_buffer_flush_journal_buf(struct journal *j, /* allocate journal on a device: */ -static int __bch2_set_nr_journal_buckets(struct bch_dev *ca, unsigned nr, - bool new_fs, struct closure *cl) +static int bch2_set_nr_journal_buckets_iter(struct bch_dev *ca, unsigned nr, + bool new_fs, struct closure *cl) { struct bch_fs *c = ca->fs; struct journal_device *ja = &ca->journal; @@ -1150,26 +1150,20 @@ static int __bch2_set_nr_journal_buckets(struct bch_dev *ca, unsigned nr, return ret; } -/* - * Allocate more journal space at runtime - not currently making use if it, but - * the code works: - */ -int bch2_set_nr_journal_buckets(struct bch_fs *c, struct bch_dev *ca, - unsigned nr) +static int bch2_set_nr_journal_buckets_loop(struct bch_fs *c, struct bch_dev *ca, + unsigned nr, bool new_fs) { struct journal_device *ja = &ca->journal; - struct closure cl; int ret = 0; + struct closure cl; closure_init_stack(&cl); - down_write(&c->state_lock); - /* don't handle reducing nr of buckets yet: */ if (nr < ja->nr) - goto unlock; + return 0; - while (ja->nr < nr) { + while (!ret && ja->nr < nr) { struct disk_reservation disk_res = { 0, 0, 0 }; /* @@ -1182,27 +1176,38 @@ int bch2_set_nr_journal_buckets(struct bch_fs *c, struct bch_dev *ca, * filesystem-wide allocation will succeed, this is a device * specific allocation - we can hang here: */ + if (!new_fs) { + ret = bch2_disk_reservation_get(c, &disk_res, + bucket_to_sector(ca, nr - ja->nr), 1, 0); + if (ret) + break; + } - ret = bch2_disk_reservation_get(c, &disk_res, - bucket_to_sector(ca, nr - ja->nr), 1, 0); - if (ret) - break; + ret = bch2_set_nr_journal_buckets_iter(ca, nr, new_fs, &cl); - ret = __bch2_set_nr_journal_buckets(ca, nr, false, &cl); + if (ret == -BCH_ERR_bucket_alloc_blocked || + ret == -BCH_ERR_open_buckets_empty) + ret = 0; /* wait and retry */ bch2_disk_reservation_put(c, &disk_res); - closure_sync(&cl); - - if (ret && - ret != -BCH_ERR_bucket_alloc_blocked && - ret != -BCH_ERR_open_buckets_empty) - break; } - bch_err_fn(c, ret); -unlock: + return ret; +} + +/* + * Allocate more journal space at runtime - not currently making use if it, but + * the code works: + */ +int bch2_set_nr_journal_buckets(struct bch_fs *c, struct bch_dev *ca, + unsigned nr) +{ + down_write(&c->state_lock); + int ret = bch2_set_nr_journal_buckets_loop(c, ca, nr, false); up_write(&c->state_lock); + + bch_err_fn(c, ret); return ret; } @@ -1228,7 +1233,7 @@ int bch2_dev_journal_alloc(struct bch_dev *ca, bool new_fs) min(1 << 13, (1 << 24) / ca->mi.bucket_size)); - ret = __bch2_set_nr_journal_buckets(ca, nr, new_fs, NULL); + ret = bch2_set_nr_journal_buckets_loop(ca->fs, ca, nr, new_fs); err: bch_err_fn(ca, ret); return ret;