diff options
Diffstat (limited to 'fs/bcachefs/super-io.c')
| -rw-r--r-- | fs/bcachefs/super-io.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c index 572b06bfa0b8..e27422b6d9c6 100644 --- a/fs/bcachefs/super-io.c +++ b/fs/bcachefs/super-io.c @@ -248,7 +248,7 @@ struct bch_sb_field *bch2_sb_field_resize_id(struct bch_sb_handle *sb, struct bch_sb_handle *dev_sb = &ca->disk_sb; if (bch2_sb_realloc(dev_sb, le32_to_cpu(dev_sb->sb->u64s) + d)) { - percpu_ref_put(&ca->io_ref); + percpu_ref_put(&ca->io_ref[READ]); return NULL; } } @@ -945,7 +945,7 @@ static void write_super_endio(struct bio *bio) } closure_put(&ca->fs->sb_write); - percpu_ref_put(&ca->io_ref); + percpu_ref_put(&ca->io_ref[READ]); } static void read_back_super(struct bch_fs *c, struct bch_dev *ca) @@ -963,7 +963,7 @@ static void read_back_super(struct bch_fs *c, struct bch_dev *ca) this_cpu_add(ca->io_done->sectors[READ][BCH_DATA_sb], bio_sectors(bio)); - percpu_ref_get(&ca->io_ref); + percpu_ref_get(&ca->io_ref[READ]); closure_bio_submit(bio, &c->sb_write); } @@ -989,7 +989,7 @@ static void write_one_super(struct bch_fs *c, struct bch_dev *ca, unsigned idx) this_cpu_add(ca->io_done->sectors[WRITE][BCH_DATA_sb], bio_sectors(bio)); - percpu_ref_get(&ca->io_ref); + percpu_ref_get(&ca->io_ref[READ]); closure_bio_submit(bio, &c->sb_write); } @@ -1014,13 +1014,20 @@ int bch2_write_super(struct bch_fs *c) closure_init_stack(cl); memset(&sb_written, 0, sizeof(sb_written)); + /* + * Note: we do writes to RO devices here, and we might want to change + * that in the future. + * + * For now, we expect to be able to call write_super() when we're not + * yet RW: + */ for_each_online_member(c, ca) { ret = darray_push(&online_devices, ca); if (bch2_fs_fatal_err_on(ret, c, "%s: error allocating online devices", __func__)) { - percpu_ref_put(&ca->io_ref); + percpu_ref_put(&ca->io_ref[READ]); goto out; } - percpu_ref_get(&ca->io_ref); + percpu_ref_get(&ca->io_ref[READ]); } /* Make sure we're using the new magic numbers: */ @@ -1186,7 +1193,7 @@ out: /* Make new options visible after they're persistent: */ bch2_sb_update(c); darray_for_each(online_devices, ca) - percpu_ref_put(&(*ca)->io_ref); + percpu_ref_put(&(*ca)->io_ref[READ]); darray_exit(&online_devices); printbuf_exit(&err); return ret; |