ret = kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, action);
if (ret)
- pr_warn("Sending event '%d' to kobject: '%s' (%p): failed\n",
+ pr_warn("BTRFS: Sending event '%d' to kobject: '%s' (%p): failed\n",
action,
kobject_name(&disk_to_dev(bdev->bd_disk)->kobj),
&disk_to_dev(bdev->bd_disk)->kobj);
if (IS_ERR(*bdev)) {
ret = PTR_ERR(*bdev);
- printk(KERN_INFO "btrfs: open %s failed\n", device_path);
+ printk(KERN_INFO "BTRFS: open %s failed\n", device_path);
goto error;
}
device->running_pending = 1;
spin_unlock(&device->io_lock);
- btrfs_requeue_work(&device->work);
+ btrfs_queue_work(fs_info->submit_workers,
+ &device->work);
goto done;
}
/* unplug every 64 requests just for good measure */
if (disk_super->label[0]) {
if (disk_super->label[BTRFS_LABEL_SIZE - 1])
disk_super->label[BTRFS_LABEL_SIZE - 1] = '\0';
- printk(KERN_INFO "btrfs: device label %s ", disk_super->label);
+ printk(KERN_INFO "BTRFS: device label %s ", disk_super->label);
} else {
- printk(KERN_INFO "btrfs: device fsid %pU ", disk_super->fsid);
+ printk(KERN_INFO "BTRFS: device fsid %pU ", disk_super->fsid);
}
printk(KERN_CONT "devid %llu transid %llu %s\n", devid, transid, path);
}
if (!*device) {
- pr_err("btrfs: no missing device found\n");
+ btrfs_err(root->fs_info, "no missing device found");
return -ENOENT;
}
error:
btrfs_free_path(path);
if (enospc_errors) {
- printk(KERN_INFO "btrfs: %d enospc errors during balance\n",
+ btrfs_info(fs_info, "%d enospc errors during balance",
enospc_errors);
if (!ret)
ret = -ENOSPC;
if (!(bctl->flags & BTRFS_BALANCE_DATA) ||
!(bctl->flags & BTRFS_BALANCE_METADATA) ||
memcmp(&bctl->data, &bctl->meta, sizeof(bctl->data))) {
- printk(KERN_ERR "btrfs: with mixed groups data and "
- "metadata balance options must be the same\n");
+ btrfs_err(fs_info, "with mixed groups data and "
+ "metadata balance options must be the same");
ret = -EINVAL;
goto out;
}
if ((bctl->data.flags & BTRFS_BALANCE_ARGS_CONVERT) &&
(!alloc_profile_is_valid(bctl->data.target, 1) ||
(bctl->data.target & ~allowed))) {
- printk(KERN_ERR "btrfs: unable to start balance with target "
- "data profile %llu\n",
+ btrfs_err(fs_info, "unable to start balance with target "
+ "data profile %llu",
bctl->data.target);
ret = -EINVAL;
goto out;
if ((bctl->meta.flags & BTRFS_BALANCE_ARGS_CONVERT) &&
(!alloc_profile_is_valid(bctl->meta.target, 1) ||
(bctl->meta.target & ~allowed))) {
- printk(KERN_ERR "btrfs: unable to start balance with target "
- "metadata profile %llu\n",
+ btrfs_err(fs_info,
+ "unable to start balance with target metadata profile %llu",
bctl->meta.target);
ret = -EINVAL;
goto out;
if ((bctl->sys.flags & BTRFS_BALANCE_ARGS_CONVERT) &&
(!alloc_profile_is_valid(bctl->sys.target, 1) ||
(bctl->sys.target & ~allowed))) {
- printk(KERN_ERR "btrfs: unable to start balance with target "
- "system profile %llu\n",
+ btrfs_err(fs_info,
+ "unable to start balance with target system profile %llu",
bctl->sys.target);
ret = -EINVAL;
goto out;
/* allow dup'ed data chunks only in mixed mode */
if (!mixed && (bctl->data.flags & BTRFS_BALANCE_ARGS_CONVERT) &&
(bctl->data.target & BTRFS_BLOCK_GROUP_DUP)) {
- printk(KERN_ERR "btrfs: dup for data is not allowed\n");
+ btrfs_err(fs_info, "dup for data is not allowed");
ret = -EINVAL;
goto out;
}
(fs_info->avail_metadata_alloc_bits & allowed) &&
!(bctl->meta.target & allowed))) {
if (bctl->flags & BTRFS_BALANCE_FORCE) {
- printk(KERN_INFO "btrfs: force reducing metadata "
- "integrity\n");
+ btrfs_info(fs_info, "force reducing metadata integrity");
} else {
- printk(KERN_ERR "btrfs: balance will reduce metadata "
- "integrity, use force if you want this\n");
+ btrfs_err(fs_info, "balance will reduce metadata "
+ "integrity, use force if you want this");
ret = -EINVAL;
goto out;
}
mutex_lock(&fs_info->balance_mutex);
if (fs_info->balance_ctl) {
- printk(KERN_INFO "btrfs: continuing balance\n");
+ btrfs_info(fs_info, "continuing balance");
ret = btrfs_balance(fs_info->balance_ctl, NULL);
}
spin_unlock(&fs_info->balance_lock);
if (btrfs_test_opt(fs_info->tree_root, SKIP_BALANCE)) {
- printk(KERN_INFO "btrfs: force skipping balance\n");
+ btrfs_info(fs_info, "force skipping balance");
return 0;
}
BTRFS_UUID_KEY_SUBVOL,
key.objectid);
if (ret < 0) {
- pr_warn("btrfs: uuid_tree_add failed %d\n",
+ btrfs_warn(fs_info, "uuid_tree_add failed %d",
ret);
break;
}
BTRFS_UUID_KEY_RECEIVED_SUBVOL,
key.objectid);
if (ret < 0) {
- pr_warn("btrfs: uuid_tree_add failed %d\n",
+ btrfs_warn(fs_info, "uuid_tree_add failed %d",
ret);
break;
}
if (trans && !IS_ERR(trans))
btrfs_end_transaction(trans, fs_info->uuid_root);
if (ret)
- pr_warn("btrfs: btrfs_uuid_scan_kthread failed %d\n", ret);
+ btrfs_warn(fs_info, "btrfs_uuid_scan_kthread failed %d", ret);
else
fs_info->update_uuid_tree_gen = 1;
up(&fs_info->uuid_tree_rescan_sem);
*/
ret = btrfs_uuid_tree_iterate(fs_info, btrfs_check_uuid_tree_entry);
if (ret < 0) {
- pr_warn("btrfs: iterating uuid_tree failed %d\n", ret);
+ btrfs_warn(fs_info, "iterating uuid_tree failed %d", ret);
up(&fs_info->uuid_tree_rescan_sem);
return ret;
}
task = kthread_run(btrfs_uuid_scan_kthread, fs_info, "btrfs-uuid");
if (IS_ERR(task)) {
/* fs_info->update_uuid_tree_gen remains 0 in all error case */
- pr_warn("btrfs: failed to start uuid_scan task\n");
+ btrfs_warn(fs_info, "failed to start uuid_scan task");
up(&fs_info->uuid_tree_rescan_sem);
return PTR_ERR(task);
}
task = kthread_run(btrfs_uuid_rescan_kthread, fs_info, "btrfs-uuid");
if (IS_ERR(task)) {
/* fs_info->update_uuid_tree_gen remains 0 in all error case */
- pr_warn("btrfs: failed to start uuid_rescan task\n");
+ btrfs_warn(fs_info, "failed to start uuid_rescan task");
up(&fs_info->uuid_tree_rescan_sem);
return PTR_ERR(task);
}
max_stripe_size = 32 * 1024 * 1024;
max_chunk_size = 2 * max_stripe_size;
} else {
- printk(KERN_ERR "btrfs: invalid chunk type 0x%llx requested\n",
+ btrfs_err(info, "invalid chunk type 0x%llx requested\n",
type);
BUG_ON(1);
}
if (!device->writeable) {
WARN(1, KERN_ERR
- "btrfs: read-only device in alloc_list\n");
+ "BTRFS: read-only device in alloc_list\n");
continue;
}
read_unlock(&em_tree->lock);
if (!em) {
- printk(KERN_ERR "btrfs: couldn't find em for chunk %Lu\n",
+ printk(KERN_ERR "BTRFS: couldn't find em for chunk %Lu\n",
chunk_start);
return -EIO;
}
if (em->start != chunk_start) {
- printk(KERN_ERR "btrfs: bad chunk start, em=%Lu, wanted=%Lu\n",
+ printk(KERN_ERR "BTRFS: bad chunk start, em=%Lu, wanted=%Lu\n",
em->start, chunk_start);
free_extent_map(em);
return -EIO;
static void btrfs_end_bio(struct bio *bio, int err)
{
struct btrfs_bio *bbio = bio->bi_private;
+ struct btrfs_device *dev = bbio->stripes[0].dev;
int is_orig_bio = 0;
if (err) {
if (err == -EIO || err == -EREMOTEIO) {
unsigned int stripe_index =
btrfs_io_bio(bio)->stripe_index;
- struct btrfs_device *dev;
BUG_ON(stripe_index >= bbio->num_stripes);
dev = bbio->stripes[stripe_index].dev;
if (bio == bbio->orig_bio)
is_orig_bio = 1;
+ btrfs_bio_counter_dec(bbio->fs_info);
+
if (atomic_dec_and_test(&bbio->stripes_pending)) {
if (!is_orig_bio) {
bio_put(bio);
}
}
-struct async_sched {
- struct bio *bio;
- int rw;
- struct btrfs_fs_info *info;
- struct btrfs_work work;
-};
-
/*
* see run_scheduled_bios for a description of why bios are collected for
* async submit.
spin_unlock(&device->io_lock);
if (should_queue)
- btrfs_queue_worker(&root->fs_info->submit_workers,
- &device->work);
+ btrfs_queue_work(root->fs_info->submit_workers,
+ &device->work);
}
static int bio_size_ok(struct block_device *bdev, struct bio *bio,
}
#endif
bio->bi_bdev = dev->bdev;
+
+ btrfs_bio_counter_inc_noblocked(root->fs_info);
+
if (async)
btrfs_schedule_bio(root, dev, rw, bio);
else
length = bio->bi_iter.bi_size;
map_length = length;
+ btrfs_bio_counter_inc_blocked(root->fs_info);
ret = __btrfs_map_block(root->fs_info, rw, logical, &map_length, &bbio,
mirror_num, &raid_map);
- if (ret) /* -ENOMEM */
+ if (ret) {
+ btrfs_bio_counter_dec(root->fs_info);
return ret;
+ }
total_devs = bbio->num_stripes;
bbio->orig_bio = first_bio;
bbio->private = first_bio->bi_private;
bbio->end_io = first_bio->bi_end_io;
+ bbio->fs_info = root->fs_info;
atomic_set(&bbio->stripes_pending, bbio->num_stripes);
if (raid_map) {
/* In this case, map_length has been set to the length of
a single stripe; not the whole write */
if (rw & WRITE) {
- return raid56_parity_write(root, bio, bbio,
- raid_map, map_length);
+ ret = raid56_parity_write(root, bio, bbio,
+ raid_map, map_length);
} else {
- return raid56_parity_recover(root, bio, bbio,
- raid_map, map_length,
- mirror_num);
+ ret = raid56_parity_recover(root, bio, bbio,
+ raid_map, map_length,
+ mirror_num);
}
+ /*
+ * FIXME, replace dosen't support raid56 yet, please fix
+ * it in the future.
+ */
+ btrfs_bio_counter_dec(root->fs_info);
+ return ret;
}
if (map_length < length) {
async_submit);
dev_nr++;
}
+ btrfs_bio_counter_dec(root->fs_info);
return 0;
}
else
generate_random_uuid(dev->uuid);
- dev->work.func = pending_bios_fn;
+ btrfs_init_work(&dev->work, pending_bios_fn, NULL, NULL);
return dev;
}
BUG_ON(!path);
ret = btrfs_search_slot(trans, dev_root, &key, path, -1, 1);
if (ret < 0) {
- printk_in_rcu(KERN_WARNING "btrfs: error %d while searching for dev_stats item for device %s!\n",
+ printk_in_rcu(KERN_WARNING "BTRFS: "
+ "error %d while searching for dev_stats item for device %s!\n",
ret, rcu_str_deref(device->name));
goto out;
}
/* need to delete old one and insert a new one */
ret = btrfs_del_item(trans, dev_root, path);
if (ret != 0) {
- printk_in_rcu(KERN_WARNING "btrfs: delete too small dev_stats item for device %s failed %d!\n",
+ printk_in_rcu(KERN_WARNING "BTRFS: "
+ "delete too small dev_stats item for device %s failed %d!\n",
rcu_str_deref(device->name), ret);
goto out;
}
ret = btrfs_insert_empty_item(trans, dev_root, path,
&key, sizeof(*ptr));
if (ret < 0) {
- printk_in_rcu(KERN_WARNING "btrfs: insert dev_stats item for device %s failed %d!\n",
+ printk_in_rcu(KERN_WARNING "BTRFS: "
+ "insert dev_stats item for device %s failed %d!\n",
rcu_str_deref(device->name), ret);
goto out;
}
{
if (!dev->dev_stats_valid)
return;
- printk_ratelimited_in_rcu(KERN_ERR
- "btrfs: bdev %s errs: wr %u, rd %u, flush %u, corrupt %u, gen %u\n",
+ printk_ratelimited_in_rcu(KERN_ERR "BTRFS: "
+ "bdev %s errs: wr %u, rd %u, flush %u, corrupt %u, gen %u\n",
rcu_str_deref(dev->name),
btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_WRITE_ERRS),
btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_READ_ERRS),
btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_FLUSH_ERRS),
- btrfs_dev_stat_read(dev,
- BTRFS_DEV_STAT_CORRUPTION_ERRS),
- btrfs_dev_stat_read(dev,
- BTRFS_DEV_STAT_GENERATION_ERRS));
+ btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_CORRUPTION_ERRS),
+ btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_GENERATION_ERRS));
}
static void btrfs_dev_stat_print_on_load(struct btrfs_device *dev)
if (i == BTRFS_DEV_STAT_VALUES_MAX)
return; /* all values == 0, suppress message */
- printk_in_rcu(KERN_INFO "btrfs: bdev %s errs: wr %u, rd %u, flush %u, corrupt %u, gen %u\n",
+ printk_in_rcu(KERN_INFO "BTRFS: "
+ "bdev %s errs: wr %u, rd %u, flush %u, corrupt %u, gen %u\n",
rcu_str_deref(dev->name),
btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_WRITE_ERRS),
btrfs_dev_stat_read(dev, BTRFS_DEV_STAT_READ_ERRS),
mutex_unlock(&fs_devices->device_list_mutex);
if (!dev) {
- printk(KERN_WARNING
- "btrfs: get dev_stats failed, device not found\n");
+ btrfs_warn(root->fs_info, "get dev_stats failed, device not found");
return -ENODEV;
} else if (!dev->dev_stats_valid) {
- printk(KERN_WARNING
- "btrfs: get dev_stats failed, not yet valid\n");
+ btrfs_warn(root->fs_info, "get dev_stats failed, not yet valid");
return -ENODEV;
} else if (stats->flags & BTRFS_DEV_STATS_RESET) {
for (i = 0; i < BTRFS_DEV_STAT_VALUES_MAX; i++) {