#include <linux/raid/pq.h>
#include <linux/semaphore.h>
#include <asm/div64.h>
-#include "compat.h"
#include "ctree.h"
#include "extent_map.h"
#include "disk-io.h"
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;
}
if (device->bdev)
fs_devices->open_devices--;
- if (device->writeable && !device->is_tgtdev_for_dev_replace) {
+ if (device->writeable &&
+ device->devid != BTRFS_DEV_REPLACE_DEVID) {
list_del_init(&device->dev_alloc_list);
fs_devices->rw_devices--;
}
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;
}
device->in_fs_metadata = 1;
device->is_tgtdev_for_dev_replace = 0;
device->mode = FMODE_EXCL;
+ device->dev_stats_valid = 1;
set_blocksize(device->bdev, 4096);
if (seeding_dev) {
device->in_fs_metadata = 1;
device->is_tgtdev_for_dev_replace = 1;
device->mode = FMODE_EXCL;
+ device->dev_stats_valid = 1;
set_blocksize(device->bdev, 4096);
device->fs_devices = fs_info->fs_devices;
list_add(&device->dev_list, &fs_info->fs_devices->devices);
failed = 0;
retried = true;
goto again;
- } else if (failed && retried) {
- WARN_ON(1);
+ } else if (WARN_ON(failed && retried)) {
ret = -ENOSPC;
}
error:
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;
}
int btrfs_cancel_balance(struct btrfs_fs_info *fs_info)
{
+ if (fs_info->sb->s_flags & MS_RDONLY)
+ return -EROFS;
+
mutex_lock(&fs_info->balance_mutex);
if (!fs_info->balance_ctl) {
mutex_unlock(&fs_info->balance_mutex);
path->keep_locks = 1;
while (1) {
- ret = btrfs_search_forward(root, &key, &max_key, path, 0);
+ ret = btrfs_search_forward(root, &key, path, 0);
if (ret) {
if (ret > 0)
ret = 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;
}
btrfs_crit(fs_info, "Invalid mapping for %Lu-%Lu, got "
"%Lu-%Lu\n", logical, logical+len, em->start,
em->start + em->len);
+ free_extent_map(em);
return 1;
}
btrfs_crit(fs_info, "found a bad mapping, wanted %Lu, "
"found %Lu-%Lu\n", logical, em->start,
em->start + em->len);
+ free_extent_map(em);
return -EINVAL;
}
num_stripes = map->num_stripes;
max_errors = nr_parity_stripes(map);
- raid_map = kmalloc(sizeof(u64) * num_stripes,
+ raid_map = kmalloc_array(num_stripes, sizeof(u64),
GFP_NOFS);
if (!raid_map) {
ret = -ENOMEM;
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;
{
struct bio_vec *prev;
struct request_queue *q = bdev_get_queue(bdev);
- unsigned short max_sectors = queue_max_sectors(q);
+ unsigned int max_sectors = queue_max_sectors(q);
struct bvec_merge_data bvm = {
.bi_bdev = bdev,
.bi_sector = sector,
.bi_rw = bio->bi_rw,
};
- if (bio->bi_vcnt == 0) {
- WARN_ON(1);
+ if (WARN_ON(bio->bi_vcnt == 0))
return 1;
- }
prev = &bio->bi_io_vec[bio->bi_vcnt - 1];
if (bio_sectors(bio) > max_sectors)
struct btrfs_device *dev;
u64 tmp;
- if (!devid && !fs_info) {
- WARN_ON(1);
+ if (WARN_ON(!devid && !fs_info))
return ERR_PTR(-EINVAL);
- }
dev = __alloc_device();
if (IS_ERR(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++) {
projects / cascardo / linux.git / blobdiff