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-rw-r--r--fs/btrfs/dev-replace.c89
1 files changed, 46 insertions, 43 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index e9bbff3c0029..5de280b9ad73 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -142,7 +142,7 @@ no_valid_dev_replace_entry_found:
* missing
*/
if (!dev_replace->srcdev &&
- !btrfs_test_opt(dev_root->fs_info, DEGRADED)) {
+ !btrfs_test_opt(fs_info, DEGRADED)) {
ret = -EIO;
btrfs_warn(fs_info,
"cannot mount because device replace operation is ongoing and");
@@ -151,7 +151,7 @@ no_valid_dev_replace_entry_found:
src_devid);
}
if (!dev_replace->tgtdev &&
- !btrfs_test_opt(dev_root->fs_info, DEGRADED)) {
+ !btrfs_test_opt(fs_info, DEGRADED)) {
ret = -EIO;
btrfs_warn(fs_info,
"cannot mount because device replace operation is ongoing and");
@@ -218,8 +218,9 @@ int btrfs_run_dev_replace(struct btrfs_trans_handle *trans,
}
ret = btrfs_search_slot(trans, dev_root, &key, path, -1, 1);
if (ret < 0) {
- btrfs_warn(fs_info, "error %d while searching for dev_replace item!",
- ret);
+ btrfs_warn(fs_info,
+ "error %d while searching for dev_replace item!",
+ ret);
goto out;
}
@@ -238,8 +239,9 @@ int btrfs_run_dev_replace(struct btrfs_trans_handle *trans,
*/
ret = btrfs_del_item(trans, dev_root, path);
if (ret != 0) {
- btrfs_warn(fs_info, "delete too small dev_replace item failed %d!",
- ret);
+ btrfs_warn(fs_info,
+ "delete too small dev_replace item failed %d!",
+ ret);
goto out;
}
ret = 1;
@@ -251,8 +253,8 @@ int btrfs_run_dev_replace(struct btrfs_trans_handle *trans,
ret = btrfs_insert_empty_item(trans, dev_root, path,
&key, sizeof(*ptr));
if (ret < 0) {
- btrfs_warn(fs_info, "insert dev_replace item failed %d!",
- ret);
+ btrfs_warn(fs_info,
+ "insert dev_replace item failed %d!", ret);
goto out;
}
}
@@ -302,11 +304,11 @@ void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info)
dev_replace->cursor_left_last_write_of_item;
}
-int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name,
+int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info, char *tgtdev_name,
u64 srcdevid, char *srcdev_name, int read_src)
{
+ struct btrfs_root *root = fs_info->dev_root;
struct btrfs_trans_handle *trans;
- struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace;
int ret;
struct btrfs_device *tgt_device = NULL;
@@ -314,14 +316,14 @@ int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name,
/* the disk copy procedure reuses the scrub code */
mutex_lock(&fs_info->volume_mutex);
- ret = btrfs_find_device_by_devspec(root, srcdevid,
+ ret = btrfs_find_device_by_devspec(fs_info, srcdevid,
srcdev_name, &src_device);
if (ret) {
mutex_unlock(&fs_info->volume_mutex);
return ret;
}
- ret = btrfs_init_dev_replace_tgtdev(root, tgtdev_name,
+ ret = btrfs_init_dev_replace_tgtdev(fs_info, tgtdev_name,
src_device, &tgt_device);
mutex_unlock(&fs_info->volume_mutex);
if (ret)
@@ -333,7 +335,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name,
*/
trans = btrfs_attach_transaction(root);
if (!IS_ERR(trans)) {
- ret = btrfs_commit_transaction(trans, root);
+ ret = btrfs_commit_transaction(trans);
if (ret)
return ret;
} else if (PTR_ERR(trans) != -ENOENT) {
@@ -383,9 +385,9 @@ int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name,
ret = btrfs_sysfs_add_device_link(tgt_device->fs_devices, tgt_device);
if (ret)
- btrfs_err(fs_info, "kobj add dev failed %d\n", ret);
+ btrfs_err(fs_info, "kobj add dev failed %d", ret);
- btrfs_wait_ordered_roots(root->fs_info, -1, 0, (u64)-1);
+ btrfs_wait_ordered_roots(fs_info, -1, 0, (u64)-1);
/* force writing the updated state information to disk */
trans = btrfs_start_transaction(root, 0);
@@ -395,7 +397,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name,
goto leave;
}
- ret = btrfs_commit_transaction(trans, root);
+ ret = btrfs_commit_transaction(trans);
WARN_ON(ret);
/* the disk copy procedure reuses the scrub code */
@@ -420,7 +422,7 @@ leave:
return ret;
}
-int btrfs_dev_replace_by_ioctl(struct btrfs_root *root,
+int btrfs_dev_replace_by_ioctl(struct btrfs_fs_info *fs_info,
struct btrfs_ioctl_dev_replace_args *args)
{
int ret;
@@ -437,7 +439,7 @@ int btrfs_dev_replace_by_ioctl(struct btrfs_root *root,
args->start.tgtdev_name[0] == '\0')
return -EINVAL;
- ret = btrfs_dev_replace_start(root, args->start.tgtdev_name,
+ ret = btrfs_dev_replace_start(fs_info, args->start.tgtdev_name,
args->start.srcdevid,
args->start.srcdev_name,
args->start.cont_reading_from_srcdev_mode);
@@ -499,25 +501,25 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
* flush all outstanding I/O and inode extent mappings before the
* copy operation is declared as being finished
*/
- ret = btrfs_start_delalloc_roots(root->fs_info, 0, -1);
+ ret = btrfs_start_delalloc_roots(fs_info, 0, -1);
if (ret) {
mutex_unlock(&dev_replace->lock_finishing_cancel_unmount);
return ret;
}
- btrfs_wait_ordered_roots(root->fs_info, -1, 0, (u64)-1);
+ btrfs_wait_ordered_roots(fs_info, -1, 0, (u64)-1);
trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans)) {
mutex_unlock(&dev_replace->lock_finishing_cancel_unmount);
return PTR_ERR(trans);
}
- ret = btrfs_commit_transaction(trans, root);
+ ret = btrfs_commit_transaction(trans);
WARN_ON(ret);
mutex_lock(&uuid_mutex);
/* keep away write_all_supers() during the finishing procedure */
- mutex_lock(&root->fs_info->fs_devices->device_list_mutex);
- mutex_lock(&root->fs_info->chunk_mutex);
+ mutex_lock(&fs_info->fs_devices->device_list_mutex);
+ mutex_lock(&fs_info->chunk_mutex);
btrfs_dev_replace_lock(dev_replace, 1);
dev_replace->replace_state =
scrub_ret ? BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED
@@ -533,15 +535,15 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
src_device,
tgt_device);
} else {
- btrfs_err_in_rcu(root->fs_info,
- "btrfs_scrub_dev(%s, %llu, %s) failed %d",
- src_device->missing ? "<missing disk>" :
- rcu_str_deref(src_device->name),
- src_device->devid,
- rcu_str_deref(tgt_device->name), scrub_ret);
+ btrfs_err_in_rcu(fs_info,
+ "btrfs_scrub_dev(%s, %llu, %s) failed %d",
+ src_device->missing ? "<missing disk>" :
+ rcu_str_deref(src_device->name),
+ src_device->devid,
+ rcu_str_deref(tgt_device->name), scrub_ret);
btrfs_dev_replace_unlock(dev_replace, 1);
- mutex_unlock(&root->fs_info->chunk_mutex);
- mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);
+ mutex_unlock(&fs_info->chunk_mutex);
+ mutex_unlock(&fs_info->fs_devices->device_list_mutex);
mutex_unlock(&uuid_mutex);
if (tgt_device)
btrfs_destroy_dev_replace_tgtdev(fs_info, tgt_device);
@@ -550,12 +552,12 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
return scrub_ret;
}
- btrfs_info_in_rcu(root->fs_info,
- "dev_replace from %s (devid %llu) to %s finished",
- src_device->missing ? "<missing disk>" :
- rcu_str_deref(src_device->name),
- src_device->devid,
- rcu_str_deref(tgt_device->name));
+ btrfs_info_in_rcu(fs_info,
+ "dev_replace from %s (devid %llu) to %s finished",
+ src_device->missing ? "<missing disk>" :
+ rcu_str_deref(src_device->name),
+ src_device->devid,
+ rcu_str_deref(tgt_device->name));
tgt_device->is_tgtdev_for_dev_replace = 0;
tgt_device->devid = src_device->devid;
src_device->devid = BTRFS_DEV_REPLACE_DEVID;
@@ -590,8 +592,8 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
* superblock is scratched out so that it is no longer marked to
* belong to this filesystem.
*/
- mutex_unlock(&root->fs_info->chunk_mutex);
- mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);
+ mutex_unlock(&fs_info->chunk_mutex);
+ mutex_unlock(&fs_info->fs_devices->device_list_mutex);
mutex_unlock(&uuid_mutex);
/* replace the sysfs entry */
@@ -601,7 +603,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
/* write back the superblocks */
trans = btrfs_start_transaction(root, 0);
if (!IS_ERR(trans))
- btrfs_commit_transaction(trans, root);
+ btrfs_commit_transaction(trans);
mutex_unlock(&dev_replace->lock_finishing_cancel_unmount);
@@ -716,7 +718,7 @@ static u64 __btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info)
mutex_unlock(&dev_replace->lock_finishing_cancel_unmount);
return PTR_ERR(trans);
}
- ret = btrfs_commit_transaction(trans, root);
+ ret = btrfs_commit_transaction(trans);
WARN_ON(ret);
if (tgt_device)
btrfs_destroy_dev_replace_tgtdev(fs_info, tgt_device);
@@ -772,9 +774,10 @@ int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info)
break;
}
if (!dev_replace->tgtdev || !dev_replace->tgtdev->bdev) {
- btrfs_info(fs_info, "cannot continue dev_replace, tgtdev is missing");
btrfs_info(fs_info,
- "you may cancel the operation after 'mount -o degraded'");
+ "cannot continue dev_replace, tgtdev is missing");
+ btrfs_info(fs_info,
+ "you may cancel the operation after 'mount -o degraded'");
btrfs_dev_replace_unlock(dev_replace, 1);
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-01 04:43:48 +0000