diff options
| -rw-r--r-- | fs/btrfs/volumes.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index d25650600179..46f4efd58652 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -7223,8 +7223,8 @@ static void btrfs_set_dev_stats_value(struct extent_buffer *eb, sizeof(val)); } -static void btrfs_device_init_dev_stats(struct btrfs_device *device, - struct btrfs_path *path) +static int btrfs_device_init_dev_stats(struct btrfs_device *device, + struct btrfs_path *path) { struct btrfs_dev_stats_item *ptr; struct extent_buffer *eb; @@ -7241,7 +7241,7 @@ static void btrfs_device_init_dev_stats(struct btrfs_device *device, btrfs_dev_stat_set(device, i, 0); device->dev_stats_valid = 1; btrfs_release_path(path); - return; + return ret < 0 ? ret : 0; } slot = path->slots[0]; eb = path->nodes[0]; @@ -7260,6 +7260,8 @@ static void btrfs_device_init_dev_stats(struct btrfs_device *device, device->dev_stats_valid = 1; btrfs_dev_stat_print_on_load(device); btrfs_release_path(path); + + return 0; } int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info) @@ -7267,22 +7269,30 @@ int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info) struct btrfs_fs_devices *fs_devices = fs_info->fs_devices, *seed_devs; struct btrfs_device *device; struct btrfs_path *path = NULL; + int ret = 0; path = btrfs_alloc_path(); if (!path) return -ENOMEM; mutex_lock(&fs_devices->device_list_mutex); - list_for_each_entry(device, &fs_devices->devices, dev_list) - btrfs_device_init_dev_stats(device, path); + list_for_each_entry(device, &fs_devices->devices, dev_list) { + ret = btrfs_device_init_dev_stats(device, path); + if (ret) + goto out; + } list_for_each_entry(seed_devs, &fs_devices->seed_list, seed_list) { - list_for_each_entry(device, &seed_devs->devices, dev_list) - btrfs_device_init_dev_stats(device, path); + list_for_each_entry(device, &seed_devs->devices, dev_list) { + ret = btrfs_device_init_dev_stats(device, path); + if (ret) + goto out; + } } +out: mutex_unlock(&fs_devices->device_list_mutex); btrfs_free_path(path); - return 0; + return ret; } static int update_dev_stat_item(struct btrfs_trans_handle *trans, |