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btrfs: opencode reset of all device stats

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__btrfs_reset_dev_stats() is a small helper function to reset devices stat
values, and is used only once, instead just open code it.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain 2019-08-07 16:21:20 +08:00 • committed by David Sterba
parent 4e411a7d04
commit ae4b9b4c7d
1 changed files with 2 additions and 10 deletions
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12
fs/btrfs/volumes.c
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@ -191,7 +191,6 @@ out_overflow:;
static int init_first_rw_device(struct btrfs_trans_handle *trans); static int init_first_rw_device(struct btrfs_trans_handle *trans);
static int btrfs_relocate_sys_chunks(struct btrfs_fs_info *fs_info); static int btrfs_relocate_sys_chunks(struct btrfs_fs_info *fs_info);
static void __btrfs_reset_dev_stats(struct btrfs_device *dev);
static void btrfs_dev_stat_print_on_error(struct btrfs_device *dev); static void btrfs_dev_stat_print_on_error(struct btrfs_device *dev);
static void btrfs_dev_stat_print_on_load(struct btrfs_device *device); static void btrfs_dev_stat_print_on_load(struct btrfs_device *device);
static int __btrfs_map_block(struct btrfs_fs_info *fs_info, static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
@ -7298,14 +7297,6 @@ void btrfs_init_devices_late(struct btrfs_fs_info *fs_info)
} }
} }
static void __btrfs_reset_dev_stats(struct btrfs_device *dev)
{
int i;
for (i = 0; i < BTRFS_DEV_STAT_VALUES_MAX; i++)
btrfs_dev_stat_set(dev, i, 0);
}
int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info) int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info)
{ {
struct btrfs_key key; struct btrfs_key key;
@ -7335,7 +7326,8 @@ int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info)
key.offset = device->devid; key.offset = device->devid;
ret = btrfs_search_slot(NULL, dev_root, &key, path, 0, 0); ret = btrfs_search_slot(NULL, dev_root, &key, path, 0, 0);
if (ret) { if (ret) {
__btrfs_reset_dev_stats(device); for (i = 0; i < BTRFS_DEV_STAT_VALUES_MAX; i++)
btrfs_dev_stat_set(device, i, 0);
device->dev_stats_valid = 1; device->dev_stats_valid = 1;
btrfs_release_path(path); btrfs_release_path(path);
continue; continue;