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btrfs: open code btrfs_dev_replace_cancel()

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btrfs_dev_replace_cancel() calls __btrfs_dev_replace_cancel() for the
actual cancel so 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 2018-02-12 23:33:29 +08:00 committed by David Sterba
parent af89e0dc2c
commit 97282031a6
3 changed files with 4 additions and 12 deletions
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10
fs/btrfs/dev-replace.c
View File

@ -44,7 +44,6 @@ static void btrfs_dev_replace_update_device_in_mapping_tree(
struct btrfs_fs_info *fs_info,
struct btrfs_device *srcdev,
struct btrfs_device *tgtdev);
static u64 __btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
static int btrfs_dev_replace_kthread(void *data);
static int btrfs_dev_replace_continue_on_mount(struct btrfs_fs_info *fs_info);
@ -694,14 +693,7 @@ void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
btrfs_dev_replace_unlock(dev_replace, 0);
}
int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info,
struct btrfs_ioctl_dev_replace_args *args)
{
args->result = __btrfs_dev_replace_cancel(fs_info);
return 0;
}
static u64 __btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info)
u64 __btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info)
{
struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace;
struct btrfs_device *tgt_device = NULL;

3
fs/btrfs/dev-replace.h
View File

@ -32,8 +32,7 @@ int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
int read_src);
void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
struct btrfs_ioctl_dev_replace_args *args);
int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info,
struct btrfs_ioctl_dev_replace_args *args);
u64 __btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);

3
fs/btrfs/ioctl.c
View File

@ -4429,7 +4429,8 @@ static long btrfs_ioctl_dev_replace(struct btrfs_fs_info *fs_info,
ret = 0;
break;
case BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL:
ret = btrfs_dev_replace_cancel(fs_info, p);
p->result = __btrfs_dev_replace_cancel(fs_info);
ret = 0;
break;
default:
ret = -EINVAL;