diff options
Diffstat (limited to 'kernel/power/user.c')
| -rw-r--r-- | kernel/power/user.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/kernel/power/user.c b/kernel/power/user.c index 5bd321bcbb75..88aac26e598a 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -133,7 +133,7 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp, { int error = 0; struct snapshot_data *data; - loff_t avail; + loff_t size; sector_t offset; if (_IOC_TYPE(cmd) != SNAPSHOT_IOC_MAGIC) @@ -210,10 +210,20 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp, image_size = arg; break; + case SNAPSHOT_GET_IMAGE_SIZE: + if (!data->ready) { + error = -ENODATA; + break; + } + size = snapshot_get_image_size(); + size <<= PAGE_SHIFT; + error = put_user(size, (loff_t __user *)arg); + break; + case SNAPSHOT_AVAIL_SWAP: - avail = count_swap_pages(data->swap, 1); - avail <<= PAGE_SHIFT; - error = put_user(avail, (loff_t __user *)arg); + size = count_swap_pages(data->swap, 1); + size <<= PAGE_SHIFT; + error = put_user(size, (loff_t __user *)arg); break; case SNAPSHOT_GET_SWAP_PAGE: |