On Mon, Feb 04, 2013 at 02:42:24PM -0700, H. Peter Anvin wrote:
> @@ -1389,6 +1392,14 @@ int btrfs_rm_device(struct btrfs_root *root, char
> *device_path)
> }
> btrfs_dev_replace_unlock(&root->fs_info->dev_replace);
>
> + if ((all_avail & (BTRFS_BLOCK_GROUP_RAID5 |
> + BTRFS_BLOCK_GROUP_RAID6) && num_devices <= 3)) {
> + printk(KERN_ERR "btrfs: unable to go below three devices "
> + "on raid5 or raid6\n");
> + ret = -EINVAL;
> + goto out;
> + }
> +
> if ((all_avail & BTRFS_BLOCK_GROUP_RAID10) && num_devices <= 4) {
> printk(KERN_ERR "btrfs: unable to go below four devices "
> "on raid10\n");
> @@ -1403,6 +1414,21 @@ int btrfs_rm_device(struct btrfs_root *root, char
> *device_path)
> goto out;
> }
>
> + if ((all_avail & BTRFS_BLOCK_GROUP_RAID5) &&
> + root->fs_info->fs_devices->rw_devices <= 2) {
> + printk(KERN_ERR "btrfs: unable to go below two "
> + "devices on raid5\n");
> + ret = -EINVAL;
> + goto out;
> + }
> + if ((all_avail & BTRFS_BLOCK_GROUP_RAID6) &&
> + root->fs_info->fs_devices->rw_devices <= 3) {
> + printk(KERN_ERR "btrfs: unable to go below three "
> + "devices on raid6\n");
> + ret = -EINVAL;
> + goto out;
> + }
> +
> if (strcmp(device_path, "missing") == 0) {
> struct list_head *devices;
> struct btrfs_device *tmp;
>
>
> This seems inconsistent?
Whoops, missed that one. Thanks!
-chris
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