if (!bd_may_claim(bdev, whole, holder))
return -EBUSY;
- /* if someone else is claiming, wait for it to finish */
- if (whole->bd_claiming && whole->bd_claiming != holder) {
+ /* if claiming is already in progress, wait for it to finish */
+ if (whole->bd_claiming) {
wait_queue_head_t *wq = bit_waitqueue(&whole->bd_claiming, 0);
DEFINE_WAIT(wait);
/*
* hooks: /n/, see "layering violations".
*/
- ret = devcgroup_inode_permission(bdev->bd_inode, perm);
- if (ret != 0) {
- bdput(bdev);
- return ret;
+ if (!for_part) {
+ ret = devcgroup_inode_permission(bdev->bd_inode, perm);
+ if (ret != 0) {
+ bdput(bdev);
+ return ret;
+ }
}
lock_kernel();