idr_get_new — allocate new idr entry
int idr_get_new (
struct idr * idp, void * ptr, int * id)
;
idp
idr handle
ptr
pointer you want associated with the id
id
pointer to the allocated handle
If allocation from IDR's private freelist fails, idr_get_new_above
will
return -EAGAIN
. The caller should retry the idr_pre_get
call to refill
IDR's preallocation and then retry the idr_get_new_above
call.
If the idr is full idr_get_new_above
will return -ENOSPC
.
id
returns a value in the range 0
... 0x7fffffff