btf_alloc_id

Name:btf_alloc_id

Proto:static int btf_alloc_id(struct btf *btf)

Type:int

Parameter:

Type	Parameter	Name
struct btf *	btf

863

dr_preload - preload for idr_alloc()*@gfp_mask: allocation mask to use for preloading* Preallocate memory to use for the next call to idr_alloc(). This function* returns with preemption disabled. It will be enabled by idr_preload_end().

864

spin_lock_bh( & btf_idr_lock)

865

id = dr_alloc_cyclic() - Allocate an ID cyclically.*@idr: IDR handle.*@ptr: Pointer to be associated with the new ID.*@start: The minimum ID (inclusive).*@end: The maximum ID (exclusive).*@gfp: Memory allocation flags.

866

If id > 0 Then id = id

868

spin_unlock_bh( & btf_idr_lock)

869

dr_preload_end - end preload section started with idr_preload()* Each idr_preload() should be matched with an invocation of this* function. See idr_preload() for details.

871

If WARN_ON_ONCE(!id) Then Return -ENOSPC

874

Return If id > 0 Then 0 Else id

**Caller**
Name	Describe
btf_new_fd

Source code conversion tool public plug-in interface	X
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion