Commit 05f7a7d6 authored by Andreas Gruenbacher's avatar Andreas Gruenbacher Committed by Philipp Reisner
Browse files

idr: Add new function idr_is_empty() 



Signed-off-by: default avatarAndreas Gruenbacher <agruen@linbit.com>
Signed-off-by: default avatarPhilipp Reisner <philipp.reisner@linbit.com>
parent 8e229434

include/linux/idr.h

+1 −0
Original line number Diff line number Diff line
@@ -85,6 +85,7 @@ void idr_remove(struct idr *idp, int id); 
void idr_free(struct idr *idp, int id);

void idr_destroy(struct idr *idp);

void idr_init(struct idr *idp);

bool idr_is_empty(struct idr *idp);



/**

 * idr_preload_end - end preload section started with idr_preload()

lib/idr.c

+10 −0
Original line number Diff line number Diff line
@@ -869,6 +869,16 @@ void idr_init(struct idr *idp) 
}

EXPORT_SYMBOL(idr_init);



static int idr_has_entry(int id, void *p, void *data)

{

	return 1;

}



bool idr_is_empty(struct idr *idp)

{

	return !idr_for_each(idp, idr_has_entry, NULL);

}

EXPORT_SYMBOL(idr_is_empty);



/**

 * DOC: IDA description