Commit 9551bfba authored by Bryan Thompson's avatar Bryan Thompson Committed by Greg Kroah-Hartman
Browse files

staging: unisys: visorchannel: Describe spinlocks in VISORCHANNEL_Tag struct 



Add comments indicating the requirements and use of the insert_lock and
remove_lock in the VISORCHANNEL_Tag structure.

Signed-off-by: default avatarBryan Thompson <bryan.thompson@unisys.com>
Signed-off-by: default avatarBenjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4c67da30

drivers/staging/unisys/visorchannel/visorchannel_funcs.c

+4 −3
Original line number Diff line number Diff line
@@ -33,9 +33,10 @@ struct VISORCHANNEL_Tag { 
	struct channel_header chan_hdr;

	uuid_le guid;

	ulong size;

	BOOL needs_lock;

	spinlock_t insert_lock;

	spinlock_t remove_lock;

	BOOL needs_lock;	/* channel creator knows if more than one

				 * thread will be inserting or removing */

	spinlock_t insert_lock; /* protect head writes in chan_hdr */

	spinlock_t remove_lock;	/* protect tail writes in chan_hdr */



	struct {

		struct signal_queue_header req_queue;