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| H A D | kfifo.h | diff d994ffc247f7c4a48b848f10c4c01c9b06411ada Sat Jan 16 02:01:17 CET 2010 Andi Kleen <andi@firstfloor.org> kfifo: add kfifo_initialized
Simple inline that checks if kfifo_init() has been executed on a fifo.
This is useful for walking all per CPU fifos, when some of them might not
have been brought up yet.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Stefani Seibold <stefani@seibold.net>
Cc: Roland Dreier <rdreier@cisco.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Andy Walls <awalls@radix.net>
Cc: Vikram Dhillon <dhillonv10@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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