From: Sebastian Andrzej Siewior Date: Thu, 29 Aug 2013 11:48:57 +0200 Subject: [PATCH 055/342] md: disable bcache MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=b43ef7e1e9d0f8f376c1cbecd5603eed7ffd27c3 It uses anon semaphores |drivers/md/bcache/request.c: In function ‘cached_dev_write_complete’: |drivers/md/bcache/request.c:1007:2: error: implicit declaration of function ‘up_read_non_owner’ [-Werror=implicit-function-declaration] | up_read_non_owner(&dc->writeback_lock); | ^ |drivers/md/bcache/request.c: In function ‘request_write’: |drivers/md/bcache/request.c:1033:2: error: implicit declaration of function ‘down_read_non_owner’ [-Werror=implicit-function-declaration] | down_read_non_owner(&dc->writeback_lock); | ^ either we get rid of those or we have to introduce them… Signed-off-by: Sebastian Andrzej Siewior --- drivers/md/bcache/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/md/bcache/Kconfig b/drivers/md/bcache/Kconfig index f6e0a8b3a61e..18c03d79a442 100644 --- a/drivers/md/bcache/Kconfig +++ b/drivers/md/bcache/Kconfig @@ -1,6 +1,7 @@ config BCACHE tristate "Block device as cache" + depends on !PREEMPT_RT_FULL select CRC64 help Allows a block device to be used as cache for other devices; uses