2018-08-27 14:32:32 +00:00
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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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Date: Thu, 29 Aug 2013 11:48:57 +0200
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Subject: md: disable bcache
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2019-02-27 18:51:46 +00:00
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.25-rt16.tar.xz
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2018-08-27 14:32:32 +00:00
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It uses anon semaphores
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|drivers/md/bcache/request.c: In function ‘cached_dev_write_complete’:
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|drivers/md/bcache/request.c:1007:2: error: implicit declaration of function ‘up_read_non_owner’ [-Werror=implicit-function-declaration]
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| up_read_non_owner(&dc->writeback_lock);
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| ^
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|drivers/md/bcache/request.c: In function ‘request_write’:
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|drivers/md/bcache/request.c:1033:2: error: implicit declaration of function ‘down_read_non_owner’ [-Werror=implicit-function-declaration]
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| down_read_non_owner(&dc->writeback_lock);
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| ^
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either we get rid of those or we have to introduce them…
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Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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---
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drivers/md/bcache/Kconfig | 1 +
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1 file changed, 1 insertion(+)
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--- a/drivers/md/bcache/Kconfig
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+++ b/drivers/md/bcache/Kconfig
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@@ -1,6 +1,7 @@
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config BCACHE
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tristate "Block device as cache"
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+ depends on !PREEMPT_RT_FULL
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2018-10-30 12:40:05 +00:00
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select CRC64
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help
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2018-08-27 14:32:32 +00:00
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Allows a block device to be used as cache for other devices; uses
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