[patch] 0001-linuxrc-Add-support-for-bcache.patch

0001-linuxrc-Add-support-for-bcache.patch (text/plain), 1.23 KB, created by Florian Schmaus on 2018-12-22 23:38:48 UTC

From da5fbcf6153ae2e1753437bec196bdbe9efcb8a6 Mon Sep 17 00:00:00 2001
From: Florian Schmaus <[e-mail]>
Date: Sun, 23 Dec 2018 00:06:19 +0100
Subject: [PATCH] linuxrc: Add support for bcache

Closes: https://bugs.gentoo.org/605094
Signed-off-by: Florian Schmaus <[e-mail]>
---
 defaults/initrd.scripts | 14 ++++++++++++++
 defaults/linuxrc        |  3 +++
 2 files changed, 17 insertions(+)

diff --git a/defaults/initrd.scripts b/defaults/initrd.scripts
index f8f9825..005c6e7 100644
--- a/defaults/initrd.scripts
+++ b/defaults/initrd.scripts
@@ -1215,6 +1215,20 @@ startVolumes() {
 			fi
 		fi
 	fi
+
+	if [ "${USE_BCACHE}" = '1' ]
+	then
+		if [ -e /sys/fs/bcache ]
+		then
+			good_msg "Registering potential bcache devices"
+			for potential_bcache_device in /dev/sd* /dev/nvm* /dev/md*
+			do
+				echo $potential_bcache_device > /sys/fs/bcache/register_quiet
+			done
+		else
+			bad_msg "No bcache support in kernel detected"
+		fi
+	fi
 }
 
 startiscsi() {
diff --git a/defaults/linuxrc b/defaults/linuxrc
index 17697fc..46aaad0 100644
--- a/defaults/linuxrc
+++ b/defaults/linuxrc
@@ -130,6 +130,9 @@ do
 		dobtrfs*)
 			USE_BTRFS=1
 		;;
+		dobcache)
+			USE_BCACHE=1
+		;;
 		quiet|quiet_genkernel)
 			QUIET=1
 		;;
-- 
2.19.2