52 lines
2.1 KiB
Diff
52 lines
2.1 KiB
Diff
This patch does two things:
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1) Drops probe-bcache, so now new util-linux detecting functionality is used.
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2) Drops bcache-register, using kmod (built in udev) and moving registering device
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into rule using 'sh'.
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This reduces things that need to be present in initrd, replacing them with already
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existing functionality and reducing overall initrd size.
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diff --git a/69-bcache.rules b/69-bcache.rules
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index 5d28e70..6a52893 100644
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--- a/69-bcache.rules
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+++ b/69-bcache.rules
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@@ -10,15 +10,11 @@ KERNEL=="fd*|sr*", GOTO="bcache_end"
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# It recognised bcache (util-linux 2.24+)
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ENV{ID_FS_TYPE}=="bcache", GOTO="bcache_backing_found"
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# It recognised something else; bail
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-ENV{ID_FS_TYPE}=="?*", GOTO="bcache_backing_end"
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-
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-# Backing devices: scan, symlink, register
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-IMPORT{program}="probe-bcache -o udev $tempnode"
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-ENV{ID_FS_TYPE}!="bcache", GOTO="bcache_backing_end"
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-ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
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+GOTO="bcache_backing_end"
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LABEL="bcache_backing_found"
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-RUN+="bcache-register $tempnode"
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+RUN{builtin}+="kmod load bcache"
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+RUN+="/bin/sh -c 'echo $tempnode > /sys/fs/bcache/register_quiet'"
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LABEL="bcache_backing_end"
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# Cached devices: symlink
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diff --git a/Makefile b/Makefile
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index 3f8d87b..15638a7 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -9,7 +9,7 @@ all: make-bcache probe-bcache bcache-super-show
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install: make-bcache probe-bcache bcache-super-show
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$(INSTALL) -m0755 make-bcache bcache-super-show $(DESTDIR)${PREFIX}/sbin/
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- $(INSTALL) -m0755 probe-bcache bcache-register $(DESTDIR)$(UDEVLIBDIR)/
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+# $(INSTALL) -m0755 probe-bcache bcache-register $(DESTDIR)$(UDEVLIBDIR)/
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$(INSTALL) -m0644 69-bcache.rules $(DESTDIR)$(UDEVLIBDIR)/rules.d/
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$(INSTALL) -m0644 -- *.8 $(DESTDIR)${PREFIX}/share/man/man8/
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$(INSTALL) -D -m0755 initramfs/hook $(DESTDIR)/usr/share/initramfs-tools/hooks/bcache
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diff --git a/bcache-register b/bcache-register
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index 9b592bc..75b4faf 100755
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--- a/bcache-register
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+++ b/bcache-register
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@@ -1,4 +1,3 @@
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#!/bin/sh
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-/sbin/modprobe -qba bcache
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test -f /sys/fs/bcache/register_quiet && echo "$1" > /sys/fs/bcache/register_quiet
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