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fs/squashfs: honour the number of parallel jobs

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By default, mksquashfs uses all the CPUs available, like us with
BR2_JLEVEL=0.

However, by setting BR21_JLEVEL to non-zero, a user volutarily limits
the number of jobbs allowed to run concurrently (for various reasons,
like this is not a priority task on the machine; or like the
autobuilders, to spread the load accross multiple runs without
overloading the machine).

So, propagate tthe parallelisn settings down to mksquashfs, to repect
the user's will.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Clayton Shotwell <clayton.shotwell@rockwellcollins.com>
Tested-by: Clayton Shotwell <clayton.shotwell@rockwellcollins.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
This commit is contained in:
Yann E. MORIN 2017-08-06 17:41:02 +02:00 committed by Arnout Vandecappelle (Essensium/Mind)
parent 6e661afd27
commit 62e626b2ab
1 changed files with 3 additions and 2 deletions
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5
fs/squashfs/squashfs.mk
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@ -6,6 +6,8 @@
ROOTFS_SQUASHFS_DEPENDENCIES = host-squashfs
ROOTFS_SQUASHFS_ARGS = -noappend -processors $(PARALLEL_JOBS)
ifeq ($(BR2_TARGET_ROOTFS_SQUASHFS4_LZ4),y)
ROOTFS_SQUASHFS_ARGS += -comp lz4 -Xhc
else ifeq ($(BR2_TARGET_ROOTFS_SQUASHFS4_LZO),y)
@ -19,8 +21,7 @@ ROOTFS_SQUASHFS_ARGS += -comp gzip
endif
define ROOTFS_SQUASHFS_CMD
$(HOST_DIR)/bin/mksquashfs $(TARGET_DIR) $@ -noappend \
$(ROOTFS_SQUASHFS_ARGS)
$(HOST_DIR)/bin/mksquashfs $(TARGET_DIR) $@ $(ROOTFS_SQUASHFS_ARGS)
endef
$(eval $(call ROOTFS_TARGET,squashfs))