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fs: squashfs: Add config option to pass nopad parameter to mksquashfs 

Add an option to enable/disable padding to a multiple of 4k. Padding is
the default as it also was the past default behaviour.

Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This commit is contained in:
Christoph Muellner 2020-06-15 00:41:43 +02:00 committed by Yann E. MORIN
parent 5f97a1cf49
commit 7c57c1952f
2 changed files with 12 additions and 0 deletions
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8
fs/squashfs/Config.in
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@ -5,6 +5,13 @@ config BR2_TARGET_ROOTFS_SQUASHFS
if BR2_TARGET_ROOTFS_SQUASHFS
config BR2_TARGET_ROOTFS_SQUASHFS_PAD
bool "pad to a 4K boundary"
default y # legacy was always ON
help
Say 'y' here (the default) to pad the the filesystem image
to a 4K boundary. Say 'n' to disable padding.
choice
prompt "Compression algorithm"
default BR2_TARGET_ROOTFS_SQUASHFS4_GZIP
@ -31,4 +38,5 @@ config BR2_TARGET_ROOTFS_SQUASHFS4_ZSTD
bool "zstd"
endchoice
endif

4
fs/squashfs/squashfs.mk
View File

@ -8,6 +8,10 @@ ROOTFS_SQUASHFS_DEPENDENCIES = host-squashfs
ROOTFS_SQUASHFS_ARGS = -noappend -processors $(PARALLEL_JOBS)
ifeq ($(BR2_TARGET_ROOTFS_SQUASHFS_PAD),)
ROOTFS_SQUASHFS_ARGS += -nopad
endif
ifeq ($(BR2_TARGET_ROOTFS_SQUASHFS4_LZ4),y)
ROOTFS_SQUASHFS_ARGS += -comp lz4 -Xhc
else ifeq ($(BR2_TARGET_ROOTFS_SQUASHFS4_LZO),y)