Currently, both BR2_TARGET_ROOTFS_EROFS_ALL_FRAGMENTS and
BR2_TARGET_ROOTFS_EROFS_FRAGMENTS have the same Kconfig prompt, making
them hard to distinguish.
Reword the one for -Eall-fragments to be distinct.
Signed-off-by: Florian Larysch <fl@n621.de>
Signed-off-by: Julien Olivain <ju.o@free.fr>
Add another option for FS compression that allows fine-grained control using a
list of algorithms and optional compress-hints file. This way multiple
algorithms and pcluster sizes can be used for different files, fully exposing
EROFS compression abilities.
Signed-off-by: Jan Čermák <sairon@sairon.cz>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
Add Kconfig toggles for a few more extended options that are useful for
reducing size and improving performance of EROFS images. Descriptions of the
config options were taken from the erofs-utils manpage.
Signed-off-by: Jan Čermák <sairon@sairon.cz>
[Arnout: fix Config.in help text and indentation]
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
Instead of having a bool option for enabling the LZ4HC compression, change the
Kconfig definition to a choice, which also adds more flexibility in the future
(e.g. for enabling ZSTD compression). The name of the old option was preserved
so defconfigs using it won't be affected.
Also both for LZMA and LZ4HC, it's now possible to define compression level.
Previously it defaulted to 9, which generates images larger than squashfs with
comparable settings (which uses level 12 by default). For LZ4HC the default if
unset would be still 9.
Use a separate config option for LZMA and LZ4HC compression level,
because their ranges and meaning are different.
Signed-off-by: Jan Čermák <sairon@sairon.cz>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
By default, mkfs.erofs will sue the current date to set some metadata
in the filesystem it generates, and will also use generate a random UUID
for that filesystem. This is not reproducible.
When BR2_REPRODUCIBLE is selected, set the filesystem timestamps to
$SOURCE_DATE_EPOCH, and the filesystem UUID to the nil uuid (as good
as any other arbitrary one).
Signed-off-by: Casey Reeves <casey@xogium.me>
[yann.morin.1998@free.fr:
- one multi-line assignment, not two
- slightly rephrase the commit log
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This enables EROFS big pcluster images for buildroot.
Signed-off-by: Gao Xiang <hsiangkao@aol.com>
[yann.morin.1998@free.fr: must be a multiple of 4KiB]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
This patch makes possible to create rootfs image using
EROFS filesystem.
Signed-off-by: Gao Xiang <hsiangkao@aol.com>
[yann.morin.1998@free.fr:
- simplify help text of filesystem entry
- drop the compression choice, keep the single boolean
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
