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fs/ext2: Add BR2_TARGET_ROOTFS_EXT2_MKFS_OPTIONS option

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This option lets the user specify mke2fs options and/or ext2/3/4
features.

Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Cc: "Yann E. MORIN" <yann.morin.1998@free.fr>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
[Thomas: improve wording a bit, fix typos.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Sébastien Szymanski 2017-07-09 07:00:39 +02:00 committed by Thomas Petazzoni
parent bee9e881a2
commit b404b27d41
2 changed files with 23 additions and 1 deletions
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19
fs/ext2/Config.in
View File

@ -68,6 +68,25 @@ config BR2_TARGET_ROOTFS_EXT2_RESBLKS
Traditionally, this has been 5%, and all ext-related tools still
default to reserving 5% when creating a new ext filesystem.
config BR2_TARGET_ROOTFS_EXT2_MKFS_OPTIONS
string "additional mke2fs options"
default "-O ^64bit"
help
Specify a space-separated list of mke2fs options, including any
ext2/3/4 filesystem features.
For more information about the mke2fs options, see the manual
page mke2fs(8).
For more information about the ext2/3/4 features which can be
set, see the manual page ext4(5).
The default is "-O ^64bit", i.e. disable 64-bit filesystem
support. This default value has been chosen because U-Boot
versions before 2017.02 don't support this filesystem
option: using it may make the filesystem unreadable by
U-Boot.
choice
prompt "Compression method"
default BR2_TARGET_ROOTFS_EXT2_NONE

5
fs/ext2/ext2.mk
View File

@ -9,6 +9,8 @@ ifeq ($(BR2_TARGET_ROOTFS_EXT2)-$(EXT2_SIZE),y-)
$(error BR2_TARGET_ROOTFS_EXT2_SIZE cannot be empty)
endif
EXT2_MKFS_OPTS = $(call qstrip,$(BR2_TARGET_ROOTFS_EXT2_MKFS_OPTIONS))
# qstrip results in stripping consecutive spaces into a single one. So the
# variable is not qstrip-ed to preserve the integrity of the string value.
EXT2_LABEL := $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_LABEL))
@ -19,7 +21,8 @@ EXT2_OPTS = \
-r $(BR2_TARGET_ROOTFS_EXT2_REV) \
-N $(BR2_TARGET_ROOTFS_EXT2_INODES) \
-m $(BR2_TARGET_ROOTFS_EXT2_RESBLKS) \
-L "$(EXT2_LABEL)"
-L "$(EXT2_LABEL)" \
$(EXT2_MKFS_OPTS)
ROOTFS_EXT2_DEPENDENCIES = host-e2fsprogs