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image: add support for EROFS rootfs image generation

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Add support for generating EROFS rootfs images.

The EROFS filesystem can offer competitive I/O performance while
minimizing final image size when using the MicroLZMA compressor.

Target platform: linux-x86_generic (target-i386_pentium4_musl)

Filesystem     Image Size
=============  ==========
root.erofs     4882432
root.ext4      109051904
root.squashfs  4903302

Co-Developed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://github.com/openwrt/openwrt/pull/19244
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Gao Xiang
2025-06-26 01:45:22 +08:00
committed by Christian Marangi
parent 9ece943540
commit f7fa414d3b
8 changed files with 86 additions and 0 deletions
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11
target/linux/generic/config-6.12
View File

@@ -1901,6 +1901,17 @@ CONFIG_ELFCORE=y
CONFIG_EPOLL=y
# CONFIG_EQUALIZER is not set
# CONFIG_EROFS_FS is not set
# CONFIG_EROFS_FS_DEBUG is not set
# CONFIG_EROFS_FS_XATTR is not set
# CONFIG_EROFS_FS_POSIX_ACL is not set
# CONFIG_EROFS_FS_SECURITY is not set
# CONFIG_EROFS_FS_BACKED_BY_FILE is not set
# CONFIG_EROFS_FS_ZIP is not set
# CONFIG_EROFS_FS_ZIP_DEFLATE is not set
# CONFIG_EROFS_FS_ZIP_ZSTD is not set
# CONFIG_EROFS_FS_ONDEMAND is not set
CONFIG_EROFS_FS_PCPU_KTHREAD=y
CONFIG_EROFS_FS_PCPU_KTHREAD_HIPRI=y
# CONFIG_ET131X is not set
CONFIG_ETHERNET=y
# CONFIG_ETHOC is not set

9
target/linux/generic/config-6.6
View File

@@ -1840,6 +1840,15 @@ CONFIG_ELFCORE=y
CONFIG_EPOLL=y
# CONFIG_EQUALIZER is not set
# CONFIG_EROFS_FS is not set
# CONFIG_EROFS_FS_DEBUG is not set
# CONFIG_EROFS_FS_XATTR is not set
# CONFIG_EROFS_FS_POSIX_ACL is not set
# CONFIG_EROFS_FS_SECURITY is not set
# CONFIG_EROFS_FS_ZIP is not set
# CONFIG_EROFS_FS_ZIP_DEFLATE is not set
# CONFIG_EROFS_FS_ONDEMAND is not set
CONFIG_EROFS_FS_PCPU_KTHREAD=y
CONFIG_EROFS_FS_PCPU_KTHREAD_HIPRI=y
# CONFIG_ET131X is not set
CONFIG_ETHERNET=y
# CONFIG_ETHOC is not set