Squashfs Support

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SquashFS - Wikipedia

    https://en.wikipedia.org/wiki/Squash_FS
    Squashfs is a compressed read-only file system for Linux.Squashfs compresses files, inodes and directories, and supports block sizes from 4 KiB up to 1 MiB for greater compression. Several compression algorithms are supported. Squashfs is also the name of free software, licensed under the GPL, for accessing Squashfs filesystems.. Squashfs is intended for general read-only file-system use …Max. file size: 16 EiB (2⁶⁴) bytes

Squashfs support for MTD subsystem - eLinux.org

    https://elinux.org/Squashfs_support_for_MTD_subsystem
    Squashfs is already widely used on MTD devices (NAND flash etc.) in embedded systems, however, because Squashfs lacks native MTD support, this is currently performed via MTD's block device emulation (or via UBI or stored inside another MTD aware filesystem, i.e. YAFFS2/JFFS2).

Official Squashfs LZMA

    https://squashfs-lzma.org/
    Squashfs' author couldn't support LZMA directly in squashfs source code. He wanted to have the squashfs code included in official Linux Kernel, but Linux Kernel didn't support LZMA/XZ at that time, so adding LZMA to squashfs would decrease the chance for its (squashfs's) inclusion. This was the main reason we had to maintain LZMA support as a ...

snapd needs squashfs support in kernel · Issue #4123 ...

    https://github.com/microsoft/WSL/issues/4123
    Jun 13, 2019 · While WSL2 doesn't have the issues with snapd described in #2374, we now have another blocker. snap install now fails after downloading the snap, as it is unable to mount it, since the WSL 2 kernel doesn't contain squashfs support. (Per /proc/filesystems and the obvious test:

SquashFS HOWTO - Linux Documentation Project

    https://tldp.org/HOWTO/html_single/SquashFS-HOWTO/
    SquashFS is distributed as a Linux kernel source patch (which enables SquashFS read support in your kernel), the mksquashfs tool, which creates squashed file systems (in a file or on a block device) and the unsquashfs tool, which extracts multiple files from an existing squashed file system. The latest SquashFS release tree is 3.x, the former ...

What is SquashFS - Linux Documentation Project

    https://www.tldp.org/HOWTO/SquashFS-HOWTO/whatis.html
    SquashFS is distributed as a Linux kernel source patch (which enables SquashFS read support in your kernel), the mksquashfs tool, which creates squashed file systems (in a file or on a block device) and the unsquashfs tool, which extracts multiple files from an existing squashed file system. The latest SquashFS release tree is 3.x, the former ...

Squash FS Howto - eLinux.org

    https://elinux.org/Squash_FS_Howto
    SquashFS is distributed as a Linux kernel source patch (which enables SquashFS read support in your kernel), and the mksquashfs tool, which creates squashed file systems (in a file or on a block device). The latest SquashFS release tree is 2.x, the former one was 1.x.

squashfs: Add zstd support · torvalds/linux@87bf54b · GitHub

    https://github.com/torvalds/linux/commit/87bf54bb43ddd385d2538b777324bf737f243042
    Add zstd compression and decompression support to SquashFS. zstd is a great fit for SquashFS because it can compress at ratios approaching xz, while decompressing twice as fast as zlib. For SquashFS in particular, it can decompress as fast as lzo and lz4. It also has the flexibility to turn down the compression ratio for faster compression times.

mount - Mounting a squashfs filesystem in read-write ...

    https://unix.stackexchange.com/questions/80305/mounting-a-squashfs-filesystem-in-read-write
    If your system supports some uion-filesystem, such as aufs or overlayfs, you don't have to extract your original squashfs file.. For example the overlayfs is used( a kernel option to enable it): You can mount your squashfs.file to /fm or somewhere else first. Prepare a writable filesystem with 2 directories in it, say /to and /temp. prepare another writable directory /fin for the merged results.



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