Hello,
I read Documentation/initrd.txt but still can't understand why to use initrd. Why can't we mount filesystem located on a flash without any intermediate entities like 'initrd' or similar?
If possible, any appropriate references are appreciated. Thank you.
-- Best regards, Roman
What if mounting your root filesystem requires kernel-modules to be loaded which reside on the root filesystem ?
-- :wq ^X^Cy^K^X^C^C^C^C
| I read Documentation/initrd.txt but still can't understand why to use | initrd. Why can't we mount filesystem located on a flash without any | intermediate entities like 'initrd' or similar?
If you build a kernel with the necessary driver(s) to access the flash and the necessary filesystem(s) to understand what is on that flash, then sure, you can do exactly that. One of the things initrd can do is let you have modules loaded separate. This is valuable for distributions for a wide range of system types which would otherwise require many drivers be built into the kernel, bloating it. But for a custom kernel for exactly one embeeded system type, you should know exactly what drivers you need, at least for the integrated parts (plug in components would be a different issue). The on-board flash would be one of those and I do recommend that it's drivers and filesystems be integrated into a kernel build.
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