Re: [RFC] mount can figure out fstype automatically

On Sat, Jul 08, 2006 at 09:05:51AM -0700, Sam Leffler wrote:
Linux has -t auto; haven't looked at how it works.

It's implemented in mount(8). It has a table of magic numbers and offsets
and tries all of them in a well defined order. If everything fails it
tries a few heuristics whether the filesystems might be a FAT filesystem
as thos don't have magic numbers.

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Relevant Pages

  • Re: [RFC] mount can figure out fstype automatically
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    (freebsd-current)
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  • Re: [RFC] mount can figure out fstype automatically
    ... Christoph Hellwig wrote: ... It has a table of magic numbers and offsets ... tries a few heuristics whether the filesystems might be a FAT filesystem ... So in your opinion and experience, what are the pros and cons of maintaining a table of magic numbers? ...
    (freebsd-current)