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Re: patch to support >16 bit g/uids on ext2fs wrote:

> i recently had need to recover some data from an ext3 that used
> uids greater than 16 bits, and discovered they were incorrectly
> represented as only 16 bits.
> after a bit of searching, i noticed that linux has a per-mount
> option to disable 32 bit but otherwise has it there by default.
> since we don't have a similar mount option, i've made it non
> optional in our kernel (simple ways to add it welcome.)

I wonder if the features bits in struct ext2fs have
some bits for the uid/gid extension or not, as LARGEFILE etc.
Izumi Tsutsui

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