Re: [RFC][PATCH] VFS: create /proc/<pid>/mountinfo

[Miklos Szeredi]

> Miklos Szeredi wrote:
> > - for mount ID's use IDA (from the IDR library) instead of a 32bit
> >   counter, which could overflow
> 
> IDAs tend to get reused quickly, which can cause race conditions.  Any 
> reason not to just use a 64-bit counter?

They tend to become hard to parse/compare for humans after a while.
And all this is basically only for humans, so race conditions don't
really matter.  Also a changed mount with a reused ID is easily
identified by comparing the other fields.

Miklos
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