Re: [RFC][PATCH] VFS: create /proc//mountinfo

Miklos Szeredi
2008-01-20T08:23:32Z

> 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