Messages in this thread | | | Subject | Re: [RFC][PATCH] VFS: create /proc/<pid>/mountinfo | From | Miklos Szeredi <> | Date | Sun, 20 Jan 2008 09:23:00 +0100 |
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> 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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