Re: hundreds of mount --bind mountpoints?

From: Christoph Rohland (cr@sap.com)
Date: Mon Apr 23 2001 - 09:54:02 EST


Hi Ingo,

On Mon, 23 Apr 2001, Ingo Oeser wrote:
> On Mon, Apr 23, 2001 at 01:43:27PM +0200, Christoph Rohland wrote:
>> On Sun, 22 Apr 2001, David L. Parsley wrote:
>> > attach packages inside it. Since symlinks in a tmpfs filesystem
>> > cost 4k each (ouch!), I'm considering using mount --bind for
>> > everything.
>>
>> What about fixing tmpfs instead?
>
> The question is: How? If you do it like ramfs, you cannot swap
> these symlinks and this is effectively a mlock(symlink) operation
> allowed for normal users. -> BAD!

How about storing it into the inode structure if it fits into the
fs-private union? If it is too big we allocate the page as we do it
now. The union has 192 bytes. This should be sufficient for most
cases.

Greetings
                Christoph

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