Re: squid-1.2-SQUIDFS

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Henrik Nordstrom wrote:
>Eric Stern wrote:
>> To be honest, the MAIN reason I like squidfs is the reduction in
>> filedescriptor usage. Anything else is just a bonus.

>If you are to support async-I/O you still have to use multiple file
>descriptors as you can't securely have more than one outstanding I/O
>operation per FD (shared file-offset amongs other things). Not even
>using readv/writev guards you against this.

But, using one FD, and mmapping multiple parts of this file/device in
different places allows for async io without the use of more than
one filedescriptor per filesystem.

-- 
Sincerely,                                                          srb@cuci.nl
           Stephen R. van den Berg (AKA BuGless).
The eleventh commandment: Thou shalt not re-curse!
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