Re: Read/Write call interaction w/ UBC
Re: Read/Write call interaction w/ UBC
- Subject: Re: Read/Write call interaction w/ UBC
- From: Michael Smith <email@hidden>
- Date: Tue, 8 Jul 2008 22:46:56 -0700
On Jul 8, 2008, at 2:25 AM, Terry Lambert wrote:
On Jul 7, 2008, at 7:21 PM, shailesh jain
<email@hidden> wrote:
I am writing a file system that does not support caching. I wanted
to know, If by just passing
NO_CACHE and CANT_CACHE option, I can disable entire caching ?
As of my understanding, the options are just to disable name lookup
etc caching and it cannot
disable file content caching i.e where UBC comes into play. Can I
disable file content caching i.e UBC ? (set it to UBC_INFO_NULL ?).
Also, apple docs says that UBC for apple is different from FreeBSD.
I wanted to know in what respect ?
Read the sources. I put massive block comments in the UBC code for
just such an emergency. 8-).
Also, look at the sources for older versions of smbfs, which had
similar issues.
= Mike
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