vnode

Rick Macklem rmacklem at uoguelph.ca
Sun Jul 22 11:25:53 UTC 2012


Mehdi Esmaeelpour wrote:
> folks
> 
> How i use vn_rdwr() to write to a file? i am starter and don't know
> anything! but i search for this but cannot find anything.
> 
I'd say avoid reading/writing files from within the kernel if possible,
but if you must do it, you can look at the use of NFSD_RDWR in
sys/fs/nfsserver/nfs_nfsdstate.c. (NFSD_RDWR() is just a macro that becomes
a call to vn_rdwr(). Look in sys/fs/nfs/nfsport.h for the macro.

rick

> 
> Thanks
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