Re: Lock of struct filedesc, file, pgrp, session and sigio

[Seigo Tanimura]

On Fri, 13 Jul 2001 19:49:25 +0900,
  Seigo Tanimura <tanimura> said:

Alfred> Certain operations, such as:
Alfred> kq = (struct kqueue *)fp->f_data;
Alfred> should not really require that the file be locked, it's implicitly frozen
Alfred> at creation time (i think)

Seigo> Yes.

Only one exception beats off everything. union_dircheck() in
fs/unionfs/union_subr.c may replace f_data with a new vnode.

-- 
Seigo Tanimura <[EMAIL PROTECTED]> <[EMAIL PROTECTED]>

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