[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: diskfs_catch_exception

From: Neal H. Walfield
Subject: Re: diskfs_catch_exception
Date: 09 Dec 2002 15:38:40 -0500
User-agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/21.2

> File system pagers are never mapped into the filesystem address space.  The
> filesystem pagers exist solely for user mappings, and for read/write
> operations via pager_memcpy (see libdiskfs/rdwr-internal.c).  As there is no
> mapping, there is no need to protect against signals when accessing
> them.

_diskfs_rdwr_internal creates mappings (via pager_memcpy) of file
pagers.  It also use a preemptor.

reply via email to

[Prev in Thread] Current Thread [Next in Thread]