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Re: [Gluster-devel] swapcontest usage in syncio.c


From: Anand Avati
Subject: Re: [Gluster-devel] swapcontest usage in syncio.c
Date: Wed, 8 Aug 2012 22:34:26 -0700


On Wed, Aug 8, 2012 at 10:19 PM, Emmanuel Dreyfus <address@hidden> wrote:
Anand Avati <address@hidden> wrote:

> I wonder how this will impact multi-thread syncproc. You might want to
> #define SYNCENV_PROC_MAX to 1?

What does it do? You mean instead of my proposed change?


Not "instead", but along. syncproc is a pthread which executes synctasks (and syncops). So a synctask_set() performed in one syncproc will not be obtained via synctask_get() performed in another (original) syncproc. So instead of NULL we could get an unexpected (and maybe free'd/corrupted?) synctask pointer. If we either avoid bouncing of synctasks between syncprocs, or limit syncenv to a single syncproc, then your patch will be "complete".

Avati


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