From: Joel Becker <Joel.Becker@oracle.com>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] [PATCH 3/5] ocfs2: Remove EXIT from masklog.
Date: Wed, 10 Nov 2010 01:45:45 -0800 [thread overview]
Message-ID: <20101110094545.GD31158@mail.oracle.com> (raw)
In-Reply-To: <1289357543-2538-3-git-send-email-tao.ma@oracle.com>
On Wed, Nov 10, 2010 at 10:52:21AM +0800, Tao Ma wrote:
> mlog_exit is used to record the exit status of a function.
> But because it is added in so many functions, if we enable it,
> the system logs get filled up quickly and cause too much I/O.
> So actually no one can open it for a production system or even
> for a test.
>
> This patch just try to remove it. So in case of report error, a
> mlog_errno is used while if all the errors in the function are
> properly reported, mlog_exit is just removed.
> for mlog_exit:
> 1. if all the error paths already use mlog_errno, it is just removed.
> Otherwise, it will be replaced by mlog_errno.
> 2. if it is used to print some return value, it is replaced with
> mlog(0,...).
> mlog_exit_ptr is changed to mlog(0.
This one is great, except I would only select certain exit
return codes to log. Most of them aren't very interesting.
Joel
--
Life's Little Instruction Book #69
"Whistle"
Joel Becker
Senior Development Manager
Oracle
E-mail: joel.becker at oracle.com
Phone: (650) 506-8127
next prev parent reply other threads:[~2010-11-10 9:45 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-10 2:51 [Ocfs2-devel] [PATCH 0/5] The first try of adding trace event to ocfs2 Tao Ma
2010-11-10 2:52 ` [Ocfs2-devel] [PATCH 1/5] ocfs2: Remove unused truncate function from alloc.c Tao Ma
2010-11-10 9:41 ` Joel Becker
2010-11-10 2:52 ` [Ocfs2-devel] [PATCH 2/5] ocfs2: Remove ENTRY from masklog Tao Ma
2010-11-10 9:43 ` Joel Becker
2010-11-10 14:19 ` Tao Ma
2010-11-10 2:52 ` [Ocfs2-devel] [PATCH 3/5] ocfs2: Remove EXIT " Tao Ma
2010-11-10 9:45 ` Joel Becker [this message]
2010-11-10 14:22 ` Tao Ma
2010-11-10 2:52 ` [Ocfs2-devel] [PATCH 4/5] ocfs2: Add ocfs2_trace.h Tao Ma
2010-11-10 9:48 ` Joel Becker
2010-11-10 14:33 ` Tao Ma
2010-11-10 22:19 ` Joel Becker
2010-11-10 2:52 ` [Ocfs2-devel] [PATCH 5/5] ocfs2: Remove mlog(0) from fs/ocfs2/alloc.c Tao Ma
2010-11-10 9:50 ` Joel Becker
2010-11-10 14:39 ` Tao Ma
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