2011-05-01 13:37:19

by Cong Wang

[permalink] [raw]
Subject: [Patch] ocfs2: remove the /sys/o2cb symlink

It is obsoleted since Dec 2005.

Signed-off-by: WANG Cong <[email protected]>

---
Documentation/ABI/obsolete/o2cb | 11 -----------
Documentation/ABI/removed/o2cb | 10 ++++++++++
Documentation/feature-removal-schedule.txt | 10 ----------
fs/ocfs2/cluster/sys.c | 9 ---------
4 files changed, 10 insertions(+), 30 deletions(-)
---
diff --git a/Documentation/ABI/obsolete/o2cb b/Documentation/ABI/obsolete/o2cb
deleted file mode 100644
index 9c49d8e..0000000
--- a/Documentation/ABI/obsolete/o2cb
+++ /dev/null
@@ -1,11 +0,0 @@
-What: /sys/o2cb symlink
-Date: Dec 2005
-KernelVersion: 2.6.16
-Contact: [email protected]
-Description: This is a symlink: /sys/o2cb to /sys/fs/o2cb. The symlink will
- be removed when new versions of ocfs2-tools which know to look
- in /sys/fs/o2cb are sufficiently prevalent. Don't code new
- software to look here, it should try /sys/fs/o2cb instead.
- See Documentation/ABI/stable/o2cb for more information on usage.
-Users: ocfs2-tools. It's sufficient to mail proposed changes to
- [email protected].
diff --git a/Documentation/ABI/removed/o2cb b/Documentation/ABI/removed/o2cb
new file mode 100644
index 0000000..7f5daa4
--- /dev/null
+++ b/Documentation/ABI/removed/o2cb
@@ -0,0 +1,10 @@
+What: /sys/o2cb symlink
+Date: May 2011
+KernelVersion: 2.6.40
+Contact: [email protected]
+Description: This is a symlink: /sys/o2cb to /sys/fs/o2cb. The symlink is
+ removed when new versions of ocfs2-tools which know to look
+ in /sys/fs/o2cb are sufficiently prevalent. Don't code new
+ software to look here, it should try /sys/fs/o2cb instead.
+Users: ocfs2-tools. It's sufficient to mail proposed changes to
+ [email protected].
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 492e81d..5f3561e 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -273,16 +273,6 @@ Who: Michael Buesch <[email protected]>

---------------------------

-What: /sys/o2cb symlink
-When: January 2010
-Why: /sys/fs/o2cb is the proper location for this information - /sys/o2cb
- exists as a symlink for backwards compatibility for old versions of
- ocfs2-tools. 2 years should be sufficient time to phase in new versions
- which know to look in /sys/fs/o2cb.
-Who: [email protected]
-
----------------------------
-
What: Ability for non root users to shm_get hugetlb pages based on mlock
resource limits
When: 2.6.31
diff --git a/fs/ocfs2/cluster/sys.c b/fs/ocfs2/cluster/sys.c
index bc702da..a4b0773 100644
--- a/fs/ocfs2/cluster/sys.c
+++ b/fs/ocfs2/cluster/sys.c
@@ -57,7 +57,6 @@ static struct kset *o2cb_kset;
void o2cb_sys_shutdown(void)
{
mlog_sys_shutdown();
- sysfs_remove_link(NULL, "o2cb");
kset_unregister(o2cb_kset);
}

@@ -69,14 +68,6 @@ int o2cb_sys_init(void)
if (!o2cb_kset)
return -ENOMEM;

- /*
- * Create this symlink for backwards compatibility with old
- * versions of ocfs2-tools which look for things in /sys/o2cb.
- */
- ret = sysfs_create_link(NULL, &o2cb_kset->kobj, "o2cb");
- if (ret)
- goto error;
-
ret = sysfs_create_group(&o2cb_kset->kobj, &o2cb_attr_group);
if (ret)
goto error;


2011-05-13 18:07:19

by Joel Becker

[permalink] [raw]
Subject: Re: [Patch] ocfs2: remove the /sys/o2cb symlink

On Sun, May 01, 2011 at 09:34:16PM +0800, Amerigo Wang wrote:
> It is obsoleted since Dec 2005.

Actually, we moved it in 2008. Sunil, Mark, do we have new
enough tools everywhere? Looks like ocfs2-tools 1.4 has it. I'm going
to take this unless you object.

Joel

>
> Signed-off-by: WANG Cong <[email protected]>
>
> ---
> Documentation/ABI/obsolete/o2cb | 11 -----------
> Documentation/ABI/removed/o2cb | 10 ++++++++++
> Documentation/feature-removal-schedule.txt | 10 ----------
> fs/ocfs2/cluster/sys.c | 9 ---------
> 4 files changed, 10 insertions(+), 30 deletions(-)
> ---
> diff --git a/Documentation/ABI/obsolete/o2cb b/Documentation/ABI/obsolete/o2cb
> deleted file mode 100644
> index 9c49d8e..0000000
> --- a/Documentation/ABI/obsolete/o2cb
> +++ /dev/null
> @@ -1,11 +0,0 @@
> -What: /sys/o2cb symlink
> -Date: Dec 2005
> -KernelVersion: 2.6.16
> -Contact: [email protected]
> -Description: This is a symlink: /sys/o2cb to /sys/fs/o2cb. The symlink will
> - be removed when new versions of ocfs2-tools which know to look
> - in /sys/fs/o2cb are sufficiently prevalent. Don't code new
> - software to look here, it should try /sys/fs/o2cb instead.
> - See Documentation/ABI/stable/o2cb for more information on usage.
> -Users: ocfs2-tools. It's sufficient to mail proposed changes to
> - [email protected].
> diff --git a/Documentation/ABI/removed/o2cb b/Documentation/ABI/removed/o2cb
> new file mode 100644
> index 0000000..7f5daa4
> --- /dev/null
> +++ b/Documentation/ABI/removed/o2cb
> @@ -0,0 +1,10 @@
> +What: /sys/o2cb symlink
> +Date: May 2011
> +KernelVersion: 2.6.40
> +Contact: [email protected]
> +Description: This is a symlink: /sys/o2cb to /sys/fs/o2cb. The symlink is
> + removed when new versions of ocfs2-tools which know to look
> + in /sys/fs/o2cb are sufficiently prevalent. Don't code new
> + software to look here, it should try /sys/fs/o2cb instead.
> +Users: ocfs2-tools. It's sufficient to mail proposed changes to
> + [email protected].
> diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
> index 492e81d..5f3561e 100644
> --- a/Documentation/feature-removal-schedule.txt
> +++ b/Documentation/feature-removal-schedule.txt
> @@ -273,16 +273,6 @@ Who: Michael Buesch <[email protected]>
>
> ---------------------------
>
> -What: /sys/o2cb symlink
> -When: January 2010
> -Why: /sys/fs/o2cb is the proper location for this information - /sys/o2cb
> - exists as a symlink for backwards compatibility for old versions of
> - ocfs2-tools. 2 years should be sufficient time to phase in new versions
> - which know to look in /sys/fs/o2cb.
> -Who: [email protected]
> -
> ----------------------------
> -
> What: Ability for non root users to shm_get hugetlb pages based on mlock
> resource limits
> When: 2.6.31
> diff --git a/fs/ocfs2/cluster/sys.c b/fs/ocfs2/cluster/sys.c
> index bc702da..a4b0773 100644
> --- a/fs/ocfs2/cluster/sys.c
> +++ b/fs/ocfs2/cluster/sys.c
> @@ -57,7 +57,6 @@ static struct kset *o2cb_kset;
> void o2cb_sys_shutdown(void)
> {
> mlog_sys_shutdown();
> - sysfs_remove_link(NULL, "o2cb");
> kset_unregister(o2cb_kset);
> }
>
> @@ -69,14 +68,6 @@ int o2cb_sys_init(void)
> if (!o2cb_kset)
> return -ENOMEM;
>
> - /*
> - * Create this symlink for backwards compatibility with old
> - * versions of ocfs2-tools which look for things in /sys/o2cb.
> - */
> - ret = sysfs_create_link(NULL, &o2cb_kset->kobj, "o2cb");
> - if (ret)
> - goto error;
> -
> ret = sysfs_create_group(&o2cb_kset->kobj, &o2cb_attr_group);
> if (ret)
> goto error;

--

"We will have to repent in this generation not merely for the
vitriolic words and actions of the bad people, but for the
appalling silence of the good people."
- Rev. Dr. Martin Luther King, Jr.

http://www.jlbec.org/
[email protected]

2011-05-13 18:12:05

by Sunil Mushran

[permalink] [raw]
Subject: Re: [Ocfs2-devel] [Patch] ocfs2: remove the /sys/o2cb symlink

On 05/13/2011 11:06 AM, Joel Becker wrote:
> On Sun, May 01, 2011 at 09:34:16PM +0800, Amerigo Wang wrote:
>> It is obsoleted since Dec 2005.
> Actually, we moved it in 2008. Sunil, Mark, do we have new
> enough tools everywhere? Looks like ocfs2-tools 1.4 has it. I'm going
> to take this unless you object.

no objection

2011-05-13 18:17:41

by Mark Fasheh

[permalink] [raw]
Subject: Re: [Ocfs2-devel] [Patch] ocfs2: remove the /sys/o2cb symlink

On Fri, May 13, 2011 at 11:06:12AM -0700, Joel Becker wrote:
> On Sun, May 01, 2011 at 09:34:16PM +0800, Amerigo Wang wrote:
> > It is obsoleted since Dec 2005.
>
> Actually, we moved it in 2008. Sunil, Mark, do we have new
> enough tools everywhere? Looks like ocfs2-tools 1.4 has it. I'm going
> to take this unless you object.

Fine with me too, it's past time we did this.
--Mark

--
Mark Fasheh

2011-05-24 06:57:13

by Joel Becker

[permalink] [raw]
Subject: Re: [Patch] ocfs2: remove the /sys/o2cb symlink

On Sun, May 01, 2011 at 09:34:16PM +0800, Amerigo Wang wrote:
> It is obsoleted since Dec 2005.
>
> Signed-off-by: WANG Cong <[email protected]>

This patch is now in the merge-window branch of ocfs2.git.

Joel

--

Life's Little Instruction Book #182

"Be romantic."

http://www.jlbec.org/
[email protected]