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ocfs2: Move /sys/o2cb to /sys/fs/o2cb

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/sys/fs is where we really want file system specific sysfs objects.

Ocfs2-tools has been updated to look in /sys/fs/o2cb. We can maintain
backwards compatibility with old ocfs2-tools by using a sysfs symlink. After
some time (2 years), the symlink can be safely removed. This patch also adds
documentation to make it easier for people to figure out what /sys/fs/o2cb
is used for.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Mark Fasheh
2008-01-29 17:08:26 -08:00
parent a839c5afcd
commit 52f7c21b61
4 changed files with 40 additions and 0 deletions
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9
fs/ocfs2/cluster/sys.c
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@@ -57,6 +57,7 @@ static struct kset *o2cb_kset;
void o2cb_sys_shutdown(void)
{
mlog_sys_shutdown();
sysfs_remove_link(NULL, "o2cb");
kset_unregister(o2cb_kset);
}
@@ -68,6 +69,14 @@ 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;