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authorMark Fasheh <mfasheh@suse.com>2008-01-29 17:08:26 -0800
committerMark Fasheh <mfasheh@suse.com>2008-04-18 08:56:10 -0700
commit52f7c21b613f80cb425d115c9e5b4ed958a133c0 (patch)
treec153942e3fb645dd5f7435d9d08b0d27a8aed517 /fs/ocfs2/cluster/sys.c
parentsysfs: Allow removal of symlinks in the sysfs root (diff)
downloadlinux-dev-52f7c21b613f80cb425d115c9e5b4ed958a133c0.tar.xz
linux-dev-52f7c21b613f80cb425d115c9e5b4ed958a133c0.zip
ocfs2: Move /sys/o2cb to /sys/fs/o2cb
/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>
Diffstat (limited to '')
-rw-r--r--fs/ocfs2/cluster/sys.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/ocfs2/cluster/sys.c b/fs/ocfs2/cluster/sys.c
index 0c095ce7723d..98429fd68499 100644
--- a/fs/ocfs2/cluster/sys.c
+++ b/fs/ocfs2/cluster/sys.c
@@ -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;