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[DLM] lock_dlm recover_status patch

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This saves the journal recovery result and makes it visible through sysfs.
User space needs to know if the node actually recovered the journal or
tried and gave up.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
David Teigland 2006-04-26 15:56:35 -04:00 committed by Steven Whitehouse
parent 579b78a43b
commit 6bd70aba5a
3 changed files with 18 additions and 9 deletions
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1
fs/gfs2/locking/dlm/lock_dlm.h
View File

@ -70,6 +70,7 @@ struct gdlm_ls {
lm_fsdata_t *fsdata;
int recover_jid;
int recover_jid_done;
int recover_jid_status;
spinlock_t async_lock;
struct list_head complete;
struct list_head blocking;

1
fs/gfs2/locking/dlm/mount.c
View File

@ -203,6 +203,7 @@ static void gdlm_recovery_done(lm_lockspace_t *lockspace, unsigned int jid,
{
struct gdlm_ls *ls = (struct gdlm_ls *) lockspace;
ls->recover_jid_done = jid;
ls->recover_jid_status = message;
kobject_uevent(&ls->kobj, KOBJ_CHANGE);
}

25
fs/gfs2/locking/dlm/sysfs.c
View File

@ -110,6 +110,11 @@ static ssize_t recover_done_show(struct gdlm_ls *ls, char *buf)
return sprintf(buf, "%d\n", ls->recover_jid_done);
}
static ssize_t recover_status_show(struct gdlm_ls *ls, char *buf)
{
return sprintf(buf, "%d\n", ls->recover_jid_status);
}
struct gdlm_attr {
struct attribute attr;
ssize_t (*show)(struct gdlm_ls *, char *);
@ -119,15 +124,16 @@ struct gdlm_attr {
#define GDLM_ATTR(_name,_mode,_show,_store) \
static struct gdlm_attr gdlm_attr_##_name = __ATTR(_name,_mode,_show,_store)
GDLM_ATTR(proto_name, 0444, proto_name_show, NULL);
GDLM_ATTR(block, 0644, block_show, block_store);
GDLM_ATTR(withdraw, 0644, withdraw_show, withdraw_store);
GDLM_ATTR(id, 0444, id_show, NULL);
GDLM_ATTR(jid, 0444, jid_show, NULL);
GDLM_ATTR(first, 0444, first_show, NULL);
GDLM_ATTR(first_done, 0444, first_done_show, NULL);
GDLM_ATTR(recover, 0644, recover_show, recover_store);
GDLM_ATTR(recover_done, 0444, recover_done_show, NULL);
GDLM_ATTR(proto_name, 0444, proto_name_show, NULL);
GDLM_ATTR(block, 0644, block_show, block_store);
GDLM_ATTR(withdraw, 0644, withdraw_show, withdraw_store);
GDLM_ATTR(id, 0444, id_show, NULL);
GDLM_ATTR(jid, 0444, jid_show, NULL);
GDLM_ATTR(first, 0444, first_show, NULL);
GDLM_ATTR(first_done, 0444, first_done_show, NULL);
GDLM_ATTR(recover, 0644, recover_show, recover_store);
GDLM_ATTR(recover_done, 0444, recover_done_show, NULL);
GDLM_ATTR(recover_status, 0444, recover_status_show, NULL);
static struct attribute *gdlm_attrs[] = {
&gdlm_attr_proto_name.attr,
@ -139,6 +145,7 @@ static struct attribute *gdlm_attrs[] = {
&gdlm_attr_first_done.attr,
&gdlm_attr_recover.attr,
&gdlm_attr_recover_done.attr,
&gdlm_attr_recover_status.attr,
NULL,
};