Commit 28f16c20 authored by Micha³ Miros³aw's avatar Micha³ Miros³aw Committed by Linus Torvalds
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[PATCH] dm mpath: tidy ctr



After initialising m->ti, there's no need to pass it in subsequent calls to
static functions used for parsing parameters.

Signed-off-by: default avatarMicha³ Miros³aw <mirq-linux@rere.qmqm.pl>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent e52b8f6d
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+13 −15
Original line number Diff line number Diff line
@@ -168,7 +168,7 @@ static void free_priority_group(struct priority_group *pg,
	kfree(pg);
}

static struct multipath *alloc_multipath(void)
static struct multipath *alloc_multipath(struct dm_target *ti)
{
	struct multipath *m;

@@ -185,6 +185,8 @@ static struct multipath *alloc_multipath(void)
			kfree(m);
			return NULL;
		}
		m->ti = ti;
		ti->private = m;
	}

	return m;
@@ -557,8 +559,7 @@ static struct pgpath *parse_path(struct arg_set *as, struct path_selector *ps,
}

static struct priority_group *parse_priority_group(struct arg_set *as,
						   struct multipath *m,
						   struct dm_target *ti)
						   struct multipath *m)
{
	static struct param _params[] = {
		{1, 1024, "invalid number of paths"},
@@ -568,6 +569,7 @@ static struct priority_group *parse_priority_group(struct arg_set *as,
	int r;
	unsigned i, nr_selector_args, nr_params;
	struct priority_group *pg;
	struct dm_target *ti = m->ti;

	if (as->argc < 2) {
		as->argc = 0;
@@ -624,12 +626,12 @@ static struct priority_group *parse_priority_group(struct arg_set *as,
	return NULL;
}

static int parse_hw_handler(struct arg_set *as, struct multipath *m,
			    struct dm_target *ti)
static int parse_hw_handler(struct arg_set *as, struct multipath *m)
{
	int r;
	struct hw_handler_type *hwht;
	unsigned hw_argc;
	struct dm_target *ti = m->ti;

	static struct param _params[] = {
		{0, 1024, "invalid number of hardware handler args"},
@@ -661,11 +663,11 @@ static int parse_hw_handler(struct arg_set *as, struct multipath *m,
	return 0;
}

static int parse_features(struct arg_set *as, struct multipath *m,
			  struct dm_target *ti)
static int parse_features(struct arg_set *as, struct multipath *m)
{
	int r;
	unsigned argc;
	struct dm_target *ti = m->ti;

	static struct param _params[] = {
		{0, 1, "invalid number of feature args"},
@@ -704,19 +706,17 @@ static int multipath_ctr(struct dm_target *ti, unsigned int argc,
	as.argc = argc;
	as.argv = argv;

	m = alloc_multipath();
	m = alloc_multipath(ti);
	if (!m) {
		ti->error = "can't allocate multipath";
		return -EINVAL;
	}

	m->ti = ti;

	r = parse_features(&as, m, ti);
	r = parse_features(&as, m);
	if (r)
		goto bad;

	r = parse_hw_handler(&as, m, ti);
	r = parse_hw_handler(&as, m);
	if (r)
		goto bad;

@@ -732,7 +732,7 @@ static int multipath_ctr(struct dm_target *ti, unsigned int argc,
	while (as.argc) {
		struct priority_group *pg;

		pg = parse_priority_group(&as, m, ti);
		pg = parse_priority_group(&as, m);
		if (!pg) {
			r = -EINVAL;
			goto bad;
@@ -752,8 +752,6 @@ static int multipath_ctr(struct dm_target *ti, unsigned int argc,
		goto bad;
	}

	ti->private = m;

	return 0;

 bad: