dm mpath: remove is_active from struct dm_path

This patch moves 'is_active' from struct dm_path to struct pgpath
as it does not need exporting.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index c2ff77d..b2ab848 100644 (file)
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -30,6 +30,7 @@ struct pgpath {
        struct list_head list;
 
        struct priority_group *pg;      /* Owning PG */
+       unsigned is_active;             /* Path status */
        unsigned fail_count;            /* Cumulative failure count */
 
        struct dm_path path;
@@ -123,7 +124,7 @@ static struct pgpath *alloc_pgpath(void)
        struct pgpath *pgpath = kzalloc(sizeof(*pgpath), GFP_KERNEL);
 
        if (pgpath)
-               pgpath->path.is_active = 1;
+               pgpath->is_active = 1;
 
        return pgpath;
 }
@@ -854,13 +855,13 @@ static int fail_path(struct pgpath *pgpath)
 
        spin_lock_irqsave(&m->lock, flags);
 
-       if (!pgpath->path.is_active)
+       if (!pgpath->is_active)
                goto out;
 
        DMWARN("Failing path %s.", pgpath->path.dev->name);
 
        pgpath->pg->ps.type->fail_path(&pgpath->pg->ps, &pgpath->path);
-       pgpath->path.is_active = 0;
+       pgpath->is_active = 0;
        pgpath->fail_count++;
 
        m->nr_valid_paths--;
@@ -890,7 +891,7 @@ static int reinstate_path(struct pgpath *pgpath)
 
        spin_lock_irqsave(&m->lock, flags);
 
-       if (pgpath->path.is_active)
+       if (pgpath->is_active)
                goto out;
 
        if (!pgpath->pg->ps.type->reinstate_path) {
@@ -904,7 +905,7 @@ static int reinstate_path(struct pgpath *pgpath)
        if (r)
                goto out;
 
-       pgpath->path.is_active = 1;
+       pgpath->is_active = 1;
 
        m->current_pgpath = NULL;
        if (!m->nr_valid_paths++ && m->queue_size)
@@ -1292,7 +1293,7 @@ static int multipath_status(struct dm_target *ti, status_type_t type,
 
                        list_for_each_entry(p, &pg->pgpaths, list) {
                                DMEMIT("%s %s %u ", p->path.dev->name,
-                                      p->path.is_active ? "A" : "F",
+                                      p->is_active ? "A" : "F",
                                       p->fail_count);
                                if (pg->ps.type->status)
                                        sz += pg->ps.type->status(&pg->ps,

diff --git a/drivers/md/dm-mpath.h b/drivers/md/dm-mpath.h
index c198b85..e230f71 100644 (file)
--- a/drivers/md/dm-mpath.h
+++ b/drivers/md/dm-mpath.h
@@ -13,8 +13,6 @@ struct dm_dev;
 
 struct dm_path {
        struct dm_dev *dev;     /* Read-only */
-       unsigned is_active;     /* Read-only */
-
        void *pscontext;        /* For path-selector use */
 };