diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-mpath.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index fb9582ae6b2..d1dc72c0f98 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -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: |