forked from luck/tmp_suning_uos_patched
[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: Micha³ Miros³aw <mirq-linux@rere.qmqm.pl> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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e52b8f6dbe
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28f16c2039
@ -168,7 +168,7 @@ static void free_priority_group(struct priority_group *pg,
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kfree(pg);
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}
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static struct multipath *alloc_multipath(void)
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static struct multipath *alloc_multipath(struct dm_target *ti)
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{
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struct multipath *m;
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@ -185,6 +185,8 @@ static struct multipath *alloc_multipath(void)
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kfree(m);
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return NULL;
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}
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m->ti = ti;
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ti->private = m;
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}
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return m;
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@ -557,8 +559,7 @@ static struct pgpath *parse_path(struct arg_set *as, struct path_selector *ps,
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}
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static struct priority_group *parse_priority_group(struct arg_set *as,
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struct multipath *m,
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struct dm_target *ti)
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struct multipath *m)
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{
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static struct param _params[] = {
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{1, 1024, "invalid number of paths"},
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@ -568,6 +569,7 @@ static struct priority_group *parse_priority_group(struct arg_set *as,
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int r;
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unsigned i, nr_selector_args, nr_params;
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struct priority_group *pg;
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struct dm_target *ti = m->ti;
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if (as->argc < 2) {
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as->argc = 0;
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@ -624,12 +626,12 @@ static struct priority_group *parse_priority_group(struct arg_set *as,
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return NULL;
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}
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static int parse_hw_handler(struct arg_set *as, struct multipath *m,
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struct dm_target *ti)
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static int parse_hw_handler(struct arg_set *as, struct multipath *m)
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{
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int r;
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struct hw_handler_type *hwht;
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unsigned hw_argc;
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struct dm_target *ti = m->ti;
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static struct param _params[] = {
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{0, 1024, "invalid number of hardware handler args"},
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@ -661,11 +663,11 @@ static int parse_hw_handler(struct arg_set *as, struct multipath *m,
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return 0;
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}
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static int parse_features(struct arg_set *as, struct multipath *m,
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struct dm_target *ti)
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static int parse_features(struct arg_set *as, struct multipath *m)
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{
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int r;
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unsigned argc;
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struct dm_target *ti = m->ti;
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static struct param _params[] = {
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{0, 1, "invalid number of feature args"},
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@ -704,19 +706,17 @@ static int multipath_ctr(struct dm_target *ti, unsigned int argc,
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as.argc = argc;
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as.argv = argv;
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m = alloc_multipath();
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m = alloc_multipath(ti);
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if (!m) {
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ti->error = "can't allocate multipath";
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return -EINVAL;
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}
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m->ti = ti;
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r = parse_features(&as, m, ti);
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r = parse_features(&as, m);
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if (r)
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goto bad;
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r = parse_hw_handler(&as, m, ti);
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r = parse_hw_handler(&as, m);
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if (r)
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goto bad;
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@ -732,7 +732,7 @@ static int multipath_ctr(struct dm_target *ti, unsigned int argc,
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while (as.argc) {
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struct priority_group *pg;
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pg = parse_priority_group(&as, m, ti);
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pg = parse_priority_group(&as, m);
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if (!pg) {
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r = -EINVAL;
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goto bad;
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@ -752,8 +752,6 @@ static int multipath_ctr(struct dm_target *ti, unsigned int argc,
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goto bad;
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}
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ti->private = m;
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return 0;
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bad:
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