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Diffstat (limited to 'drivers/md/dm-mpath.c')
-rw-r--r--drivers/md/dm-mpath.c31
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 030bc2a053ec..c1335487cc72 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -235,6 +235,21 @@ static void free_multipath(struct multipath *m)
235 * Path selection 235 * Path selection
236 *-----------------------------------------------*/ 236 *-----------------------------------------------*/
237 237
238static void __pg_init_all_paths(struct multipath *m)
239{
240 struct pgpath *pgpath;
241
242 m->pg_init_count++;
243 m->pg_init_required = 0;
244 list_for_each_entry(pgpath, &m->current_pg->pgpaths, list) {
245 /* Skip failed paths */
246 if (!pgpath->is_active)
247 continue;
248 if (queue_work(kmpath_handlerd, &pgpath->activate_path))
249 m->pg_init_in_progress++;
250 }
251}
252
238static void __switch_pg(struct multipath *m, struct pgpath *pgpath) 253static void __switch_pg(struct multipath *m, struct pgpath *pgpath)
239{ 254{
240 m->current_pg = pgpath->pg; 255 m->current_pg = pgpath->pg;
@@ -439,7 +454,7 @@ static void process_queued_ios(struct work_struct *work)
439{ 454{
440 struct multipath *m = 455 struct multipath *m =
441 container_of(work, struct multipath, process_queued_ios); 456 container_of(work, struct multipath, process_queued_ios);
442 struct pgpath *pgpath = NULL, *tmp; 457 struct pgpath *pgpath = NULL;
443 unsigned must_queue = 1; 458 unsigned must_queue = 1;
444 unsigned long flags; 459 unsigned long flags;
445 460
@@ -457,17 +472,9 @@ static void process_queued_ios(struct work_struct *work)
457 (!pgpath && !m->queue_if_no_path)) 472 (!pgpath && !m->queue_if_no_path))
458 must_queue = 0; 473 must_queue = 0;
459 474
460 if (m->pg_init_required && !m->pg_init_in_progress && pgpath) { 475 if (m->pg_init_required && !m->pg_init_in_progress && pgpath)
461 m->pg_init_count++; 476 __pg_init_all_paths(m);
462 m->pg_init_required = 0; 477
463 list_for_each_entry(tmp, &pgpath->pg->pgpaths, list) {
464 /* Skip failed paths */
465 if (!tmp->is_active)
466 continue;
467 if (queue_work(kmpath_handlerd, &tmp->activate_path))
468 m->pg_init_in_progress++;
469 }
470 }
471out: 478out:
472 spin_unlock_irqrestore(&m->lock, flags); 479 spin_unlock_irqrestore(&m->lock, flags);
473 if (!must_queue) 480 if (!must_queue)