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[SCSI] scsi_dh: Remove dm_pg_init_complete

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This patch just removes the dm layer's path initialization completion
routine.  This is separated from the other patch(scsi_dh: Use SCSI
device handler in dm-multipath) Just to make that patch more readable.

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Acked-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Chandra Seetharaman 2008-05-01 14:50:28 -07:00 committed by James Bottomley
parent bab7cfc733
commit 2651f5d7d3
1 changed files with 0 additions and 41 deletions
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41
drivers/md/dm-mpath.c
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@ -7,7 +7,6 @@
#include "dm.h" #include "dm.h"
#include "dm-path-selector.h" #include "dm-path-selector.h"
#include "dm-hw-handler.h"
#include "dm-bio-list.h" #include "dm-bio-list.h"
#include "dm-bio-record.h" #include "dm-bio-record.h"
#include "dm-uevent.h" #include "dm-uevent.h"
@ -1008,44 +1007,6 @@ static int pg_init_limit_reached(struct multipath *m, struct pgpath *pgpath)
return limit_reached; return limit_reached;
} }
/*
* pg_init must call this when it has completed its initialisation
*/
void dm_pg_init_complete(struct dm_path *path, unsigned err_flags)
{
struct pgpath *pgpath = path_to_pgpath(path);
struct priority_group *pg = pgpath->pg;
struct multipath *m = pg->m;
unsigned long flags;
/*
* If requested, retry pg_init until maximum number of retries exceeded.
* If retry not requested and PG already bypassed, always fail the path.
*/
if (err_flags & MP_RETRY) {
if (pg_init_limit_reached(m, pgpath))
err_flags |= MP_FAIL_PATH;
} else if (err_flags && pg->bypassed)
err_flags |= MP_FAIL_PATH;
if (err_flags & MP_FAIL_PATH)
fail_path(pgpath);
if (err_flags & MP_BYPASS_PG)
bypass_pg(m, pg, 1);
spin_lock_irqsave(&m->lock, flags);
if (err_flags & ~MP_RETRY) {
m->current_pgpath = NULL;
m->current_pg = NULL;
} else if (!m->pg_init_required)
m->queue_io = 0;
m->pg_init_in_progress = 0;
queue_work(kmultipathd, &m->process_queued_ios);
spin_unlock_irqrestore(&m->lock, flags);
}
static void pg_init_done(struct dm_path *path, int errors) static void pg_init_done(struct dm_path *path, int errors)
{ {
struct pgpath *pgpath = path_to_pgpath(path); struct pgpath *pgpath = path_to_pgpath(path);
@ -1497,8 +1458,6 @@ static void __exit dm_multipath_exit(void)
kmem_cache_destroy(_mpio_cache); kmem_cache_destroy(_mpio_cache);
} }
EXPORT_SYMBOL_GPL(dm_pg_init_complete);
module_init(dm_multipath_init); module_init(dm_multipath_init);
module_exit(dm_multipath_exit); module_exit(dm_multipath_exit);