Messages in this thread Patch in this message | | | Date | Tue, 8 May 2007 20:45:54 +0100 | From | Alasdair G Kergon <> | Subject | [2.6.22 PATCH 09/26] dm mpath: log device name |
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From: Edward Goggin <egoggin@emc.com>
Make the mapped device structure accessible to hardware handlers so error messages can include the device name.
Signed-off-by: Edward Goggin <egoggin@emc.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> ---
drivers/md/dm-hw-handler.h | 1 + drivers/md/dm-mpath.c | 3 +++ drivers/md/dm.c | 1 + 3 files changed, 5 insertions(+)
Index: linux-2.6.21/drivers/md/dm-hw-handler.h =================================================================== --- linux-2.6.21.orig/drivers/md/dm-hw-handler.h 2007-05-01 17:38:32.000000000 +0100 +++ linux-2.6.21/drivers/md/dm-hw-handler.h 2007-05-01 17:40:50.000000000 +0100 @@ -16,6 +16,7 @@ struct hw_handler_type; struct hw_handler { struct hw_handler_type *type; + struct mapped_device *md; void *context; }; Index: linux-2.6.21/drivers/md/dm-mpath.c =================================================================== --- linux-2.6.21.orig/drivers/md/dm-mpath.c 2007-05-01 17:38:32.000000000 +0100 +++ linux-2.6.21/drivers/md/dm-mpath.c 2007-05-01 17:40:50.000000000 +0100 @@ -668,6 +668,9 @@ static int parse_hw_handler(struct arg_s return -EINVAL; } + m->hw_handler.md = dm_table_get_md(ti->table); + dm_put(m->hw_handler.md); + r = hwht->create(&m->hw_handler, hw_argc - 1, as->argv); if (r) { dm_put_hw_handler(hwht); Index: linux-2.6.21/drivers/md/dm.c =================================================================== --- linux-2.6.21.orig/drivers/md/dm.c 2007-05-01 17:38:32.000000000 +0100 +++ linux-2.6.21/drivers/md/dm.c 2007-05-01 17:40:50.000000000 +0100 @@ -1236,6 +1236,7 @@ void dm_put(struct mapped_device *md) free_dev(md); } } +EXPORT_SYMBOL_GPL(dm_put); /* * Process the deferred bios - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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