diff options
| author | Edward Goggin <egoggin@emc.com> | 2007-05-09 02:32:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-09 12:30:46 -0700 |
| commit | 79eb885c96b5ccf8bbffd0dddc4c15a5dd436a1c (patch) | |
| tree | 1bae1cea97907415f19a0009aaa8e11e63fef34c /drivers/md | |
| parent | 46b477306afcd0516924b26792c7a42f4dbfa9f0 (diff) | |
| download | blackbird-op-linux-79eb885c96b5ccf8bbffd0dddc4c15a5dd436a1c.tar.gz blackbird-op-linux-79eb885c96b5ccf8bbffd0dddc4c15a5dd436a1c.zip | |
dm mpath: log device name
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-hw-handler.h | 1 | ||||
| -rw-r--r-- | drivers/md/dm-mpath.c | 3 | ||||
| -rw-r--r-- | drivers/md/dm.c | 1 |
3 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/dm-hw-handler.h b/drivers/md/dm-hw-handler.h index 32eff28e4adc..e0832e6fcf36 100644 --- a/drivers/md/dm-hw-handler.h +++ b/drivers/md/dm-hw-handler.h @@ -16,6 +16,7 @@ struct hw_handler_type; struct hw_handler { struct hw_handler_type *type; + struct mapped_device *md; void *context; }; diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 3aa013506967..de54b39e6ffe 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -668,6 +668,9 @@ static int parse_hw_handler(struct arg_set *as, struct multipath *m) 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); diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 11a98df298ec..2717a355dc5b 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1236,6 +1236,7 @@ void dm_put(struct mapped_device *md) free_dev(md); } } +EXPORT_SYMBOL_GPL(dm_put); /* * Process the deferred bios |
