Searched hist:ee18026a (Results 1 – 1 of 1) sorted by relevance
/openbmc/linux/drivers/md/ |
H A D | dm-snap.c | ee18026a Fri Dec 21 14:23:41 CST 2012 Mikulas Patocka <mpatocka@redhat.com> dm snapshot: do not use map_context
Eliminate struct map_info from dm-snap.
map_info->ptr was used in dm-snap to indicate if the bio was tracked. If map_info->ptr was non-NULL, the bio was linked in tracked_chunk_hash.
This patch removes the use of map_info->ptr. We determine if the bio was tracked based on hlist_unhashed(&c->node). If hlist_unhashed is true, the bio is not tracked, if it is false, the bio is tracked.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> ee18026a Fri Dec 21 14:23:41 CST 2012 Mikulas Patocka <mpatocka@redhat.com> dm snapshot: do not use map_context Eliminate struct map_info from dm-snap. map_info->ptr was used in dm-snap to indicate if the bio was tracked. If map_info->ptr was non-NULL, the bio was linked in tracked_chunk_hash. This patch removes the use of map_info->ptr. We determine if the bio was tracked based on hlist_unhashed(&c->node). If hlist_unhashed is true, the bio is not tracked, if it is false, the bio is tracked. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
|