dm: bio list add bio_list_add_head
commit99c75e3130cff0c869c657ee97fb4a68958eeffc
authorMikulas Patocka <mpatocka@redhat.com>
Thu, 2 Apr 2009 18:55:36 +0000 (2 19:55 +0100)
committerAlasdair G Kergon <agk@redhat.com>
Thu, 2 Apr 2009 18:55:36 +0000 (2 19:55 +0100)
treecd3aaee7a0aeab15a3cc345046ef2020e62f21cd
parenta32079ce17899192a7b98a42753be467605a8b2f
dm: bio list add bio_list_add_head

Introduce a function that adds a bio to the head of the list for
use by the patch that will support barriers.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
drivers/md/dm-bio-list.h