Messages in this thread | | | Date | Mon, 4 Mar 2013 13:23:54 -0800 | Subject | Re: [PATCH] md: dm-verity: Fix to avoid a deadlock in dm-bufio | From | Paul Taysom <> |
| |
On Mon, Mar 4, 2013 at 9:42 AM, Alasdair G Kergon <agk@redhat.com> wrote: > On Mon, Mar 04, 2013 at 08:45:48AM -0800, Paul Taysom wrote: >> @@ -449,8 +468,14 @@ static void verity_prefetch_io(struct dm_verity *v, struct dm_verity_io *io) >> hash_block_end = v->hash_blocks - 1; >> } >> no_prefetch_cluster: >> - dm_bufio_prefetch(v->bufio, hash_block_start, >> - hash_block_end - hash_block_start + 1); >> + vw = kmalloc(sizeof(*vw), GFP_KERNEL); > > kmalloc? mempool? ... > > Alasdair > The use of mempool would be a separate patch that would have to be measured for performance impact. -Paul
| |