On Thu, Jul 14 2011 at 8:56pm -0400, Jeff Cook <jeff@xxxxxxxxxxxxxxxxxxxxx> wrote: > On 07/14/2011 05:56 AM, Milan Broz wrote: > > Add optional parameter field to dmcrypt table and support > > "allow_discards" option. > > > > Discard requests bypass crypt queue processing, bio > > request is simple remapped to underlying device. > > > > Note that discard will be never enabled by default because > > of security consequences, it is up to administrator > > to enable it for encrypted devices. > > > > (Note that userspace cryptsetup will not understand new > > optional parameters yet, support for this will come later.) > > > > Signed-off-by: Milan Broz <mbroz@xxxxxxxxxx> > > [snip] > > Thanks very much for this patch Milan. I will try compiling it shortly > and see where things go -- are you expecting this to be submitted for > inclusion in mainline soon? It is already staged for linux-next (and upstream inclusion when the 3.1 merge window opens): ftp://sources.redhat.com/pub/dm/patches/2.6-unstable/editing/patches/dm-crypt-optionally-support-discard-requests.patch NOTE: this version of the patch depends on additional changes that were also staged, e.g.: ftp://sources.redhat.com/pub/dm/patches/2.6-unstable/editing/patches/dm-table-share-target-argument-parsing-functions.patch -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel