On Thu, Jul 22, 2010 at 11:15 PM, Stefan Roese <sr@xxxxxxx> wrote: > Hi Marri, > > On Friday 23 July 2010 02:57:18 tmarri@xxxxxxxx wrote: >> From: Tirumala Marri <tmarri@xxxxxxxx> >> >> This patch will add ADMA support for DMA engine and HW offload for >> XOR/ADG (RAID-5/6) functionalities. >> 1. It supports memcpy, xor, GF(2) based RAID-6. >> 2. It supports interrupt based DMA completions. >> 3. Also supports memcpy in RAID-1 case. >> >> Kernel version: 2.6.35-rc5 >> >> Testing: >> Created RAID-5/6 arrays usign mdadm. >> And ran raw IO and filesystem IO to the RAID array. >> Chunk size 4k,64k was tested. >> RAID rebuild , disk fail, resync tested. >> >> File names: >> This code is similar to ppc440spe . So I named the files as >> drivers/dma/ppc4xx/adma1.c and drivers/dma/ppc4xx/adma1.h > > As you describe above, a lot of the code seems to be copied from > drivers/dma/ppc4xx/adma.c/h. Wouldn't it make more sense to factor out the > common code instead of duplicating it? > Yes, and you might look to drivers/dma/iop-adma.c as an example of a way to support similar hardware with a single code base. -- Dan -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
