On 5 February 2012 08:15, Chris Ball <cjb@xxxxxxxxxx> wrote: > Hi, > > On Wed, Feb 01 2012, Saugata Das wrote: >> From: Saugata Das <saugata.das@xxxxxxxxxx> >> >> This patch groups the read or write transfers to eMMC in different contexts >> based on the block number. Transfers to consecutive blocks are grouped to a >> common context. So several small transfers combine to give performance like >> a large multi block transfer. >> >> The patch creates a context of 1MB multiple in non-large unit mode. Reliable >> mode is enabled in the context based on whether reliable write is enabled. > > Do you see any performance changes with this patchset? If so, can you > give details? I do not see any performance impact (positive or negative) on the sample eMMC-4.5 device which I have. This could be due to the slow bridge which I use (1-bit mode at 25MHz) to connect the eMMC-4.5 device on micro-SD slot of 8500 platform. > > Thanks, > > - Chris. > -- > Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/> > One Laptop Per Child > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
