Messages in this thread |  | | Subject | Re: [PATCH] UBI: new module ubiblk: block layer on top of UBI | | From | Artem Bityutskiy <> | | Date | Thu, 28 Jul 2011 09:14:18 +0300 |
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On Tue, 2011-07-26 at 14:27 +0200, David Wagner wrote: > * The numbering of devices is much easier with ubiblk than with > gluebi+mtdblock_ro. With gluebi+mtdblock_ro, you get one additional > MTD device for each UBI volume, so the number of MTD devices grows > quite a lot and is a bit difficult to understand. For example, > mtdblock[0-4] might be your real MTD partitions, while mtdblock[5-9] > might be your UBI volumes. > It also means that if a new real MTD > partition is added, the number of all the MTD devices exposing UBI > volumes will be incremented by one, which is a bit > confusing/annoying. > As well, if you add an UBI volume, the mtdblock devices that are > emulated on top of volumes that come after this new one will have > their ID incremented. > > * The performance appears to be slightly better with ubiblk than > gluebi+mtdblock_ro, according to our benchmarks (see > http://elinux.org/Flash_Filesystem_Benchmarks_2.6.39)
Hi, I am having vacation till the middle of August and I do not have a possibility to look at UBI/UBIFS/MTD stuff now, sorry. When I come back, I'll go through my e-mails and respond. Apologies again.
-- Best Regards, Artem Bityutskiy (Битюцкий Артём)
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