Re: [RFC][PATCH] mmc_block: Allow more than 8 partitions per card

[Austin S Hemmelgarn]

On 2015-10-16 14:40, John Stultz wrote:
> From: Colin Cross <ccross@xxxxxxxxxxx>
>
> It is quite common for Android devices to utilize more
> then 8 partitions on internal eMMC storage. This patch,
> which has been carried for quite awhile in the AOSP common
> tree is necessary in order to support such configurations,
> so I wanted to submit it for consideration upstream.
Isn't this what CONFIG_MMC_BLOCK_MINORS is for?  It does limit you to 
256 minors total, and therefore the number of supported MMC's is equal 
to 256/CONFIG_MMC_BLOCK_MINORS, but I've never heard of an Android 
device with support for more than 4 MMC/SD cards (including eMMC's), and 
I would seriously question anyone who has the need for more than 32 
partitions on the root device for a phone/tablet/television.

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