On Mon, May 14, 2018 at 05:21:38PM +0200, Marek Vasut wrote: > On 05/14/2018 05:14 PM, Evan Thompson wrote: > > On Sun, May 13, 2018 at 12:03 PM, Marek Vasut <marek.va...@gmail.com> wrote: > >> > >> btw doesn't CONFIG_BLOCK_CACHE offer similar service, but for everyone > >> and on block level ? I recall looking for ext4 fs speed up , but then > >> ultimately used CONFIG_BLOCK_CACHE which did it for me. > > > > I was unaware of the existence of CONFIG_BLOCK_CACHE - yes, that will > > solve the same problem by caching at the block level instead of the > > filesystem level. So my patch is redundant, and ext4 users should just > > be advised to turn on CONFIG_BLOCK_CACHE. > > Maybe this block cache should be default=y (if BLK is enabled?) or we > should advertise it more somehow. I ran into the exact same issue and > started looking into the ext4 patches myself only to find the block > cache later on.
Agreed. I'm right now testing a patch or two to do that and see what the size cost is. Thanks all! -- Tom
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