Christoph, On 21.10.2016 15:24, Christoph Hellwig wrote: > On Fri, Oct 21, 2016 at 03:17:03PM +0200, Richard Weinberger wrote: >> UBIFS works on kmalloc()'ed buffers where it constructs the NAND/NOR pages >> which will be written to the MTD. JFFS2 does the same. > > Yes, you can trivially do a virt_to_page on a kmalloc buffer. > >> Another reason why I did the buffer functions is because >> fscrypt_encrypt_page() >> always allocates a bounce page as temporary memory. For ext4 this is needed, >> for UBIFS not. >> UBIFS has already a construction buffer, especially since it also does >> compression. > > We should defintively find a way to avoid that, but it's a separate > issue from adding another API just to pass buffers.
Okay, I'll address this in v2 of my series. Thanks, //richard
