On Thu, Apr 06, 2023 at 04:40:46PM +0200, Christoph Hellwig wrote: > Hi all, > > this series cleans up the zram I/O path, and fixes the handling of > synchronous I/O to the underlying device in the writeback_store > function or for > 4K PAGE_SIZE systems. > > The fixes are at the end, as I could not fully reason about them being > safe before untangling the callchain. > > This survives xfstests on two zram devices on x86, but I don't actually > have a large PAGE_SIZE system to test that path on. > > Changes since v1: > - fix failed read vs write accounting > - minor commit log and comment improvements > - cosmetic change to use a break instead of a return in the main switch > in zram_submit_bio > > Diffstat: > zram_drv.c | 377 ++++++++++++++++++++++--------------------------------------- > zram_drv.h | 1 > 2 files changed, 137 insertions(+), 241 deletions(-) It really cleaned the zram long time mess. Kudos to Christoph!
