Hi Ted, the merge window is about to open and I am getting worried about this patch-set - I won't have time to fix it if you indicate an issue... On Mon, 2012-04-02 at 14:45 +0300, Artem Bityutskiy wrote: > This patch-set makes ext4 independent of the VFS superblock management > services. Namely, ext4 does not require to register the 'write_super()' VFS > call-back. > > The reason of this exercises is to get rid of the 'sync_supers()' kernel thread > which wakes up every 5 seconds (by default) even if all superblocks are clean. > This is wasteful from power management POW (unnecessary wake-ups). > > Version 1 of this patch-set can be found here: > https://lkml.org/lkml/2012/3/20/220 > > Changes between v1 and v2. > * Rake different strategy - instead of pushing 's_dirt' down "as-is" and > emulating old behavior, we now just submit the superblock for writing > straight away, either via the journal or directly. Thank to Jan Kara > for helping with this. > * Ted picked some of the patches already, which made this series shorter > - thanks! > * This time I've tested the changes using xfstests. > * Rebased to 3.4-rc1. > > Note: Ted, you merged the "mm: export dirty_writeback_interval", but it looks > like we won't need this for ext[23]. However, for other file-systems we will > need this change. > > Thanks, > Artem. -- Best Regards, Artem Bityutskiy
Attachment:
signature.asc
Description: This is a digitally signed message part
