On Mon, Jan 10, 2022 at 12:05:26AM -0800, Christoph Hellwig wrote: > Adding the locking primitive maintainers to this patch adding open coded > locking primitives.. > > On Sat, Jan 08, 2022 at 08:46:17AM -0800, Jaegeuk Kim wrote: > > From: Tim Murray <[email protected]> > > > > f2fs rw_semaphores work better if writers can starve readers, > > especially for the checkpoint thread, because writers are strictly > > more important than reader threads. This prevents significant priority > > inversion between low-priority readers that blocked while trying to > > acquire the read lock and a second acquisition of the write lock that > > might be blocking high priority work.
*groan*... that's nowhere near enough Changelog to justify any of this. Because next is a whole series of patches making things even worse because lockdep no longers works as expected on this custom thing. Can we start by describing the actual problem? _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
