On Fri, 28 Feb 2025 12:37:22 -0800 Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> wrote: > There is a generic anti-pattern that shows up in the VFS and several > filesystems where the hot write paths touch userspace twice when they > could get away with doing it once. > > Dave Chinner suggested that they should all be fixed up[1]. I agree[2]. > But, the series to do that fixup spans a bunch of filesystems and a lot > of people. This patch fixes common code that absolutely everyone uses. > It has measurable performance benefits[3]. > > I think this patch can go in and not be held up by the others. I'll queue this in mm-hotfixes with a view to sneaking it into 6.14-rcX as a basis for others to work against.
