On Sep 24 2018, Miklos Szeredi <miklos@xxxxxxxxxx> wrote: > On Mon, Sep 24, 2018 at 10:02 AM, Nikolaus Rath <Nikolaus@xxxxxxxx> wrote: >> Hi, >> >> How do I trigger writeback from a (writeback-cache enabled) FUSE >> filesystem? > > No way, currently (well, triggering fsync(2)/fdatasync(2) on the > filesystem would work, but such recursion is considered highly > hackish). You mean sync(2)/syncfs(2), not fsync(), right? Unless my manpages are out of date, fsync() only works on a specific inode. Best, -Nikolaus -- GPG Fingerprint: ED31 791B 2C5C 1613 AF38 8B8A D113 FCAC 3C4E 599F »Time flies like an arrow, fruit flies like a Banana.«