On Apr 25, 2020, at 02:43, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > > On Sat, Apr 25, 2020 at 12:11:59PM +0300, Amir Goldstein wrote: >> FWIW, I agree with you. >> And seems like Jan does as well, since he ACKed all your patches. >> Current patches would be easier to backport to stable kernels. > > Honestly, the proper fix is pretty much trivial. I wrote it up this > morning over coffee: > > http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/fiemap-fix > > Still needs more testing, though. The "maxbytes" value should be passed in from the caller, since this may be different per inode (for ext4 at least). Cheers, Andreas