On Wed, Nov 28, 2018 at 09:44:59AM +0200, Nikolay Borisov wrote: > > > On 28.11.18 г. 5:07 ч., Lu Fengqi wrote: > > The generic/513 tell that cloning into a file did not strip security > > privileges (suid, capabilities) like a regular write would. > > > > Signed-off-by: Lu Fengqi <lufq.fnst@xxxxxxxxxxxxxx> > > --- > > The xfs and ocfs2 call generic_remap_file_range_prep to drop file > > privileges, I'm not sure whether btrfs should do the same thing. > > Why do you think btrfs shouldn't do the same thing. Looking at > remap_file_range_prep it seems that btrfs is missing a ton of checks > that are useful i.e immutable files/aligned offsets etc. Any chance we could move btrfs over to use remap_file_range_prep so that all file systems share the exact same checks?
