On Thu, Dec 12, 2024 at 01:38:57PM -0800, Darrick J. Wong wrote: > On Wed, Dec 11, 2024 at 09:54:36AM +0100, Christoph Hellwig wrote: > > xfs_reflink_trim_around_shared tries to find shared blocks in the > > refcount btree. Always_cow inodes don't have that tree, so don't > > bother. > > > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > > Is this a bug fix? For the existing always_cow code it is a minor optimization. For the zoned code that can do COW without the rtreflink code it avoids triggering a NULL pointer dereference.
