On 2024/3/1 7:19, Dave Chinner wrote: > On Thu, Feb 29, 2024 at 04:59:34PM +0800, Zhang Yi wrote: >> Hello, Dave! >> >> On 2024/2/29 6:25, Dave Chinner wrote: >>> On Wed, Feb 28, 2024 at 04:53:32PM +0800, Zhang Yi wrote: >>>> On 2024/2/13 13:46, Christoph Hellwig wrote: ... > > The general solution is to have zeroing of speculative prealloc > extents beyond EOF simply convert the range to unwritten and then > invalidate any cached pages over that range. At this point, we are > guaranteed to have zeroes across that range, all without needing to > do any IO at all... > Sure, thanks for the explanation, I will try to solve this problem for xfs first. Thanks, Yi.
