Re: [f2fs-dev] [PATCH] generic/064: allow 50 extents on F2FS after fcollapse

Chao Yu <[email protected]> Wed, 22 Jul 2026 20:32:08 +0800
Newsgroups org.kernel.vger.fstests,net.sourceforge.lists.linux-f2fs-devel
Message-ID <[email protected]>
On 7/22/26 16:59, Christoph Hellwig wrote:
> Can you clarify what "non-checkpoint data" data means?  Older data?

It is newer data.

1. write data first, and then trigger checkpoint, after checkpoint, data will
become checkpointed one, for such case we can only collapse w/ data copying.
2. write data (data is non-checkpointed if there is no following checkpoint),
then we can collapse w/ metadata update.