On Fri, Feb 05, 2021 at 11:58:36PM +0900, Naohiro Aota wrote: > Since the zoned filesystem requires sequential write out of metadata, we > cannot proceed with a hole in tree-log pages. When such a hole exists, > btree_write_cache_pages() will return -EAGAIN. This happens when someone, > e.g., a concurrent transaction commit, writes a dirty extent in this > tree-log commit. > > If we are not going to wait for the extents, we can hope the concurrent > writing fills the hole for us. So, we can ignore the error in this case and > hope the next write will succeed. > > If we want to wait for them and got the error, we cannot wait for them > because it will cause a deadlock. So, let's bail out to a full commit in > this case. > > Signed-off-by: Naohiro Aota <naohiro.aota@xxxxxxx> Inserted before the last patch, thanks.
