On Wed, Aug 21, 2019 at 10:42:57AM +0300, Nikolay Borisov wrote: > run_delalloc_nocow contains numerous, somewhat subtle, checks when > figuring out whether a particular extent should be CoW'ed or not. This > patch explicitly states the assumptions those checks verify. As a > result also document 2 of the more subtle checks in check_committed_ref > as well. > > Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx> Reviewed-by: David Sterba <dsterba@xxxxxxxx> with typos and whitespace fixes here and there.
