On Wed, Aug 11, 2021 at 12:17:20PM -0700, Darrick J. Wong wrote: > From: Christoph Hellwig <hch@xxxxxx> > > The iomap_iter struct provides a convenient way to package up and > maintain all the arguments to the various mapping and operation > functions. It is operated on using the iomap_iter() function that > is called in loop until the whole range has been processed. Compared > to the existing iomap_apply() function this avoid an indirect call > for each iteration. > > For now iomap_iter() calls back into the existing ->iomap_begin and > ->iomap_end methods, but in the future this could be further optimized > to avoid indirect calls entirely. > > Based on an earlier patch from Matthew Wilcox <willy@xxxxxxxxxxxxx>. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > [djwong: add to apply.c to preserve git history of iomap loop control] > Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx> > Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx> Looks like a straight translation of Christoph's original. Seems fine to me as a simepl step towards preserving the git history. Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx> -- Dave Chinner david@xxxxxxxxxxxxx
