iomap: move the main iteration code into a separate file

Move the main iteration code into a separate file so that we can group
related functions in a single file instead of having a single enormous
source file.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2019-07-15 08:51:00 -07:00
commit cb7181ff4b
4 changed files with 77 additions and 92 deletions