tree 32e4eebdad84d1c6e84508186b0f1fb63df7bdfc
parent 9f141d6ef6258a3a37a045842d9ba7e68f368956
author Jan Kara <jack@suse.cz> 1477042429 +0200
committer Dan Williams <dan.j.williams@intel.com> 1482812965 -0800

ext4: Simplify DAX fault path

Now that dax_iomap_fault() calls ->iomap_begin() without entry lock, we
can use transaction starting in ext4_iomap_begin() and thus simplify
ext4_dax_fault(). It also provides us proper retries in case of ENOSPC.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>