netfs: Only call folio_start_fscache() one time for each folio
JIRA: https://issues.redhat.com/browse/RHEL-7959
Upstream Status: linux.git
Tested: Unit test which reproduced the failure. See testcase in bugzilla / jira and results.
Signed-off-by: Dave Wysochanski dwysocha@redhat.com
Edited by Dave Wysochanski