Author: mav
Date: Wed Jan 30 16:50:53 2019
New Revision: 343582
URL: https://svnweb.freebsd.org/changeset/base/343582
Log:
Relax BIO_FLUSH ordering in da(4), respecting BIO_ORDERED.
r212160 tightened this from always using MSG_SIMPLE_Q_TAG to always
MSG_ORDERED_Q_TAG. Since it also marked all BIO_FLUSH requests with
BIO_ORDERED, this commit changes nothing immediately, but it returns
BIO_FLUSH callers ability to actually specify ordering they really
need, alike to other request types.
MFC after: 2 weeks
Sponsored by: iXsystems, Inc.
Modified:
head/sys/cam/scsi/scsi_da.c
Modified: head/sys/cam/scsi/scsi_da.c
==============================================================================
--- head/sys/cam/scsi/scsi_da.c Wed Jan 30 16:29:15 2019 (r343581)
+++ head/sys/cam/scsi/scsi_da.c Wed Jan 30 16:50:53 2019 (r343582)
@@ -3321,7 +3321,7 @@ more:
scsi_synchronize_cache(&start_ccb->csio,
/*retries*/1,
/*cbfcnp*/dadone,
- MSG_ORDERED_Q_TAG,
+ /*tag_action*/tag_code,
/*begin_lba*/0,
/*lb_count*/0,
SSD_FULL_SIZE,
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