K 10 svn:author V 3 mav K 8 svn:date V 27 2017-07-26T16:52:24.218998Z K 7 svn:log V 1247 MFC r318922: MFV r316927: 5379 modifying a mmap()-ed file does not update its timestamps FreeBSD note: this is a record-only merge as the FreeBSD putpages code is quite different from the upstream. illumos/illumos-gate@80e10fd0d22bbf0d18bfdae035e06f44c68ae8e6 https://github.com/illumos/illumos-gate/commit/80e10fd0d22bbf0d18bfdae035e06f44c68ae8e6 https://www.illumos.org/issues/5379 The following is based on a review of the illumos code and on a similar problem reported for FreeBSD where the relevant code is different. Looking at this block of code http://src.illumos.org/source/xref/illumos-gate/ usr/src/uts/common/fs/zfs/zfs_vnops.c#4187 I see code to set up an sa_bulk_attr_t object, I see code to set up mtime and ctime values, but I do not see code to actually apply the attributes... I would expect there to be a call to sa_bulk_update(), there is such a call in zfs_write() for instance. mmap_write.c [Magnifier] - demo (1.42 KB) Andriy Gapon, 2015-11-11 01:53 PM Reviewed by: Matthew Ahrens Reviewed by: Prashanth Sreenivasa Reviewed by: Dan McDonald Approved by: Gordon Ross Author: Andriy Gapon END