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linux/drivers/dax
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Dave Jiang ef84230223 device-dax: allow MAP_SYNC to succeed 
MAP_SYNC is a nop for device-dax. Allow MAP_SYNC to succeed on device-dax
to eliminate special casing between device-dax and fs-dax as to when the
flag can be specified. Device-dax users already implicitly assume that they do
not need to call fsync(), and this enables them to explicitly check for this
capability.

Cc: <stable@vger.kernel.org>
Fixes: b6fb293f24 ("mm: Define MAP_SYNC and VM_SYNC flags")
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
History 2018-04-19 15:11:50 -07:00
..
dax-private.h Merge branch 'for-4.12/dax' into libnvdimm-for-next 2017-05-04 23:38:43 -07:00
dax.h pmem: add dax_operations support 2017-04-19 15:14:35 -07:00
device-dax.h device-dax: fix sysfs duplicate warnings 2017-07-18 17:49:14 -07:00
device.c device-dax: allow MAP_SYNC to succeed 2018-04-19 15:11:50 -07:00
Kconfig dax: introduce CONFIG_DAX_DRIVER 2018-04-03 05:41:19 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pmem.c device-dax: use module_nd_driver 2018-03-15 07:18:47 -07:00
super.c dax: store pfns in the radix 2018-03-30 11:34:54 -07:00