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ef84230223
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:
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.. | ||
dax-private.h | ||
dax.h | ||
device-dax.h | ||
device.c | ||
Kconfig | ||
Makefile | ||
pmem.c | ||
super.c |