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authorHuaisheng Ye <yehs1@lenovo.com>2018-07-30 15:15:48 +0800
committerDave Jiang <dave.jiang@intel.com>2018-07-30 09:40:42 -0700
commit86ed913b0e826da56aa780a3f5cfbbb02ed674a8 (patch)
treeb8cc8e661e7aaefacd299fc92819ab5a3c4b81bc /tools/testing/ktest/compare-ktest-sample.pl
parentmd/dm-writecache: Don't request pointer dummy_addr when not required (diff)
downloadlinux-dev-86ed913b0e826da56aa780a3f5cfbbb02ed674a8.tar.xz
linux-dev-86ed913b0e826da56aa780a3f5cfbbb02ed674a8.zip
filesystem-dax: Do not request kaddr and pfn when not required
Some functions within fs/dax don't need to get local pointer kaddr or variable pfn from direct_access. Using NULL instead of having to pass in useless pointer or variable that caller then just throw away. Signed-off-by: Huaisheng Ye <yehs1@lenovo.com> Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
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