commit | 34b80c3d1203abd5fd64242ef25898c7d64166ca | [log] [tgz] |
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author | Darrick J. Wong <djwong@kernel.org> | Fri Sep 17 16:29:49 2021 -0700 |
committer | Darrick J. Wong <djwong@kernel.org> | Thu Sep 23 18:20:32 2021 -0700 |
tree | 3ad06d8c27bed25a08bd3c20eb896d029d18e5b2 | |
parent | 7411eba7d39f53f012f51d6c6304b3901bdcf0fd [diff] |
ext4: implement FALLOC_FL_ZEROINIT_RANGE Implement this new fallocate mode so that persistent memory users can, upon receipt of a pmem poison notification, cause the pmem to be reinitialized to a known value (zero) and clear any hardware poison state that might be lurking. Signed-off-by: Darrick J. Wong <djwong@kernel.org>