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author | 2018-02-28 15:59:59 -0500 | |
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committer | 2018-04-03 15:04:10 -0400 | |
commit | 1eb5fa849f2bf9186a618e85bea23f02e527540a (patch) | |
tree | b0f5e85395f06f86e7db283155c5f73a5b942c8b /tools/perf/util/llvm-utils.c | |
parent | dm: fix dropped return code from dm_get_bdev_for_ioctl (diff) | |
download | wireguard-linux-1eb5fa849f2bf9186a618e85bea23f02e527540a.tar.xz wireguard-linux-1eb5fa849f2bf9186a618e85bea23f02e527540a.zip |
dm: allow targets to return output from messages they are sent
Could be useful for a target to return stats or other information.
If a target does DMEMIT() anything to @result from its .message method
then it must return 1 to the caller.
Signed-off-By: Mike Snitzer <snitzer@redhat.com>
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