Add support for birthtime #8508
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ZFS has had support for file birth times since the beginning and calls it crtime internally. Linux originally only supported birth time via an ext4 specific hack, but since Linux 4.11, the statx syscall has supported it, so we are free to expose it. Signed-off-by: Richard Yao <[email protected]> Closes openzfs#8507
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This has been superseded by #8509. |
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@rlaager and others wanted btime support, so I threw this together. I am relying on the buildbot and those who want it to do testing. At present, you can do
zdb -dddd $DATASET $OBJSETIDto view this information. With this, we should in theory be able to view it on Linux 4.11 or later, with glibc 2.28 or later and the latest coreutils as of two weeks ago from what I am told. This has yet to be verified, so I will rely on those who want it to test that.