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Document Intel RST support just added

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Warner Losh 2019-08-22 02:53:46 +00:00
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@ -15,6 +15,14 @@ r351361:
corresponding lockstat(1) events, and document the new probes in
dtrace_lockstat.4.
r351356:
Intel RST is a new 'feature' that remaps NVMe devices from
their normal location to part of the AHCI bar space. This
will eliminate the need to set the BIOS SATA setting from RST
to AHCI causing the nvme drive to be erased before FreeBSD
will see the nvme drive. FreeBSD will now be able to see the
nvme drive now in the default config.
r351201, r351372:
Add a vop_stdioctl() call, so that file systems that do not support
holes will have a trivial implementation of lseek(SEEK_DATA/SEEK_HOLE).