Messages in this thread | | | Subject | Re: [PATCH v4] scsi: support packing multi-segment in UNMAP command | From | "Martin K. Petersen" <> | Date | Thu, 16 Jun 2022 22:01:59 -0400 |
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Chao,
> As SCSI SBC4 specification section 5.30.2 describes that it can > support unmapping one or more LBA range in single UNMAP command. > > However, previously we only pack one LBA range in UNMAP command by > default no matter device gives the block limits that says it can > support unmapping multiple LBA ranges with a single UNMAP command. > > This patch sets max_discard_segments config according to block limits > of device, and supports unmapping multiple LBA ranges with a single > UNMAP command.
This looks OK to me. Will test with a variety of targets.
-- Martin K. Petersen Oracle Linux Engineering
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