Messages in this thread | | | Subject | Re: [PATCH] scsi: iscsi_tcp: set BDI_CAP_STABLE_WRITES when data digest enabled | From | "Martin K. Petersen" <> | Date | Thu, 15 Mar 2018 00:11:45 -0400 |
| |
> iscsi tcp will first send out data, then calculate and send data > digest. If we don't have BDI_CAP_STABLE_WRITES, the page cache will > be written in spite of the on going writeback. Consequently, wrong > digest will be got and sent to target. > > To fix this, set BDI_CAP_STABLE_WRITES when data digest is enabled > in iscsi_tcp .slave_configure callback.
Lee, Chris: Please review!
-- Martin K. Petersen Oracle Linux Engineering
| |