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When FIO and debugfs snapshot occur concurrently, some SATA I/Os are failed to return to the upper layer due to the setting of HISI_SAS_REJECT_CMD_BIT. Then the SCSI layer invokes the error processing thread. However, sas_ata_hard_reset() in EH also fails to be reset due to the setting of HISI_SAS_REJECT_CMD_BIT. As a result, the device is disabled. Calling scsi_block_requests() in the front of a debugfs snapshot and wait command complete before setting HISI_SAS_REJECT_CMD_BIT to avoid SATA I/O failures. Signed-off-by: Yihang Li <liyihang9@huawei.com> Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com> Link: https://lore.kernel.org/r/1689045300-44318-3-git-send-email-chenxiang66@hisilicon.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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| .. | ||
| hisi_sas.h | ||
| hisi_sas_main.c | ||
| hisi_sas_v1_hw.c | ||
| hisi_sas_v2_hw.c | ||
| hisi_sas_v3_hw.c | ||
| Kconfig | ||
| Makefile | ||