diff options
| author | Asai Thambi SP <asamymuthupa@micron.com> | 2016-02-24 21:18:20 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-12 09:08:51 -0700 |
| commit | f75d029f84a7c85a0d0875506c823ba50b10b3a1 (patch) | |
| tree | 0cab6982d96d4ea3f18d75927af816b31ee72697 /drivers/block | |
| parent | e2e6e22464ac6fb53e60d74ddf02fb829959ab9c (diff) | |
mtip32xx: Handle FTL rebuild failure state during device initialization
commit aae4a033868c496adae86fc6f9c3e0c405bbf360 upstream.
Allow device initialization to finish gracefully when it is in
FTL rebuild failure state. Also, recover device out of this state
after successfully secure erasing it.
Signed-off-by: Selvan Mani <smani@micron.com>
Signed-off-by: Vignesh Gunasekaran <vgunasekaran@micron.com>
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/mtip32xx/mtip32xx.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index cda3efecab8d..6bec93997948 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -699,7 +699,7 @@ static void mtip_handle_tfe(struct driver_data *dd) fail_reason = "thermal shutdown"; } if (buf[288] == 0xBF) { - set_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag); + set_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag); dev_info(&dd->pdev->dev, "Drive indicates rebuild has failed. Secure erase required.\n"); fail_all_ncq_cmds = 1; @@ -1000,6 +1000,7 @@ static bool mtip_pause_ncq(struct mtip_port *port, (fis->features == 0x27 || fis->features == 0x72 || fis->features == 0x62 || fis->features == 0x26))) { clear_bit(MTIP_DDF_SEC_LOCK_BIT, &port->dd->dd_flag); + clear_bit(MTIP_DDF_REBUILD_FAILED_BIT, &port->dd->dd_flag); /* Com reset after secure erase or lowlevel format */ mtip_restart_port(port); clear_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags); @@ -1166,6 +1167,7 @@ static int mtip_exec_internal_command(struct mtip_port *port, if ((rv = wait_for_completion_interruptible_timeout( &wait, msecs_to_jiffies(timeout))) <= 0) { + if (rv == -ERESTARTSYS) { /* interrupted */ dev_err(&dd->pdev->dev, "Internal command [%02X] was interrupted after %u ms\n", @@ -3091,7 +3093,7 @@ static int mtip_hw_get_identify(struct driver_data *dd) if (buf[288] == 0xBF) { dev_info(&dd->pdev->dev, "Drive indicates rebuild has failed.\n"); - /* TODO */ + set_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag); } } @@ -3694,10 +3696,9 @@ static int mtip_submit_request(struct blk_mq_hw_ctx *hctx, struct request *rq) rq_data_dir(rq))) { return -ENODATA; } - if (unlikely(test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag))) + if (unlikely(test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag) || + test_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag))) return -ENODATA; - if (test_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag)) - return -ENXIO; } if (rq->cmd_flags & REQ_DISCARD) { |