diff options
| author | Asai Thambi SP <asamymuthupa@micron.com> | 2016-02-24 21:17:32 -0800 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-03-03 09:08:43 -0700 |
| commit | d8a18d2d8f5de55666c6011ed175939d22c8e3d8 (patch) | |
| tree | 8ca92e31714ae60ef6eca2291f9c24168d654c35 | |
| parent | 5b7e0a8ac85e2dfd83830dc9e0b3554d153a37e3 (diff) | |
| download | blackbird-obmc-linux-d8a18d2d8f5de55666c6011ed175939d22c8e3d8.tar.gz blackbird-obmc-linux-d8a18d2d8f5de55666c6011ed175939d22c8e3d8.zip | |
mtip32xx: Avoid issuing standby immediate cmd during FTL rebuild
Prevent standby immediate command from being issued in remove,
suspend and shutdown paths, while drive is in FTL rebuild process.
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>
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@fb.com>
| -rw-r--r-- | drivers/block/mtip32xx/mtip32xx.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 9ae4cc5c61ee..573900c073b8 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -3260,20 +3260,25 @@ out1: return rv; } -static void mtip_standby_drive(struct driver_data *dd) +static int mtip_standby_drive(struct driver_data *dd) { - if (dd->sr) - return; + int rv = 0; + if (dd->sr || !dd->port) + return -ENODEV; /* * Send standby immediate (E0h) to the drive so that it * saves its state. */ if (!test_bit(MTIP_PF_REBUILD_BIT, &dd->port->flags) && - !test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag)) - if (mtip_standby_immediate(dd->port)) + !test_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag) && + !test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag)) { + rv = mtip_standby_immediate(dd->port); + if (rv) dev_warn(&dd->pdev->dev, "STANDBY IMMEDIATE failed\n"); + } + return rv; } /* @@ -3331,8 +3336,7 @@ static int mtip_hw_shutdown(struct driver_data *dd) * Send standby immediate (E0h) to the drive so that it * saves its state. */ - if (!dd->sr && dd->port) - mtip_standby_immediate(dd->port); + mtip_standby_drive(dd); return 0; } @@ -3355,7 +3359,7 @@ static int mtip_hw_suspend(struct driver_data *dd) * Send standby immediate (E0h) to the drive * so that it saves its state. */ - if (mtip_standby_immediate(dd->port) != 0) { + if (mtip_standby_drive(dd) != 0) { dev_err(&dd->pdev->dev, "Failed standby-immediate command\n"); return -EFAULT; |
