From: Bart Van Assche Date: Thu, 17 Aug 2017 20:13:21 +0000 (-0700) Subject: skd: Rework request failing code path X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3d17a679d3514c6727dcf2a9d9f45c709da5352e;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git skd: Rework request failing code path Move the skd_fail_all_pending() call out of skd_request_fn_not_online() such that this function can be reused in the blk-mq code path. Signed-off-by: Bart Van Assche Cc: Christoph Hellwig Cc: Hannes Reinecke Cc: Johannes Thumshirn Signed-off-by: Jens Axboe --- diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c index ff2ea37b8fd3..8040500ba09c 100644 --- a/drivers/block/skd_main.c +++ b/drivers/block/skd_main.c @@ -506,7 +506,10 @@ skd_prep_zerosize_flush_cdb(struct skd_scsi_request *scsi_req, scsi_req->cdb[9] = 0; } -static void skd_request_fn_not_online(struct request_queue *q) +/* + * Return true if and only if all pending requests should be failed. + */ +static bool skd_fail_all(struct request_queue *q) { struct skd_device *skdev = q->queuedata; @@ -530,7 +533,7 @@ static void skd_request_fn_not_online(struct request_queue *q) case SKD_DRVR_STATE_BUSY_IMMINENT: case SKD_DRVR_STATE_BUSY_ERASE: case SKD_DRVR_STATE_DRAINING_TIMEOUT: - return; + return false; case SKD_DRVR_STATE_BUSY_SANITIZE: case SKD_DRVR_STATE_STOPPING: @@ -538,14 +541,8 @@ static void skd_request_fn_not_online(struct request_queue *q) case SKD_DRVR_STATE_FAULT: case SKD_DRVR_STATE_DISAPPEARED: default: - break; + return true; } - - /* If we get here, terminate all pending block requeusts - * with EIO and any scsi pass thru with appropriate sense - */ - - skd_fail_all_pending(skdev); } static void skd_request_fn(struct request_queue *q) @@ -566,7 +563,8 @@ static void skd_request_fn(struct request_queue *q) int flush, fua; if (skdev->state != SKD_DRVR_STATE_ONLINE) { - skd_request_fn_not_online(q); + if (skd_fail_all(q)) + skd_fail_all_pending(skdev); return; }