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mmc: block: blk-mq: Add support for direct completion

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For blk-mq, add support for completing requests directly in the ->done
callback. That means that error handling and urgent background operations
must be handled by recovery_work in that case.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Adrian Hunter 2017-11-29 15:41:07 +02:00 • committed by Ulf Hansson
parent 8ee82bda23
commit 10f21df4a2
6 changed files with 116 additions and 26 deletions
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1
include/linux/mmc/host.h
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@ -324,6 +324,7 @@ struct mmc_host {
#define MMC_CAP_DRIVER_TYPE_A (1 << 23) /* Host supports Driver Type A */
#define MMC_CAP_DRIVER_TYPE_C (1 << 24) /* Host supports Driver Type C */
#define MMC_CAP_DRIVER_TYPE_D (1 << 25) /* Host supports Driver Type D */
#define MMC_CAP_DONE_COMPLETE (1 << 27) /* RW reqs can be completed within mmc_request_done() */
#define MMC_CAP_CD_WAKE (1 << 28) /* Enable card detect wake */
#define MMC_CAP_CMD_DURING_TFR (1 << 29) /* Commands during data transfer */
#define MMC_CAP_CMD23 (1 << 30) /* CMD23 supported. */