Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/include/scsi/scsi_tcq.h
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SCSI_SCSI_TCQ_H #define _SCSI_SCSI_TCQ_H #include <linux/blkdev.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_device.h> #include <scsi/scsi_host.h> #define SCSI_NO_TAG (-1) /* identify no tag in use */ #ifdef CONFIG_BLOCK /** * scsi_host_find_tag - find the tagged command by host * @shost: pointer to scsi_host * @tag: tag * * Note: for devices using multiple hardware queues tag must have been * generated by blk_mq_unique_tag(). **/ static inline struct scsi_cmnd *scsi_host_find_tag(struct Scsi_Host *shost, int tag) { struct request *req = NULL; u16 hwq; if (tag == SCSI_NO_TAG) return NULL; hwq = blk_mq_unique_tag_to_hwq(tag); if (hwq < shost->tag_set.nr_hw_queues) { req = blk_mq_tag_to_rq(shost->tag_set.tags[hwq], blk_mq_unique_tag_to_tag(tag)); } if (!req) return NULL; return blk_mq_rq_to_pdu(req); } #endif /* CONFIG_BLOCK */ #endif /* _SCSI_SCSI_TCQ_H */
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