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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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6f5391c283
The ULD ->done callback moves into the scsi_driver. By moving the call to scsi_io_completion() from scsi_blk_pc_done() to scsi_finish_command(), we can eliminate the latter entirely. By returning 'good_bytes' from the ->done callback (rather than invoking scsi_io_completion()), we can stop exporting scsi_io_completion(). Also move the prototypes from sd.h to sd.c as they're all internal anyway. Rename sd_rw_intr to sd_done and rw_intr to sr_done. Inspired-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
37 lines
995 B
C
37 lines
995 B
C
#ifndef _SCSI_SCSI_DRIVER_H
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#define _SCSI_SCSI_DRIVER_H
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#include <linux/device.h>
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struct module;
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struct scsi_cmnd;
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struct scsi_device;
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struct request;
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struct request_queue;
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struct scsi_driver {
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struct module *owner;
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struct device_driver gendrv;
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void (*rescan)(struct device *);
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int (*done)(struct scsi_cmnd *);
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};
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#define to_scsi_driver(drv) \
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container_of((drv), struct scsi_driver, gendrv)
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extern int scsi_register_driver(struct device_driver *);
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#define scsi_unregister_driver(drv) \
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driver_unregister(drv);
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extern int scsi_register_interface(struct class_interface *);
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#define scsi_unregister_interface(intf) \
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class_interface_unregister(intf)
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int scsi_setup_blk_pc_cmnd(struct scsi_device *sdev, struct request *req);
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int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req);
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int scsi_prep_state_check(struct scsi_device *sdev, struct request *req);
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int scsi_prep_return(struct request_queue *q, struct request *req, int ret);
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#endif /* _SCSI_SCSI_DRIVER_H */
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