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scsi: target: Add tmr_notify backend function
Target core is modified to call an optional backend callback function if a TMR is received or commands are aborted implicitly after a PR command was received. The backend function takes as parameters the se_dev, the type of the TMR, and the list of aborted commands. If no commands were aborted, an empty list is supplied. Link: https://lore.kernel.org/r/20200726153510.13077-3-bstroesser@ts.fujitsu.com Reviewed-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Bodo Stroesser <bstroesser@ts.fujitsu.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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4 changed files with 19 additions and 1 deletions
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@ -40,6 +40,8 @@ struct target_backend_ops {
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ssize_t (*show_configfs_dev_params)(struct se_device *, char *);
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sense_reason_t (*parse_cdb)(struct se_cmd *cmd);
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void (*tmr_notify)(struct se_device *se_dev, enum tcm_tmreq_table,
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struct list_head *aborted_cmds);
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u32 (*get_device_type)(struct se_device *);
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sector_t (*get_blocks)(struct se_device *);
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sector_t (*get_alignment_offset_lbas)(struct se_device *);
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