diff options
author | Hannes Reinecke <hare@suse.com> | 2019-02-26 15:56:42 +0100 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-02-27 09:19:24 -0500 |
commit | b9cef50921eb018917e3c60b0c7f4ae1e113ad03 (patch) | |
tree | ddbfc2c3aa4230e7824578a363da1de3e2e0f477 | |
parent | f50e76052321cc49f9d49fe444c3d3806f223dc3 (diff) | |
download | linux-b9cef50921eb018917e3c60b0c7f4ae1e113ad03.tar.bz2 |
scsi: kill command serial number
No users left, kill it.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r-- | drivers/scsi/scsi.c | 16 | ||||
-rw-r--r-- | drivers/scsi/scsi_lib.c | 1 | ||||
-rw-r--r-- | include/scsi/scsi_cmnd.h | 10 | ||||
-rw-r--r-- | include/scsi/scsi_host.h | 8 |
4 files changed, 0 insertions, 35 deletions
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 7675ff0ca2ea..99a7b9f520ae 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -175,22 +175,6 @@ void scsi_log_completion(struct scsi_cmnd *cmd, int disposition) #endif /** - * scsi_cmd_get_serial - Assign a serial number to a command - * @host: the scsi host - * @cmd: command to assign serial number to - * - * Description: a serial number identifies a request for error recovery - * and debugging purposes. Protected by the Host_Lock of host. - */ -void scsi_cmd_get_serial(struct Scsi_Host *host, struct scsi_cmnd *cmd) -{ - cmd->serial_number = host->cmd_serial_number++; - if (cmd->serial_number == 0) - cmd->serial_number = host->cmd_serial_number++; -} -EXPORT_SYMBOL(scsi_cmd_get_serial); - -/** * scsi_finish_command - cleanup and pass command back to upper layer * @cmd: the command * diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index c77cb0d31dbc..95466a5bf6d6 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -316,7 +316,6 @@ EXPORT_SYMBOL(__scsi_execute); */ static void scsi_init_cmd_errh(struct scsi_cmnd *cmd) { - cmd->serial_number = 0; scsi_set_resid(cmd, 0); memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); if (cmd->cmd_len == 0) diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 6c7793c2ad01..76ed5e4acd38 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -75,16 +75,6 @@ struct scsi_cmnd { int eh_eflags; /* Used by error handlr */ /* - * A SCSI Command is assigned a nonzero serial_number before passed - * to the driver's queue command function. The serial_number is - * cleared when scsi_done is entered indicating that the command - * has been completed. It is a bug for LLDDs to use this number - * for purposes other than printk (and even that is only useful - * for debugging). - */ - unsigned long serial_number; - - /* * This is set to jiffies as it was when the command was first * allocated. It is used to time how long the command has * been outstanding diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index dbbdfbdb1a04..2b539a1b3f62 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -486,7 +486,6 @@ struct scsi_host_template { unsigned long irq_flags; \ int rc; \ spin_lock_irqsave(shost->host_lock, irq_flags); \ - scsi_cmd_get_serial(shost, cmd); \ rc = func_name##_lck (cmd, cmd->scsi_done); \ spin_unlock_irqrestore(shost->host_lock, irq_flags); \ return rc; \ @@ -596,12 +595,6 @@ struct Scsi_Host { * is nr_hw_queues * can_queue. */ unsigned nr_hw_queues; - /* - * Used to assign serial numbers to the cmds. - * Protected by the host lock. - */ - unsigned long cmd_serial_number; - unsigned active_mode:2; unsigned unchecked_isa_dma:1; @@ -738,7 +731,6 @@ extern int scsi_host_busy(struct Scsi_Host *shost); extern void scsi_host_put(struct Scsi_Host *t); extern struct Scsi_Host *scsi_host_lookup(unsigned short); extern const char *scsi_host_state_name(enum scsi_host_state); -extern void scsi_cmd_get_serial(struct Scsi_Host *, struct scsi_cmnd *); static inline int __must_check scsi_add_host(struct Scsi_Host *host, struct device *dev) |