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[SCSI] Remove ->pid field from scsi_cmnd

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The pid field is a duplicate of the serial_number field and has been
scheduled for removal for a long time.  A few drivers were still using
it, so just change them to use serial_number instead.

Signed-off-by: Matthew Wilcox <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
This commit is contained in:
Matthew Wilcox 2007-09-18 19:54:43 -06:00 • committed by James Bottomley
commit 12a441622b
13 changed files with 153 additions and 171 deletions
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11
include/scsi/scsi_cmnd.h
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@ -39,14 +39,12 @@ struct scsi_cmnd {
* 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 currently doesn't have much use other
* than printk's. Some lldd's use this number for other purposes.
* It's almost certain that such usages are either incorrect or
* meaningless. Please kill all usages other than printk's. Also,
* as this number is always identical to ->pid, please convert
* printk's to use ->pid, so that we can kill this field.
* 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
@ -116,7 +114,6 @@ struct scsi_cmnd {
int result; /* Status code from lower level driver */
unsigned char tag; /* SCSI-II queued command tag */
unsigned long pid; /* Process ID, starts at 0. Unique per host. */
};
extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);

2
include/scsi/scsi_host.h
View file

@ -580,7 +580,7 @@ struct Scsi_Host {
* Used to assign serial numbers to the cmds.
* Protected by the host lock.
*/
unsigned long cmd_serial_number, cmd_pid;
unsigned long cmd_serial_number;
unsigned active_mode:2;
unsigned unchecked_isa_dma:1;