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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-09 22:42:25 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-09 22:42:25 -0500
commit382f51fe2f2276344d8a21447656778cdf6583b6 (patch)
treec2836a2cca4126c9c026ce5aa2fdf9f1c8ccded6 /include/scsi/scsi_device.h
parent701791cc3c8fc6dd83f6ec8af7e2541b4a316606 (diff)
parent54987386ee3790f3900de4df2ed4deb0e18dfc9f (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (222 commits) [SCSI] zfcp: Remove flag ZFCP_STATUS_FSFREQ_TMFUNCNOTSUPP [SCSI] zfcp: Activate fc4s attributes for zfcp in FC transport class [SCSI] zfcp: Block scsi_eh thread for rport state BLOCKED [SCSI] zfcp: Update FSF error reporting [SCSI] zfcp: Improve ELS ADISC handling [SCSI] zfcp: Simplify handling of ct and els requests [SCSI] zfcp: Remove ZFCP_DID_MASK [SCSI] zfcp: Move WKA port to zfcp FC code [SCSI] zfcp: Use common code definitions for FC CT structs [SCSI] zfcp: Use common code definitions for FC ELS structs [SCSI] zfcp: Update FCP protocol related code [SCSI] zfcp: Dont fail SCSI commands when transitioning to blocked fc_rport [SCSI] zfcp: Assign scheduled work to driver queue [SCSI] zfcp: Remove STATUS_COMMON_REMOVE flag as it is not required anymore [SCSI] zfcp: Implement module unloading [SCSI] zfcp: Merge trace code for fsf requests in one function [SCSI] zfcp: Access ports and units with container_of in sysfs code [SCSI] zfcp: Remove suspend callback [SCSI] zfcp: Remove global config_mutex [SCSI] zfcp: Replace local reference counting with common kref ...
Diffstat (limited to 'include/scsi/scsi_device.h')
-rw-r--r--include/scsi/scsi_device.h12
1 files changed, 8 insertions, 4 deletions
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index f097ae340bc1..7c4449900c24 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -81,11 +81,14 @@ struct scsi_device {
81 struct list_head starved_entry; 81 struct list_head starved_entry;
82 struct scsi_cmnd *current_cmnd; /* currently active command */ 82 struct scsi_cmnd *current_cmnd; /* currently active command */
83 unsigned short queue_depth; /* How deep of a queue we want */ 83 unsigned short queue_depth; /* How deep of a queue we want */
84 unsigned short max_queue_depth; /* max queue depth */
84 unsigned short last_queue_full_depth; /* These two are used by */ 85 unsigned short last_queue_full_depth; /* These two are used by */
85 unsigned short last_queue_full_count; /* scsi_track_queue_full() */ 86 unsigned short last_queue_full_count; /* scsi_track_queue_full() */
86 unsigned long last_queue_full_time;/* don't let QUEUE_FULLs on the same 87 unsigned long last_queue_full_time; /* last queue full time */
87 jiffie count on our counter, they 88 unsigned long queue_ramp_up_period; /* ramp up period in jiffies */
88 could all be from the same event. */ 89#define SCSI_DEFAULT_RAMP_UP_PERIOD (120 * HZ)
90
91 unsigned long last_queue_ramp_up; /* last queue ramp up time */
89 92
90 unsigned int id, lun, channel; 93 unsigned int id, lun, channel;
91 94
@@ -175,6 +178,7 @@ struct scsi_dh_devlist {
175 char *model; 178 char *model;
176}; 179};
177 180
181typedef void (*activate_complete)(void *, int);
178struct scsi_device_handler { 182struct scsi_device_handler {
179 /* Used by the infrastructure */ 183 /* Used by the infrastructure */
180 struct list_head list; /* list of scsi_device_handlers */ 184 struct list_head list; /* list of scsi_device_handlers */
@@ -186,7 +190,7 @@ struct scsi_device_handler {
186 int (*check_sense)(struct scsi_device *, struct scsi_sense_hdr *); 190 int (*check_sense)(struct scsi_device *, struct scsi_sense_hdr *);
187 int (*attach)(struct scsi_device *); 191 int (*attach)(struct scsi_device *);
188 void (*detach)(struct scsi_device *); 192 void (*detach)(struct scsi_device *);
189 int (*activate)(struct scsi_device *); 193 int (*activate)(struct scsi_device *, activate_complete, void *);
190 int (*prep_fn)(struct scsi_device *, struct request *); 194 int (*prep_fn)(struct scsi_device *, struct request *);
191 int (*set_params)(struct scsi_device *, const char *); 195 int (*set_params)(struct scsi_device *, const char *);
192}; 196};