diff options
author | Ingo Molnar <mingo@elte.hu> | 2010-12-23 09:48:41 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2010-12-23 09:48:41 +0100 |
commit | 26e20a108caca6231c6a5ec659f815a866904751 (patch) | |
tree | 36932c208a9e8994bfd7ed4eaf48b9c33f71fbe3 /include/scsi/scsi_host.h | |
parent | 691513f70d3957939a318da970987b876c720861 (diff) | |
parent | 90a8a73c06cc32b609a880d48449d7083327e11a (diff) |
Merge commit 'v2.6.37-rc7' into x86/security
Diffstat (limited to 'include/scsi/scsi_host.h')
-rw-r--r-- | include/scsi/scsi_host.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index d0a6a845f20..e7e385842a3 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -127,8 +127,7 @@ struct scsi_host_template { * * STATUS: REQUIRED */ - int (* queuecommand)(struct scsi_cmnd *, - void (*done)(struct scsi_cmnd *)); + int (* queuecommand)(struct Scsi_Host *, struct scsi_cmnd *); /* * The transfer functions are used to queue a scsi command to @@ -505,6 +504,25 @@ struct scsi_host_template { }; /* + * Temporary #define for host lock push down. Can be removed when all + * drivers have been updated to take advantage of unlocked + * queuecommand. + * + */ +#define DEF_SCSI_QCMD(func_name) \ + int func_name(struct Scsi_Host *shost, struct scsi_cmnd *cmd) \ + { \ + 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; \ + } + + +/* * shost state: If you alter this, you also need to alter scsi_sysfs.c * (for the ascii descriptions) and the state model enforcer: * scsi_host_set_state() @@ -752,6 +770,7 @@ extern struct Scsi_Host *scsi_host_get(struct Scsi_Host *); 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 *); extern u64 scsi_calculate_bounce_limit(struct Scsi_Host *); |