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| author | Matthew Wilcox <matthew@wil.cx> | 2007-09-25 12:42:04 -0400 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.localdomain> | 2007-10-12 14:52:46 -0400 |
| commit | 6f5391c283d7fdcf24bf40786ea79061919d1e1d (patch) | |
| tree | 32ee9abddf9879445792019e1c03bcd28ce6bd4f /include/scsi | |
| parent | 687d2bc4877081a44c41b5b312e012cc69edda53 (diff) | |
| download | lwn-6f5391c283d7fdcf24bf40786ea79061919d1e1d.tar.gz lwn-6f5391c283d7fdcf24bf40786ea79061919d1e1d.zip | |
[SCSI] Get rid of scsi_cmnd->done
The ULD ->done callback moves into the scsi_driver. By moving the call
to scsi_io_completion() from scsi_blk_pc_done() to scsi_finish_command(),
we can eliminate the latter entirely. By returning 'good_bytes' from
the ->done callback (rather than invoking scsi_io_completion()), we can
stop exporting scsi_io_completion().
Also move the prototypes from sd.h to sd.c as they're all internal anyway.
Rename sd_rw_intr to sd_done and rw_intr to sr_done.
Inspired-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'include/scsi')
| -rw-r--r-- | include/scsi/scsi_cmnd.h | 2 | ||||
| -rw-r--r-- | include/scsi/scsi_driver.h | 1 | ||||
| -rw-r--r-- | include/scsi/sd.h | 13 |
3 files changed, 1 insertions, 15 deletions
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 4fddef727467..65ab5145a09b 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -33,7 +33,6 @@ struct scsi_cmnd { struct list_head list; /* scsi_cmnd participates in queue lists */ struct list_head eh_entry; /* entry for the host eh_cmd_q */ int eh_eflags; /* Used by error handlr */ - void (*done) (struct scsi_cmnd *); /* Mid-level done function */ /* * A SCSI Command is assigned a nonzero serial_number before passed @@ -121,7 +120,6 @@ extern struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *, gfp_t); extern void scsi_put_command(struct scsi_cmnd *); extern void __scsi_put_command(struct Scsi_Host *, struct scsi_cmnd *, struct device *); -extern void scsi_io_completion(struct scsi_cmnd *, unsigned int); extern void scsi_finish_command(struct scsi_cmnd *cmd); extern void scsi_req_abort_cmd(struct scsi_cmnd *cmd); diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h index 56a304709fde..1f5ca7f62116 100644 --- a/include/scsi/scsi_driver.h +++ b/include/scsi/scsi_driver.h @@ -15,6 +15,7 @@ struct scsi_driver { struct device_driver gendrv; void (*rescan)(struct device *); + int (*done)(struct scsi_cmnd *); }; #define to_scsi_driver(drv) \ container_of((drv), struct scsi_driver, gendrv) diff --git a/include/scsi/sd.h b/include/scsi/sd.h index aa1e71613010..f7513313ef0d 100644 --- a/include/scsi/sd.h +++ b/include/scsi/sd.h @@ -47,19 +47,6 @@ struct scsi_disk { }; #define to_scsi_disk(obj) container_of(obj,struct scsi_disk,cdev) -static int sd_revalidate_disk(struct gendisk *disk); -static void sd_rw_intr(struct scsi_cmnd * SCpnt); -static int sd_probe(struct device *); -static int sd_remove(struct device *); -static void sd_shutdown(struct device *dev); -static int sd_suspend(struct device *dev, pm_message_t state); -static int sd_resume(struct device *dev); -static void sd_rescan(struct device *); -static void sd_read_capacity(struct scsi_disk *sdkp, unsigned char *buffer); -static void scsi_disk_release(struct class_device *cdev); -static void sd_print_sense_hdr(struct scsi_disk *, struct scsi_sense_hdr *); -static void sd_print_result(struct scsi_disk *, int); - #define sd_printk(prefix, sdsk, fmt, a...) \ (sdsk)->disk ? \ sdev_printk(prefix, (sdsk)->device, "[%s] " fmt, \ |