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Jeff Garzik f281233d3e SCSI host lock push-down ... Move the mid-layer's ->queuecommand() invocation from being locked with the host lock to being unlocked to facilitate speeding up the critical path for drivers who don't need this lock taken anyway. The patch below presents a simple SCSI host lock push-down as an equivalent transformation. No locking or other behavior should change with this patch. All existing bugs and locking orders are preserved. Additionally, add one parameter to queuecommand, struct Scsi_Host * and remove one parameter from queuecommand, void (*done)(struct scsi_cmnd *) Scsi_Host* is a convenient pointer that most host drivers need anyway, and 'done' is redundant to struct scsi_cmnd->scsi_done. Minimal code disturbance was attempted with this change. Most drivers needed only two one-line modifications for their host lock push-down. Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Acked-by: James Bottomley <James.Bottomley@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		14 years ago
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Kconfig.megaraid	…
Makefile	…
mbox_defs.h	tree-wide: fix assorted typos all over the place	15 years ago
mega_common.h	[SCSI] replace __FUNCTION__ with __func__	17 years ago
megaraid_ioctl.h	Convert asm/semaphore.h users to linux/semaphore.h	17 years ago
megaraid_mbox.c	SCSI host lock push-down	14 years ago
megaraid_mbox.h	[SCSI] megaraid_mbox: fix Dell CERC firmware problem	17 years ago
megaraid_mm.c	Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl	14 years ago
megaraid_mm.h	[SCSI] MegaRAID driver management char device moved to misc	17 years ago
megaraid_sas.c	SCSI host lock push-down	14 years ago
megaraid_sas.h	[SCSI] megaraid_sas: Version and documentation update	14 years ago