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2006-11-15[SCSI] untangle scsi_prep_fnChristoph Hellwig
I wanted to add some BUG checks to scsi_prep_fn to make sure no one sends us a non-sg command, but this function is a horrible mess. So I decided to detangle the function and document what the valid cases are. While doing that I found that REQ_TYPE_SPECIAL commands aren't used by the SCSI layer anymore and we can get rid of the code handling them. The new structure of scsi_prep_fn is: (1) check if we're allowed to send this command (2) big switch on cmd_type. For the two valid types call into a function to set the command up, else error (3) code to handle error cases Because FS and BLOCK_PC commands are handled entirely separate after the patch this introduces a tiny amount of code duplication. This improves readabiulity though and will help to avoid the bidi command overhead for FS commands so it's a good thing. I've tested this on both sata and mptsas. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-11-15[SCSI] use one-element sg list in scsi_send_eh_cmndChristoph Hellwig
scsi_send_eh_cmnd is the last user of non-sg commands currently. This patch switches it to a one-element SG list. Also updates the kerneldoc comment for scsi_send_eh_cmnd to reflect reality while we're at it. Test on my mptsas card, but this should get testing with as many drivers as possible. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-11-15[SCSI] aic94xx: handle REQ_TASK_ABORTDarrick J. Wong
This patch straightens out the code that distinguishes the various escb opcodes in escb_tasklet_complete so that they can be handled correctly. It also provides all the necessary code to create a workqueue item that tells libsas to abort a sas_task. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-11-15[SCSI] libsas: add sas_abort_taskDarrick J. Wong
This patch adds an external function, sas_abort_task, to enable LLDDs to abort sas_tasks. It also adds a work_struct so that the actual work of aborting a task can be shifted from tasklet context (in the LLDD) onto the scsi_host's workqueue. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-11-15[SCSI] libsas: modify error handler to use scsi_eh_* functionsDarrick J. Wong
This patch adds an EH done queue to sas_ha, converts the error handling strategy function and the sas_scsi_task_done functions in libsas to use the scsi_eh_* commands for error'd commands, and adds checks for the INITIATOR_ABORTED flag so that we do the right thing if a sas_task has been aborted by the initiator. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-11-15[SCSI] Reduce polling in sd.cAlan Stern
If a drive reports that no media is present, there's no point in continuing to ask it about media status. This patch (as696) cuts the TUR polling short as soon as the drive reports no media instead of going a full 3 iterations. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-10-11[SCSI] Add ability to scan scsi busses asynchronouslyMatthew Wilcox
Since it often takes around 20-30 seconds to scan a scsi bus, it's highly advantageous to do this in parallel with other things. The bulk of this patch is ensuring that devices don't change numbering, and that all devices are discovered prior to trying to start init. For those who build SCSI as modules, there's a new scsi_wait_scan module that will ensure all bus scans are finished. This patch only handles drivers which call scsi_scan_host. Fibre Channel, SAS, SATA, USB and Firewire all need additional work. Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-10-10ACPI: Allow setting SCI_EN bit in PM1_CONTROL registerLinus Torvalds
This is needed by at least the Mac Mini's, which (incorrectly) come back from suspend with SCI_EN clear. Thanks to Frédéric Riss for hunting this down. Acked-by: Frédéric Riss <frederic.riss@gmail.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Len Brown <len.brown@intel.com> Cc: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] firmware/dcdbas: fix bug in error cleanupJeff Garzik
The error path path mistakenly called sysfs_create_group() rather than sysfs_remove_group(). They take the same arguments, so it's easy to cut-n-paste such a bug. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] irda: donauboe fixes, cleanupsJeff Garzik
- fix: toshoboe_invalid_dev() was recently removed, but not all callers were updated, causing the obvious linker error. Remove caller, because the check (like the one removed) isn't used. - fix: propagate request_irq() return value - cleanup: remove void* casts - cleanup: remove impossible ASSERTs Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Fix windfarm platform device usage [POWERPC] Fix i2c-powermac platform device usage [POWERPC] Fix secondary CPU startup on old "powersurge" SMP powermacs [POWERPC] ARCH=ppc pt_regs fixes [POWERPC] Update maple defconfig [POWERPC] Fix Maple secondary IDE interrupt [POWERPC] Make U4 PCIe work on maple [POWERPC] cell: fix default zImage build target [POWERPC] Fix boot wrapper invocation if CROSS_COMPILE contains spaces [POWERPC] Fix xmon IRQ handler for pt_regs removal
2006-10-10[PATCH] endianness annotations in s2ioAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] ufs endianness annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] fs/partitions endianness annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] Finish annotations of struct vlan_ethhdrAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] isofs endianness annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] smbfs endianness annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] hpfs endianness annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] fs/fat endianness annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] befs: endianness annotationsAl Viro
split the data structures that exist in host- and disk-endian variants, annotate the fields of disk-endian ones, propagate changes. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] befs: missing fs32_to_cpu() in debug.cAl Viro
inode->mode is disk-endian Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] befs: introduce on-disk endian typesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] befs: prepare to sanitizing headersAl Viro
pulled includes of endian.h from fs/befs/*.c to befs.h Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] befs: remove bogus typedefAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] chelsio: add endian annotationsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] serpent: fix endian warningsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] cdrom: add endianness annotationsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] use %p for pointersAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] use %zu for size_tAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] missed const in prototypeAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] net/sunrpc/auth_gss/svcauth_gss.c endianness regressionAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] strndup() would better take size_t, not intAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] ptrdiff_t is %t, not %zAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] cpuset ANSI prototypeAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Paul Jackson <pj@sgi.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] fs/inode.c NULL noise removalAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] em28xx NULL noise removalAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] __user annotations: loop.cAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] openprom NULL noise removalAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] trivial iomem annotations: sata_promiseAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] gfp annotations: radix_tree_rootAl Viro
struct radix_tree_root has unused upper bits of ->gfp_mask reused for tags bitmap. Annotated. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] gfp annotations: scsi_errorAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] ptrace32 trivial __user annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] trivial iomem annotations: istallionAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] acpi NULL noise removalAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] passing pointer to setup_timer() should be via unsigned longAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] make kernel/relay.c __user-cleanAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] fix misannotation in ioc4.hAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] mtd: remove several bogus casts to void * in iounmap() argumentAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] ia64/sn __iomem annotationsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-10[PATCH] ia64/hp NULL noise removalAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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