Re: [PATCH 04/10] [SG] Update drivers to use sg helpers

!MAILaRCHIVE_VOTE_RePLACE
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To: Jens Axboe <jens.axboe@...>
Cc: <torvalds@...>, <linux-kernel@...>, <mingo@...>, Christoph Schmitt <schmichr@...>, Swen Schillig <swen@...>, Martin Schwidefsky <schwidefsky@...>, <linux-s390@...>
Date: Tuesday, October 23, 2007 - 2:28 am

On Mon, Oct 22, 2007 at 08:10:58PM +0200, Jens Axboe wrote:

You forgot s390's zfcp driver. But unfortunately the trivial fix below
doesn't work. No more I/O possible. Swen and/or Christof could you
provide a correct fix for this please? Thanks!

---
 drivers/s390/scsi/zfcp_def.h |    4 ++--
 drivers/s390/scsi/zfcp_erp.c |    4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

Index: linux-2.6/drivers/s390/scsi/zfcp_def.h
===================================================================
--- linux-2.6.orig/drivers/s390/scsi/zfcp_def.h
+++ linux-2.6/drivers/s390/scsi/zfcp_def.h
@@ -63,7 +63,7 @@
 static inline void *
 zfcp_sg_to_address(struct scatterlist *list)
 {
-	return (void *) (page_address(list->page) + list->offset);
+	return (void *) (page_address(sg_page(list) + list->offset));
 }
 
 /**
@@ -74,7 +74,7 @@ zfcp_sg_to_address(struct scatterlist *l
 static inline void
 zfcp_address_to_sg(void *address, struct scatterlist *list)
 {
-	list->page = virt_to_page(address);
+	sg_set_page(list, virt_to_page(address));
 	list->offset = ((unsigned long) address) & (PAGE_SIZE - 1);
 }
 
Index: linux-2.6/drivers/s390/scsi/zfcp_erp.c
===================================================================
--- linux-2.6.orig/drivers/s390/scsi/zfcp_erp.c
+++ linux-2.6/drivers/s390/scsi/zfcp_erp.c
@@ -363,7 +363,7 @@ zfcp_erp_adisc(struct zfcp_port *port)
 	retval = -ENOMEM;
  freemem:
 	if (address != NULL)
-		__free_pages(send_els->req->page, 0);
+		__free_pages(sg_page(send_els->req), 0);
 	if (send_els != NULL) {
 		kfree(send_els->req);
 		kfree(send_els->resp);
@@ -437,7 +437,7 @@ zfcp_erp_adisc_handler(unsigned long dat
 
  out:
 	zfcp_port_put(port);
-	__free_pages(send_els->req->page, 0);
+	__free_pages(sg_page(send_els->req), 0);
 	kfree(send_els->req);
 	kfree(send_els->resp);
 	kfree(send_els);
-
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Messages in current thread:
[PATCH 00/10] SG updates, Jens Axboe, (Mon Oct 22, 2:10 pm)
[PATCH][SG] fix typo in ps3rom.c, Arnd Bergmann, (Tue Oct 23, 10:48 am)
[PATCH 08/10] [SG] Update arch/ to use sg helpers, Jens Axboe, (Mon Oct 22, 2:11 pm)
Re: [PATCH 08/10] [SG] Update arch/ to use sg helpers, Benny Halevy, (Mon Oct 22, 5:10 pm)
[PATCH 07/10] [SG] Update swiotlb to use sg helpers, Jens Axboe, (Mon Oct 22, 2:11 pm)
[PATCH 06/10] [SG] Update net/ to use sg helpers, Jens Axboe, (Mon Oct 22, 2:11 pm)
Re: [PATCH 06/10] [SG] Update net/ to use sg helpers, Christian Borntraeger, (Tue Oct 23, 6:44 am)
Re: [PATCH 06/10] [SG] Update net/ to use sg helpers, Jens Axboe, (Tue Oct 23, 6:45 am)
[PATCH 05/10] [SG] Update fs/ to use sg helpers, Jens Axboe, (Mon Oct 22, 2:10 pm)
[PATCH 04/10] [SG] Update drivers to use sg helpers, Jens Axboe, (Mon Oct 22, 2:10 pm)
Re: [PATCH 04/10] [SG] Update drivers to use sg helpers, Heiko Carstens, (Tue Oct 23, 2:28 am)
Re: [PATCH 04/10] [SG] Update drivers to use sg helpers, Heiko Carstens, (Tue Oct 23, 3:16 am)
[PATCH 03/10] [SG] Update crypto/ to sg helpers, Jens Axboe, (Mon Oct 22, 2:10 pm)
[PATCH] fix ll_rw_blk.c build on s390, Heiko Carstens, (Tue Oct 23, 1:42 am)
[PATCH 10/10] Add CONFIG_DEBUG_SG sg validation, Jens Axboe, (Mon Oct 22, 2:11 pm)
[PATCH 09/10] Change table chaining layout, Jens Axboe, (Mon Oct 22, 2:11 pm)
Re: [PATCH 09/10] Change table chaining layout, Boaz Harrosh, (Tue Oct 23, 1:08 pm)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 2:33 pm)
Re: [PATCH 09/10] Change table chaining layout, Andi Kleen, (Tue Oct 23, 3:56 pm)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 4:20 pm)
Re: [PATCH 09/10] Change table chaining layout, Andi Kleen, (Tue Oct 23, 4:57 pm)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 5:44 pm)
Re: [PATCH 09/10] Change table chaining layout, Geert Uytterhoeven, (Mon Oct 22, 3:39 pm)
Re: [PATCH 09/10] Change table chaining layout, Linus Torvalds, (Mon Oct 22, 3:49 pm)
Re: [PATCH 09/10] Change table chaining layout, Alan Cox, (Mon Oct 22, 4:16 pm)
Re: [PATCH 09/10] Change table chaining layout, Linus Torvalds, (Mon Oct 22, 4:44 pm)
Re: [PATCH 09/10] Change table chaining layout, Alan Cox, (Mon Oct 22, 5:43 pm)
Re: [PATCH 09/10] Change table chaining layout, Linus Torvalds, (Mon Oct 22, 5:47 pm)
Re: [PATCH 09/10] Change table chaining layout, Boaz Harrosh, (Tue Oct 23, 5:29 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 5:41 am)
Re: [PATCH 09/10] Change table chaining layout, Ingo Molnar, (Tue Oct 23, 6:33 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 6:56 am)
Re: [PATCH 09/10] Change table chaining layout, Ingo Molnar, (Tue Oct 23, 7:27 am)
Re: [PATCH 09/10] Change table chaining layout, Geert Uytterhoeven, (Tue Oct 23, 3:23 pm)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Wed Oct 24, 2:56 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 5:46 pm)
Re: [PATCH 09/10] Change table chaining layout, Boaz Harrosh, (Tue Oct 23, 5:50 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 5:55 am)
Re: [PATCH 09/10] Change table chaining layout, Boaz Harrosh, (Tue Oct 23, 6:23 am)
Re: [PATCH 09/10] Change table chaining layout, Linus Torvalds, (Tue Oct 23, 11:22 am)
Re: [PATCH 09/10] Change table chaining layout, Rusty Russell, (Thu Oct 25, 4:40 am)
Re: [PATCH 09/10] Change table chaining layout, Linus Torvalds, (Thu Oct 25, 11:40 am)
Re: [PATCH 09/10] Change table chaining layout, Paul Mackerras, (Fri Oct 26, 1:01 am)
Re: [PATCH 09/10] Change table chaining layout, Linus Torvalds, (Fri Oct 26, 10:52 am)
[RFC PATCH 1/2] sg_ring instead of scatterlist chaining, Rusty Russell, (Mon Nov 5, 2:11 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Fri Oct 26, 1:28 pm)
Re: [PATCH 09/10] Change table chaining layout, Benny Halevy, (Thu Oct 25, 12:03 pm)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Thu Oct 25, 5:11 am)
Re: [PATCH 09/10] Change table chaining layout, Rusty Russell, (Thu Oct 25, 7:54 am)
Re: [PATCH 09/10] Change table chaining layout, Rusty Russell, (Thu Oct 25, 8:03 pm)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Wed Oct 24, 4:05 am)
Re: [PATCH 09/10] Change table chaining layout, Geert Uytterhoeven, (Wed Oct 24, 5:03 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Wed Oct 24, 5:12 am)
Re: [PATCH 09/10] Change table chaining layout, Linus Torvalds, (Wed Oct 24, 11:16 am)
Re: [PATCH 09/10] Change table chaining layout, Olivier Galibert, (Wed Oct 24, 9:35 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Wed Oct 24, 9:38 am)
Re: [PATCH 09/10] Change table chaining layout, Olivier Galibert, (Wed Oct 24, 9:45 am)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Tue Oct 23, 6:29 am)
Re: [PATCH 09/10] Change table chaining layout, Geert Uytterhoeven, (Tue Oct 23, 3:18 am)
Re: [PATCH 09/10] Change table chaining layout, David Miller, (Mon Oct 22, 8:07 pm)
Re: [PATCH 09/10] Change table chaining layout, Jeff Garzik, (Mon Oct 22, 5:21 pm)
Re: [PATCH 09/10] Change table chaining layout, Matt Mackall, (Mon Oct 22, 5:47 pm)
Re: [PATCH 09/10] Change table chaining layout, Alan Cox, (Mon Oct 22, 6:52 pm)
Re: [PATCH 09/10] Change table chaining layout, Matt Mackall, (Mon Oct 22, 7:46 pm)
Re: [PATCH 09/10] Change table chaining layout, Jeff Garzik, (Mon Oct 22, 8:11 pm)
Re: [PATCH 09/10] Change table chaining layout, Benny Halevy, (Mon Oct 22, 5:16 pm)
Re: [PATCH 09/10] Change table chaining layout, Matt Mackall, (Mon Oct 22, 4:38 pm)
Re: [PATCH 09/10] Change table chaining layout, Jens Axboe, (Mon Oct 22, 3:52 pm)
powerpc: Fix fallout from sg_page() changes, Olof Johansson, (Tue Oct 23, 12:09 am)
Re: powerpc: Fix fallout from sg_page() changes, Jens Axboe, (Tue Oct 23, 3:13 am)
IB/ehca: Fix sg_page() fallout, Olof Johansson, (Tue Oct 23, 12:31 am)
Re: IB/ehca: Fix sg_page() fallout, Jens Axboe, (Tue Oct 23, 1:05 am)
Re: IB/ehca: Fix sg_page() fallout, Olof Johansson, (Tue Oct 23, 1:54 am)
Re: IB/ehca: Fix sg_page() fallout, Jens Axboe, (Tue Oct 23, 3:12 am)