From c6570aa9b0922c941f4058c917a4b088b82a7342 Mon Sep 17 00:00:00 2001
From: dzogin <dzogin>
Date: Sun, 6 Sep 2009 16:12:37 +0000
Subject: [PATCH]  Branch b1_8  b=20533  i=johann  i=adilger
 ---------------------------------------------------------------------- 
 Modified Files:   Tag: b1_8  	lustre/ChangeLog
 lustre/kernel_patches/series/2.6-rhel5.series  
 lustre/kernel_patches/series/2.6-sles11.series  Added Files:   Tag: b1_8  
 lustre/kernel_patches/patches/blkdev_tunables-2.6-rhel5.patch  
 lustre/kernel_patches/patches/blkdev_tunables-2.6-sles11.patch
 ----------------------------------------------------------------------
 Description: Increase the default BLK_DEF_MAX_SECTORS value for RHEL5 and
 SLES11 ===================================================================

---
 lustre/ChangeLog                                              |  4 ++++
 lustre/kernel_patches/patches/blkdev_tunables-2.6-rhel5.patch | 11 +++++++++++
 .../kernel_patches/patches/blkdev_tunables-2.6-sles11.patch   | 11 +++++++++++
 lustre/kernel_patches/series/2.6-rhel5.series                 |  1 +
 lustre/kernel_patches/series/2.6-sles11.series                |  1 +
 5 files changed, 28 insertions(+)
 create mode 100644 lustre/kernel_patches/patches/blkdev_tunables-2.6-rhel5.patch
 create mode 100644 lustre/kernel_patches/patches/blkdev_tunables-2.6-sles11.patch

diff --git a/lustre/ChangeLog b/lustre/ChangeLog
index 5b36fbf..5e12d2d 100644
--- a/lustre/ChangeLog
+++ b/lustre/ChangeLog
@@ -15,6 +15,10 @@ tbd Sun Microsystems, Inc.
 	  more information, please refer to bugzilla 17630.
 
 Severity   : normal
+Bugzilla   : 20533
+Description: Increase the default BLK_DEF_MAX_SECTORS value for RHEL5 and SLES11
+
+Severity   : normal
 Bugzilla   : 20482
 Description: Error handling in osc_statfs_interpret() has been improved.
 Details    : Check in osc_statfs_interpret() for EBADR.
diff --git a/lustre/kernel_patches/patches/blkdev_tunables-2.6-rhel5.patch b/lustre/kernel_patches/patches/blkdev_tunables-2.6-rhel5.patch
new file mode 100644
index 0000000..84a0ecb
--- /dev/null
+++ b/lustre/kernel_patches/patches/blkdev_tunables-2.6-rhel5.patch
@@ -0,0 +1,11 @@
+--- linux-2.6.18-128.1.14.orig/include/linux/blkdev.h	2009-06-19 04:03:20.000000000 -0400
++++ linux-2.6.18-128.1.14/include/linux/blkdev.h	2009-09-04 16:31:30.000000000 -0400
+@@ -778,7 +778,7 @@ extern int blkdev_issue_flush(struct blo
+ #define MAX_PHYS_SEGMENTS 128
+ #define MAX_HW_SEGMENTS 128
+ #define SAFE_MAX_SECTORS 255
+-#define BLK_DEF_MAX_SECTORS 1024
++#define BLK_DEF_MAX_SECTORS 2048
+ 
+ #define MAX_SEGMENT_SIZE	65536
+ 
diff --git a/lustre/kernel_patches/patches/blkdev_tunables-2.6-sles11.patch b/lustre/kernel_patches/patches/blkdev_tunables-2.6-sles11.patch
new file mode 100644
index 0000000..dea7372
--- /dev/null
+++ b/lustre/kernel_patches/patches/blkdev_tunables-2.6-sles11.patch
@@ -0,0 +1,11 @@
+--- linux-2.6.27.19-5.orig/include/linux/blkdev.h	2009-03-17 12:48:06.000000000 -0400
++++ linux-2.6.27.19-5/include/linux/blkdev.h	2009-09-04 18:04:43.000000000 -0400
+@@ -904,7 +904,7 @@ extern void blk_set_cmd_filter_defaults(
+ #define MAX_PHYS_SEGMENTS 128
+ #define MAX_HW_SEGMENTS 128
+ #define SAFE_MAX_SECTORS 255
+-#define BLK_DEF_MAX_SECTORS 1024
++#define BLK_DEF_MAX_SECTORS 2048
+ 
+ #define MAX_SEGMENT_SIZE	65536
+ 
diff --git a/lustre/kernel_patches/series/2.6-rhel5.series b/lustre/kernel_patches/series/2.6-rhel5.series
index b049b80..575e630 100644
--- a/lustre/kernel_patches/series/2.6-rhel5.series
+++ b/lustre/kernel_patches/series/2.6-rhel5.series
@@ -8,6 +8,7 @@ export-2.6.18-vanilla.patch
 export-show_task-2.6.18-vanilla.patch
 sd_iostats-2.6-rhel5.patch
 export_symbol_numa-2.6-fc5.patch
+blkdev_tunables-2.6-rhel5.patch
 jbd-stats-2.6-rhel5.patch
 raid5-stats-rhel5.patch
 raid5-configurable-cachesize-rhel5.patch
diff --git a/lustre/kernel_patches/series/2.6-sles11.series b/lustre/kernel_patches/series/2.6-sles11.series
index 860be33..61e48cd 100644
--- a/lustre/kernel_patches/series/2.6-sles11.series
+++ b/lustre/kernel_patches/series/2.6-sles11.series
@@ -7,6 +7,7 @@ dev_read_only-2.6.27-vanilla.patch
 export-2.6.27-vanilla.patch 
 export-show_task-2.6.27-vanilla.patch 
 sd_iostats-2.6.27-vanilla.patch
+blkdev_tunables-2.6-sles11.patch
 md-mmp-unplug-dev-sles11.patch
 quota-support-64-bit-quota-format.patch
 jbd2-jcberr-2.6-sles11.patch
-- 
1.8.3.1