From 692bc2586a05d4df95ef3f28b5d3bb45fbde2522 Mon Sep 17 00:00:00 2001
From: johann <johann>
Date: Tue, 13 Oct 2009 21:01:57 +0000
Subject: [PATCH] Branch b1_8 b=19763 i=adilger i=girish

speed up quotacheck. take into account itable_unused_count.
---
 .../patches/export-ext4-2.6-sles11.patch           | 22 +++++++++++++++-------
 .../ext4-add-ext4_itable_unused_count.patch        | 20 ++++++++++++++++++++
 .../series/ldiskfs-2.6-rhel5-ext4.series           |  1 +
 3 files changed, 36 insertions(+), 7 deletions(-)
 create mode 100644 ldiskfs/kernel_patches/patches/ext4-add-ext4_itable_unused_count.patch

diff --git a/ldiskfs/kernel_patches/patches/export-ext4-2.6-sles11.patch b/ldiskfs/kernel_patches/patches/export-ext4-2.6-sles11.patch
index 0d151fc..9d70f31 100644
--- a/ldiskfs/kernel_patches/patches/export-ext4-2.6-sles11.patch
+++ b/ldiskfs/kernel_patches/patches/export-ext4-2.6-sles11.patch
@@ -1,8 +1,16 @@
-Index: linux-2.6.18.i386/fs/ext4/super.c
+Index: linux-stage/fs/ext4/super.c
 ===================================================================
---- linux-2.6.18.i386.orig/fs/ext4/super.c
-+++ linux-2.6.18.i386/fs/ext4/super.c
-@@ -185,6 +185,8 @@ void ext4_journal_abort_handle(const cha
+--- linux-stage.orig/fs/ext4/super.c
++++ linux-stage/fs/ext4/super.c
+@@ -124,6 +124,7 @@ __u32 ext4_itable_unused_count(struct su
+ 		(EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ?
+ 		(__u32)le16_to_cpu(bg->bg_itable_unused_hi) << 16 : 0);
+ }
++EXPORT_SYMBOL(ext4_itable_unused_count);
+ 
+ void ext4_block_bitmap_set(struct super_block *sb,
+ 			   struct ext4_group_desc *bg, ext4_fsblk_t blk)
+@@ -253,6 +254,8 @@ void ext4_journal_abort_handle(const cha
  	jbd2_journal_abort_handle(handle);
  }
  
@@ -11,7 +19,7 @@ Index: linux-2.6.18.i386/fs/ext4/super.c
  /* Deal with the reporting of failure conditions on a filesystem such as
   * inconsistencies detected or read IO failures.
   *
-@@ -2459,6 +2461,8 @@ out_fail:
+@@ -2590,6 +2593,8 @@ out_fail:
  	return ret;
  }
  
@@ -20,7 +28,7 @@ Index: linux-2.6.18.i386/fs/ext4/super.c
  /*
   * Setup any per-fs journal parameters now.  We'll do this both on
   * initial mount, once the journal has been initialised but before we've
-@@ -3502,6 +3506,12 @@ int ext4_map_inode_page(struct inode *in
+@@ -3728,6 +3733,12 @@ int ext4_map_inode_page(struct inode *in
  			unsigned long *blocks, int *created, int create);
  EXPORT_SYMBOL(ext4_map_inode_page);
  
@@ -37,7 +45,7 @@ Index: linux-stage/fs/ext4/ext4.h
 ===================================================================
 --- linux-stage.orig/fs/ext4/ext4.h
 +++ linux-stage/fs/ext4/ext4.h
-@@ -1097,6 +1097,8 @@ extern struct inode * ext4_orphan_get(st
+@@ -1047,6 +1047,8 @@ extern struct inode * ext4_orphan_get(st
  extern unsigned long ext4_count_free_inodes(struct super_block *);
  extern unsigned long ext4_count_dirs(struct super_block *);
  extern void ext4_check_inodes_bitmap(struct super_block *);
diff --git a/ldiskfs/kernel_patches/patches/ext4-add-ext4_itable_unused_count.patch b/ldiskfs/kernel_patches/patches/ext4-add-ext4_itable_unused_count.patch
new file mode 100644
index 0000000..69aea80
--- /dev/null
+++ b/ldiskfs/kernel_patches/patches/ext4-add-ext4_itable_unused_count.patch
@@ -0,0 +1,20 @@
+RHEL5 still does not use bg_itable_unused_lo/hi. This patch
+can be removed from the series once ext4_itable_unused_count()
+is introduced in the RHEL5 mainline.
+
+Index: linux-2.6.18-128.1.6/fs/ext4/ext4.h
+===================================================================
+--- linux-2.6.18-128.1.6.orig/fs/ext4/ext4.h
++++ linux-2.6.18-128.1.6/fs/ext4/ext4.h
+@@ -1275,6 +1275,11 @@ static inline unsigned int ext4_flex_bg_
+ 	return 1 << sbi->s_log_groups_per_flex;
+ }
+ 
++static inline __u32 ext4_itable_unused_count(struct super_block *sb,
++                                             struct ext4_group_desc *bg) {
++	       return le16_to_cpu(bg->bg_itable_unused);
++}
++
+ #define ext4_std_error(sb, errno)				\
+ do {								\
+ 	if ((errno))						\
diff --git a/ldiskfs/kernel_patches/series/ldiskfs-2.6-rhel5-ext4.series b/ldiskfs/kernel_patches/series/ldiskfs-2.6-rhel5-ext4.series
index 06b5e3e..aa560d2 100644
--- a/ldiskfs/kernel_patches/series/ldiskfs-2.6-rhel5-ext4.series
+++ b/ldiskfs/kernel_patches/series/ldiskfs-2.6-rhel5-ext4.series
@@ -31,3 +31,4 @@ ext4-dynlocks-2.6-rhel5.patch
 ext4-hash-indexed-dir-dotdot-update.patch
 ext4-kill-dx_root.patch
 ext4_data_in_dirent.patch
+ext4-add-ext4_itable_unused_count.patch
-- 
1.8.3.1