From 82365c4e934e52c0b91352100fbf7c66e8e6aea8 Mon Sep 17 00:00:00 2001
From: johann <johann>
Date: Tue, 10 Nov 2009 19:57:24 +0000
Subject: [PATCH] Branch b1_8 b=21224 i=girish i=panda

Export ext4_get_group_desc() instead of reimplementing it
in fsfilt.
Speed up quotacheck by using find_next_bit() and stopping
scanning once we have know that no more inodes in-use remain.
---
 .../patches/export-ext4-2.6-rhel5.patch            | 32 +++++++++++++++-------
 .../patches/export-ext4-2.6-sles11.patch           | 12 ++++++++
 2 files changed, 34 insertions(+), 10 deletions(-)

diff --git a/ldiskfs/kernel_patches/patches/export-ext4-2.6-rhel5.patch b/ldiskfs/kernel_patches/patches/export-ext4-2.6-rhel5.patch
index 9f33c4f..7a97989 100644
--- a/ldiskfs/kernel_patches/patches/export-ext4-2.6-rhel5.patch
+++ b/ldiskfs/kernel_patches/patches/export-ext4-2.6-rhel5.patch
@@ -1,7 +1,7 @@
-Index: linux-2.6.18-128.1.6/fs/ext4/super.c
+Index: linux-stage/fs/ext4/super.c
 ===================================================================
---- linux-2.6.18-128.1.6.orig/fs/ext4/super.c
-+++ linux-2.6.18-128.1.6/fs/ext4/super.c
+--- linux-stage.orig/fs/ext4/super.c
++++ linux-stage/fs/ext4/super.c
 @@ -185,6 +185,8 @@ void ext4_journal_abort_handle(const cha
  	jbd2_journal_abort_handle(handle);
  }
@@ -20,7 +20,7 @@ Index: linux-2.6.18-128.1.6/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
+@@ -3504,6 +3508,12 @@ int ext4_map_inode_page(struct inode *in
  			unsigned long *blocks, int *created, int create);
  EXPORT_SYMBOL(ext4_map_inode_page);
  
@@ -33,10 +33,10 @@ Index: linux-2.6.18-128.1.6/fs/ext4/super.c
  MODULE_AUTHOR("Remy Card, Stephen Tweedie, Andrew Morton, Andreas Dilger, Theodore Ts'o and others");
  MODULE_DESCRIPTION("Fourth Extended Filesystem with extents");
  MODULE_LICENSE("GPL");
-Index: linux-2.6.18-128.1.6/fs/ext4/ext4.h
+Index: linux-stage/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
+--- linux-stage.orig/fs/ext4/ext4.h
++++ linux-stage/fs/ext4/ext4.h
 @@ -1024,6 +1024,8 @@ extern unsigned long ext4_count_free_ino
  extern unsigned long ext4_count_dirs (struct super_block *);
  extern void ext4_check_inodes_bitmap (struct super_block *);
@@ -46,10 +46,10 @@ Index: linux-2.6.18-128.1.6/fs/ext4/ext4.h
  
  /* mballoc.c */
  extern long ext4_mb_stats;
-Index: linux-2.6.18-128.1.6/fs/ext4/ialloc.c
+Index: linux-stage/fs/ext4/ialloc.c
 ===================================================================
---- linux-2.6.18-128.1.6.orig/fs/ext4/ialloc.c
-+++ linux-2.6.18-128.1.6/fs/ext4/ialloc.c
+--- linux-stage.orig/fs/ext4/ialloc.c
++++ linux-stage/fs/ext4/ialloc.c
 @@ -96,7 +96,7 @@ unsigned ext4_init_inode_bitmap(struct s
   *
   * Return buffer_head of bitmap on success or NULL.
@@ -67,3 +67,15 @@ Index: linux-2.6.18-128.1.6/fs/ext4/ialloc.c
  
  /*
   * NOTE! When we get the inode, we're the only people
+Index: linux-stage/fs/ext4/balloc.c
+===================================================================
+--- linux-stage.orig/fs/ext4/balloc.c
++++ linux-stage/fs/ext4/balloc.c
+@@ -236,6 +236,7 @@ struct ext4_group_desc * ext4_get_group_
+ 		*bh = sbi->s_group_desc[group_desc];
+ 	return desc;
+ }
++EXPORT_SYMBOL(ext4_get_group_desc);
+ 
+ static int ext4_valid_block_bitmap(struct super_block *sb,
+ 					struct ext4_group_desc *desc,
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 9d70f31..aa288b9 100644
--- a/ldiskfs/kernel_patches/patches/export-ext4-2.6-sles11.patch
+++ b/ldiskfs/kernel_patches/patches/export-ext4-2.6-sles11.patch
@@ -75,3 +75,15 @@ Index: linux-stage/fs/ext4/ialloc.c
  
  /*
   * NOTE! When we get the inode, we're the only people
+Index: linux-stage/fs/ext4/balloc.c
+===================================================================
+--- linux-stage.orig/fs/ext4/balloc.c
++++ linux-stage/fs/ext4/balloc.c
+@@ -238,6 +238,7 @@ struct ext4_group_desc * ext4_get_group_
+ 		*bh = sbi->s_group_desc[group_desc];
+ 	return desc;
+ }
++EXPORT_SYMBOL(ext4_get_group_desc);
+ 
+ static int ext4_valid_block_bitmap(struct super_block *sb,
+ 					struct ext4_group_desc *desc,
-- 
1.8.3.1