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Branch b1_6
[fs/lustre-release.git] / ldiskfs / kernel_patches / patches / ext3-mballoc3-core.patch
diff --git a/ldiskfs/kernel_patches/patches/ext3-mballoc3-core.patch b/ldiskfs/kernel_patches/patches/ext3-mballoc3-core.patch
index 7a26701..fa8b4ae 100644 (file)
--- a/ldiskfs/kernel_patches/patches/ext3-mballoc3-core.patch
+++ b/ldiskfs/kernel_patches/patches/ext3-mballoc3-core.patch
@@ -1,8 +1,8 @@
-Index: linux-2.6.18-53.1.21/include/linux/ext3_fs.h
+Index: linux-2.6.22.19/include/linux/ext3_fs.h
 ===================================================================
---- linux-2.6.18-53.1.21.orig/include/linux/ext3_fs.h
-+++ linux-2.6.18-53.1.21/include/linux/ext3_fs.h
-@@ -53,6 +53,31 @@
+--- linux-2.6.22.19.orig/include/linux/ext3_fs.h
++++ linux-2.6.22.19/include/linux/ext3_fs.h
+@@ -54,6 +54,31 @@
  #define ext3_debug(f, a...)   do {} while (0)
  #endif
  
@@ -34,7 +34,7 @@ Index: linux-2.6.18-53.1.21/include/linux/ext3_fs.h
  /*
   * Special inodes numbers
   */
-@@ -398,6 +423,14 @@ struct ext3_inode {
+@@ -412,6 +437,14 @@ struct ext3_inode {
  #define ext3_find_first_zero_bit      ext2_find_first_zero_bit
  #define ext3_find_next_zero_bit               ext2_find_next_zero_bit
  
@@ -49,7 +49,7 @@ Index: linux-2.6.18-53.1.21/include/linux/ext3_fs.h
  /*
   * Maximal mount counts between two filesystem checks
   */
-@@ -799,6 +832,20 @@ extern unsigned long ext3_count_dirs (st
+@@ -813,6 +846,20 @@ extern unsigned long ext3_count_dirs (st
  extern void ext3_check_inodes_bitmap (struct super_block *);
  extern unsigned long ext3_count_free (struct buffer_head *, unsigned);
  
@@ -70,7 +70,7 @@ Index: linux-2.6.18-53.1.21/include/linux/ext3_fs.h
  
  /* inode.c */
  int ext3_forget(handle_t *handle, int is_metadata, struct inode *inode,
-@@ -843,6 +890,10 @@ extern int ext3_group_extend(struct supe
+@@ -859,6 +906,10 @@ extern int ext3_group_extend(struct supe
                                ext3_fsblk_t n_blocks_count);
  
  /* super.c */
@@ -81,10 +81,10 @@ Index: linux-2.6.18-53.1.21/include/linux/ext3_fs.h
  extern void ext3_error (struct super_block *, const char *, const char *, ...)
        __attribute__ ((format (printf, 3, 4)));
  extern void __ext3_std_error (struct super_block *, const char *, int);
-Index: linux-2.6.18-53.1.21/include/linux/ext3_fs_sb.h
+Index: linux-2.6.22.19/include/linux/ext3_fs_sb.h
 ===================================================================
---- linux-2.6.18-53.1.21.orig/include/linux/ext3_fs_sb.h
-+++ linux-2.6.18-53.1.21/include/linux/ext3_fs_sb.h
+--- linux-2.6.22.19.orig/include/linux/ext3_fs_sb.h
++++ linux-2.6.22.19/include/linux/ext3_fs_sb.h
 @@ -88,6 +88,68 @@ struct ext3_sb_info {
        unsigned long s_ext_blocks;
        unsigned long s_ext_extents;
@@ -154,11 +154,11 @@ Index: linux-2.6.18-53.1.21/include/linux/ext3_fs_sb.h
 +                               [(group) & (EXT3_DESC_PER_BLOCK(sb) - 1)]
 +
  #endif        /* _LINUX_EXT3_FS_SB */
-Index: linux-2.6.18-53.1.21/fs/ext3/super.c
+Index: linux-2.6.22.19/fs/ext3/super.c
 ===================================================================
---- linux-2.6.18-53.1.21.orig/fs/ext3/super.c
-+++ linux-2.6.18-53.1.21/fs/ext3/super.c
-@@ -391,6 +391,7 @@ static void ext3_put_super (struct super
+--- linux-2.6.22.19.orig/fs/ext3/super.c
++++ linux-2.6.22.19/fs/ext3/super.c
+@@ -392,6 +392,7 @@ static void ext3_put_super (struct super
        struct ext3_super_block *es = sbi->s_es;
        int i;
  
@@ -166,16 +166,18 @@ Index: linux-2.6.18-53.1.21/fs/ext3/super.c
        ext3_ext_release(sb);
        ext3_xattr_put_super(sb);
        journal_destroy(sbi->s_journal);
-@@ -433,6 +434,8 @@ static void ext3_put_super (struct super
-               invalidate_bdev(sbi->journal_bdev, 0);
+@@ -434,6 +435,10 @@ static void ext3_put_super (struct super
+               invalidate_bdev(sbi->journal_bdev);
                ext3_blkdev_remove(sbi);
        }
-+      remove_proc_entry(sb->s_id, proc_root_ext3);
-+      sbi->s_dev_proc = NULL;
++      if (sbi->s_dev_proc) {
++              remove_proc_entry(sbi->s_dev_proc->name, proc_root_ext3);
++              sbi->s_dev_proc = NULL;
++      }
        sb->s_fs_info = NULL;
        kfree(sbi);
        return;
-@@ -458,6 +461,8 @@ static struct inode *ext3_alloc_inode(st
+@@ -459,6 +464,8 @@ static struct inode *ext3_alloc_inode(st
        ei->vfs_inode.i_version = 1;
  
        memset(&ei->i_cached_extent, 0, sizeof(ei->i_cached_extent));
@@ -184,30 +186,49 @@ Index: linux-2.6.18-53.1.21/fs/ext3/super.c
        return &ei->vfs_inode;
  }
  
-@@ -1454,6 +1459,13 @@ static int ext3_fill_super (struct super
+@@ -1434,6 +1441,7 @@ static int ext3_fill_super (struct super
+       unsigned long journal_devnum = 0;
+       unsigned long def_mount_opts;
+       struct inode *root;
++      char *devname;
+       int blocksize;
+       int hblock;
+       int db_count;
+@@ -1448,6 +1456,22 @@ static int ext3_fill_super (struct super
        sbi->s_mount_opt = 0;
        sbi->s_resuid = EXT3_DEF_RESUID;
        sbi->s_resgid = EXT3_DEF_RESGID;
-+      sbi->s_dev_proc = proc_mkdir(sb->s_id, proc_root_ext3);
-+      if (sbi->s_dev_proc == NULL) {
-+              printk(KERN_ERR "EXT3-fs: Unable to create %s\n", sb->s_id);
-+              sb->s_fs_info = NULL;
-+              kfree(sbi);
-+              return -ENOMEM;
++      devname = kstrdup(sb->s_id, GFP_KERNEL);
++      if (devname) {
++              char *p = devname;
++              while ((p = strchr(p, '/')))
++                      *p = '!';
++              sbi->s_dev_proc = proc_mkdir(devname, proc_root_ext3);
++              if (sbi->s_dev_proc == NULL)
++                      printk(KERN_WARNING "EXT3-fs warning: unable to create "
++                                          "procfs entry for %s(%s)\n",
++                                          sb->s_id, devname);
++              kfree(devname);
++      } else {
++              printk(KERN_WARNING "EXT3-fs warning: cannot allocate memory "
++                                  "to create procfs entry for %s\n",
++                                  sb->s_id);
 +      }
  
        unlock_kernel();
  
-@@ -1857,6 +1869,8 @@ failed_mount:
+@@ -1857,6 +1881,10 @@ failed_mount:
        ext3_blkdev_remove(sbi);
        brelse(bh);
  out_fail:
-+      remove_proc_entry(sb->s_id, proc_root_ext3);
-+      sbi->s_dev_proc = NULL;
++      if (sbi->s_dev_proc) {
++              remove_proc_entry(sbi->s_dev_proc->name, proc_root_ext3);
++              sbi->s_dev_proc = NULL;
++      }
        sb->s_fs_info = NULL;
        kfree(sbi);
        lock_kernel();
-@@ -2782,9 +2796,46 @@ static struct file_system_type ext3_fs_t
+@@ -2787,9 +2815,46 @@ static struct file_system_type ext3_fs_t
        .fs_flags       = FS_REQUIRES_DEV,
  };
  
@@ -255,7 +276,7 @@ Index: linux-2.6.18-53.1.21/fs/ext3/super.c
        if (err)
                return err;
        err = init_inodecache();
-@@ -2806,6 +2857,7 @@ static void __exit exit_ext3_fs(void)
+@@ -2811,6 +2876,7 @@ static void __exit exit_ext3_fs(void)
        unregister_filesystem(&ext3_fs_type);
        destroy_inodecache();
        exit_ext3_xattr();
@@ -263,10 +284,10 @@ Index: linux-2.6.18-53.1.21/fs/ext3/super.c
  }
  
  int ext3_map_inode_page(struct inode *inode, struct page *page,
-Index: linux-2.6.18-53.1.21/fs/ext3/mballoc.c
+Index: linux-2.6.22.19/fs/ext3/mballoc.c
 ===================================================================
 --- /dev/null
-+++ linux-2.6.18-53.1.21/fs/ext3/mballoc.c
++++ linux-2.6.22.19/fs/ext3/mballoc.c
 @@ -0,0 +1,4475 @@
 +/*
 + * Copyright 2008 Sun Microsystems, Inc.
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