+++ /dev/null
-Index: linux-2.6.18-128.1.6/fs/ext4/mballoc.c
-===================================================================
---- linux-2.6.18-128.1.6.orig/fs/ext4/mballoc.c 2009-05-29 16:32:19.000000000 +0530
-+++ linux-2.6.18-128.1.6/fs/ext4/mballoc.c 2009-05-29 16:34:16.000000000 +0530
-@@ -2949,14 +2949,20 @@
- struct ext4_sb_info *sbi = EXT4_SB(sb);
- struct proc_dir_entry *proc;
- struct proc_dir_entry *proc_entry;
-- char devname[64];
-+ char devname[BDEVNAME_SIZE], *p;
-
- if (proc_root_ext4 == NULL) {
- sbi->s_mb_proc = NULL;
- return -EINVAL;
- }
- bdevname(sb->s_bdev, devname);
-+ p = devname;
-+ while ((p = strchr(p, '/')))
-+ *p = '!';
-+
- sbi->s_mb_proc = proc_mkdir(devname, proc_root_ext4);
-+ if (!sbi->s_mb_proc)
-+ goto err_create_dir;
-
- MB_PROC_HANDLER(EXT4_MB_STATS_NAME, stats);
- MB_PROC_HANDLER(EXT4_MB_MAX_TO_SCAN_NAME, max_to_scan);
-@@ -2980,7 +2986,6 @@
- return 0;
-
- err_out:
-- printk(KERN_ERR "EXT4-fs: Unable to create %s\n", devname);
- remove_proc_entry(EXT4_MB_GROUP_PREALLOC, sbi->s_mb_proc);
- remove_proc_entry(EXT4_MB_PREALLOC_TABLE, sbi->s_mb_proc);
- remove_proc_entry(EXT4_MB_LARGE_REQ, sbi->s_mb_proc);
-@@ -2993,18 +2998,23 @@
- remove_proc_entry(devname, proc_root_ext4);
- sbi->s_mb_proc = NULL;
-
-+err_create_dir:
-+ printk(KERN_ERR "EXT4-fs: Unable to create %s\n", devname);
- return -ENOMEM;
- }
-
- static int ext4_mb_destroy_per_dev_proc(struct super_block *sb)
- {
- struct ext4_sb_info *sbi = EXT4_SB(sb);
-- char devname[64];
-+ char devname[BDEVNAME_SIZE], *p;
-
- if (sbi->s_mb_proc == NULL)
- return -EINVAL;
-
- bdevname(sb->s_bdev, devname);
-+ p = devname;
-+ while ((p = strchr(p, '/')))
-+ *p = '!';
- remove_proc_entry(EXT4_MB_GROUP_PREALLOC, sbi->s_mb_proc);
- remove_proc_entry(EXT4_MB_PREALLOC_TABLE, sbi->s_mb_proc);
- remove_proc_entry(EXT4_MB_LARGE_REQ, sbi->s_mb_proc);