[PATCH] percpu counter data type changes to suppport more than 2**31 ext3 free blocks...

[deliverable/linux.git] / fs / ext3 / super.c

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 1a198b3985c995e13b98dc06984d25cf43297c0a..a60cc6ec130f4a1ebe5fcbe296fff141535108b8 100644 (file)
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -1580,9 +1580,6 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
                goto failed_mount;
        }
 
-       percpu_counter_init(&sbi->s_freeblocks_counter);
-       percpu_counter_init(&sbi->s_freeinodes_counter);
-       percpu_counter_init(&sbi->s_dirs_counter);
        bgl_lock_init(&sbi->s_blockgroup_lock);
 
        for (i = 0; i < db_count; i++) {
@@ -1602,6 +1599,14 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
        sbi->s_gdb_count = db_count;
        get_random_bytes(&sbi->s_next_generation, sizeof(u32));
        spin_lock_init(&sbi->s_next_gen_lock);
+
+       percpu_counter_init(&sbi->s_freeblocks_counter,
+               ext3_count_free_blocks(sb));
+       percpu_counter_init(&sbi->s_freeinodes_counter,
+               ext3_count_free_inodes(sb));
+       percpu_counter_init(&sbi->s_dirs_counter,
+               ext3_count_dirs(sb));
+
        /* per fileystem reservation list head & lock */
        spin_lock_init(&sbi->s_rsv_window_lock);
        sbi->s_rsv_window_root = RB_ROOT;
@@ -1640,16 +1645,16 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
        if (!test_opt(sb, NOLOAD) &&
            EXT3_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) {
                if (ext3_load_journal(sb, es, journal_devnum))
-                       goto failed_mount2;
+                       goto failed_mount3;
        } else if (journal_inum) {
                if (ext3_create_journal(sb, es, journal_inum))
-                       goto failed_mount2;
+                       goto failed_mount3;
        } else {
                if (!silent)
                        printk (KERN_ERR
                                "ext3: No journal on filesystem on %s\n",
                                sb->s_id);
-               goto failed_mount2;
+               goto failed_mount3;
        }
 
        /* We have now updated the journal if required, so we can
@@ -1672,7 +1677,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
                    (sbi->s_journal, 0, 0, JFS_FEATURE_INCOMPAT_REVOKE)) {
                        printk(KERN_ERR "EXT3-fs: Journal does not support "
                               "requested data journaling mode\n");
-                       goto failed_mount3;
+                       goto failed_mount4;
                }
        default:
                break;
@@ -1695,13 +1700,13 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
        if (!sb->s_root) {
                printk(KERN_ERR "EXT3-fs: get root inode failed\n");
                iput(root);
-               goto failed_mount3;
+               goto failed_mount4;
        }
        if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) {
                dput(sb->s_root);
                sb->s_root = NULL;
                printk(KERN_ERR "EXT3-fs: corrupt root inode, run e2fsck\n");
-               goto failed_mount3;
+               goto failed_mount4;
        }
 
        ext3_setup_super (sb, es, sb->s_flags & MS_RDONLY);
@@ -1724,13 +1729,6 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
                test_opt(sb,DATA_FLAGS) == EXT3_MOUNT_ORDERED_DATA ? "ordered":
                "writeback");
 
-       percpu_counter_mod(&sbi->s_freeblocks_counter,
-               ext3_count_free_blocks(sb));
-       percpu_counter_mod(&sbi->s_freeinodes_counter,
-               ext3_count_free_inodes(sb));
-       percpu_counter_mod(&sbi->s_dirs_counter,
-               ext3_count_dirs(sb));
-
        lock_kernel();
        return 0;
 
@@ -1740,8 +1738,12 @@ cantfind_ext3:
                       sb->s_id);
        goto failed_mount;
 
-failed_mount3:
+failed_mount4:
        journal_destroy(sbi->s_journal);
+failed_mount3:
+       percpu_counter_destroy(&sbi->s_freeblocks_counter);
+       percpu_counter_destroy(&sbi->s_freeinodes_counter);
+       percpu_counter_destroy(&sbi->s_dirs_counter);
 failed_mount2:
        for (i = 0; i < db_count; i++)
                brelse(sbi->s_group_desc[i]);