x86_64: prepare shared kernel/verify_cpu.S

[safe/jmp/linux-2.6] / fs / ext4 / balloc.c

diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 8e7249e..e53b4af 100644 (file)
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -30,15 +30,15 @@
 void ext4_get_group_no_and_offset(struct super_block *sb, ext4_fsblk_t blocknr,
                unsigned long *blockgrpp, ext4_grpblk_t *offsetp)
 {
-        struct ext4_super_block *es = EXT4_SB(sb)->s_es;
+       struct ext4_super_block *es = EXT4_SB(sb)->s_es;
        ext4_grpblk_t offset;
 
-        blocknr = blocknr - le32_to_cpu(es->s_first_data_block);
+       blocknr = blocknr - le32_to_cpu(es->s_first_data_block);
        offset = do_div(blocknr, EXT4_BLOCKS_PER_GROUP(sb));
        if (offsetp)
                *offsetp = offset;
        if (blockgrpp)
-               *blockgrpp = blocknr;
+               *blockgrpp = blocknr;
 
 }
 
@@ -50,7 +50,7 @@ void ext4_get_group_no_and_offset(struct super_block *sb, ext4_fsblk_t blocknr,
  * The file system contains group descriptors which are located after the
  * super block.  Each descriptor contains the number of the bitmap block and
  * the free blocks count in the block.  The descriptors are loaded in memory
- * when a file system is mounted (see ext4_read_super).
+ * when a file system is mounted (see ext4_fill_super).
  */
 
 
@@ -517,7 +517,7 @@ do_more:
                /*
                 * An HJ special.  This is expensive...
                 */
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
                jbd_unlock_bh_state(bitmap_bh);
                {
                        struct buffer_head *debug_bh;
@@ -747,7 +747,7 @@ find_next_usable_block(ext4_grpblk_t start, struct buffer_head *bh,
                here = 0;
 
        p = ((char *)bh->b_data) + (here >> 3);
-       r = memscan(p, 0, (maxblocks - here + 7) >> 3);
+       r = memscan(p, 0, ((maxblocks + 7) >> 3) - (here >> 3));
        next = (r - ((char *)bh->b_data)) << 3;
 
        if (next < maxblocks && next >= start && ext4_test_allocatable(next, bh))
@@ -1529,10 +1529,8 @@ retry_alloc:
                if (group_no >= ngroups)
                        group_no = 0;
                gdp = ext4_get_group_desc(sb, group_no, &gdp_bh);
-               if (!gdp) {
-                       *errp = -EIO;
-                       goto out;
-               }
+               if (!gdp)
+                       goto io_error;
                free_blocks = le16_to_cpu(gdp->bg_free_blocks_count);
                /*
                 * skip this group if the number of
@@ -1587,7 +1585,7 @@ allocated:
        ret_block = grp_alloc_blk + ext4_group_first_block_no(sb, group_no);
 
        if (in_range(ext4_block_bitmap(sb, gdp), ret_block, num) ||
-           in_range(ext4_block_bitmap(sb, gdp), ret_block, num) ||
+           in_range(ext4_inode_bitmap(sb, gdp), ret_block, num) ||
            in_range(ret_block, ext4_inode_table(sb, gdp),
                     EXT4_SB(sb)->s_itb_per_group) ||
            in_range(ret_block + num - 1, ext4_inode_table(sb, gdp),
@@ -1599,7 +1597,7 @@ allocated:
 
        performed_allocation = 1;
 
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
        {
                struct buffer_head *debug_bh;