[PATCH] ext4: 64bit metadata

In-kernel super block changes to support >32 bit free blocks numbers.

Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Alexandre Ratchov <alexandre.ratchov@bull.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 25 insertions, 25 deletions

diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index aa33ff271fa9..6887151ccc47 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -99,12 +99,13 @@ read_block_bitmap(struct super_block *sb, unsigned int block_group)
         desc = ext4_get_group_desc (sb, block_group, NULL);
         if (!desc)
                 goto error_out;
-        bh = sb_bread(sb, le32_to_cpu(desc->bg_block_bitmap));
+        bh = sb_bread(sb, ext4_block_bitmap(desc));
         if (!bh)
                 ext4_error (sb, "read_block_bitmap",
                             "Cannot read block bitmap - "
-                            "block_group = %d, block_bitmap = %u",
-                            block_group, le32_to_cpu(desc->bg_block_bitmap));
+                            "block_group = %d, block_bitmap = "E3FSBLK,
+                            block_group,
+                            ext4_block_bitmap(desc));
 error_out:
         return bh;
 }
@@ -432,14 +433,14 @@ void ext4_free_blocks_sb(handle_t *handle, struct super_block *sb,
         es = sbi->s_es;
         if (block < le32_to_cpu(es->s_first_data_block) ||
             block + count < block ||
-            block + count > le32_to_cpu(es->s_blocks_count)) {
+            block + count > ext4_blocks_count(es)) {
                 ext4_error (sb, "ext4_free_blocks",
                             "Freeing blocks not in datazone - "
                             "block = "E3FSBLK", count = %lu", block, count);
                 goto error_return;
         }
 
-        ext4_debug ("freeing block(s) %lu-%lu\n", block, block + count - 1);
+        ext4_debug ("freeing block(s) %llu-%llu\n", block, block + count - 1);
 
 do_more:
         overflow = 0;
@@ -460,12 +461,11 @@ do_more:
         if (!desc)
                 goto error_return;
 
-        if (in_range (le32_to_cpu(desc->bg_block_bitmap), block, count) ||
-            in_range (le32_to_cpu(desc->bg_inode_bitmap), block, count) ||
-            in_range (block, le32_to_cpu(desc->bg_inode_table),
-                      sbi->s_itb_per_group) ||
-            in_range (block + count - 1, le32_to_cpu(desc->bg_inode_table),
-                      sbi->s_itb_per_group))
+        if (in_range(ext4_block_bitmap(desc), block, count) ||
+            in_range(ext4_inode_bitmap(desc), block, count) ||
+            in_range(block, ext4_inode_table(desc), sbi->s_itb_per_group) ||
+            in_range(block + count - 1, ext4_inode_table(desc),
+                     sbi->s_itb_per_group))
                 ext4_error (sb, "ext4_free_blocks",
                             "Freeing blocks in system zones - "
                             "Block = "E3FSBLK", count = %lu",
@@ -552,8 +552,8 @@ do_more:
                                                 bit + i, bitmap_bh->b_data)) {
                         jbd_unlock_bh_state(bitmap_bh);
                         ext4_error(sb, __FUNCTION__,
-                                "bit already cleared for block "E3FSBLK,
-                                 block + i);
+                                   "bit already cleared for block "E3FSBLK,
+                                   (ext4_fsblk_t)(block + i));
                         jbd_lock_bh_state(bitmap_bh);
                         BUFFER_TRACE(bitmap_bh, "bit already cleared");
                 } else {
@@ -1351,7 +1351,7 @@ static int ext4_has_free_blocks(struct ext4_sb_info *sbi)
         ext4_fsblk_t free_blocks, root_blocks;
 
         free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
-        root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
+        root_blocks = ext4_r_blocks_count(sbi->s_es);
         if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
                 sbi->s_resuid != current->fsuid &&
                 (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) {
@@ -1462,7 +1462,7 @@ ext4_fsblk_t ext4_new_blocks(handle_t *handle, struct inode *inode,
          * First, test whether the goal block is free.
          */
         if (goal < le32_to_cpu(es->s_first_data_block) ||
-            goal >= le32_to_cpu(es->s_blocks_count))
+            goal >= ext4_blocks_count(es))
                 goal = le32_to_cpu(es->s_first_data_block);
         ext4_get_group_no_and_offset(sb, goal, &group_no, &grp_target_blk);
         goal_group = group_no;
@@ -1561,12 +1561,12 @@ allocated:
 
         ret_block = grp_alloc_blk + ext4_group_first_block_no(sb, group_no);
 
-        if (in_range(le32_to_cpu(gdp->bg_block_bitmap), ret_block, num) ||
-            in_range(le32_to_cpu(gdp->bg_inode_bitmap), ret_block, num) ||
-            in_range(ret_block, le32_to_cpu(gdp->bg_inode_table),
-                      EXT4_SB(sb)->s_itb_per_group) ||
-            in_range(ret_block + num - 1, le32_to_cpu(gdp->bg_inode_table),
-                      EXT4_SB(sb)->s_itb_per_group))
+        if (in_range(ext4_block_bitmap(gdp), ret_block, num) ||
+            in_range(ext4_block_bitmap(gdp), ret_block, num) ||
+            in_range(ret_block, ext4_inode_table(gdp),
+                     EXT4_SB(sb)->s_itb_per_group) ||
+            in_range(ret_block + num - 1, ext4_inode_table(gdp),
+                     EXT4_SB(sb)->s_itb_per_group))
                 ext4_error(sb, "ext4_new_block",
                             "Allocating block in system zone - "
                             "blocks from "E3FSBLK", length %lu",
@@ -1604,11 +1604,11 @@ allocated:
         jbd_unlock_bh_state(bitmap_bh);
 #endif
 
-        if (ret_block + num - 1 >= le32_to_cpu(es->s_blocks_count)) {
+        if (ret_block + num - 1 >= ext4_blocks_count(es)) {
                 ext4_error(sb, "ext4_new_block",
-                            "block("E3FSBLK") >= blocks count(%d) - "
+                            "block("E3FSBLK") >= blocks count("E3FSBLK") - "
                             "block_group = %lu, es == %p ", ret_block,
-                        le32_to_cpu(es->s_blocks_count), group_no, es);
+                        ext4_blocks_count(es), group_no, es);
                 goto out;
         }
 
@@ -1707,7 +1707,7 @@ ext4_fsblk_t ext4_count_free_blocks(struct super_block *sb)
         brelse(bitmap_bh);
         printk("ext4_count_free_blocks: stored = "E3FSBLK
                 ", computed = "E3FSBLK", "E3FSBLK"\n",
-               le32_to_cpu(es->s_free_blocks_count),
+               EXT4_FREE_BLOCKS_COUNT(es),
                 desc_count, bitmap_count);
         return bitmap_count;
 #else