ext4: Make ext4_group_t be an unsigned int

Nearly all places in the ext3/4 code which uses "unsigned long" is
probably a bug, since on 32-bit systems a ulong a 32-bits, which means
we are wasting stack space on 64-bit systems.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 4794d2ce613..cac3617ec78 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -74,7 +74,7 @@ unsigned ext4_init_inode_bitmap(struct super_block *sb, struct buffer_head *bh,
         /* If checksum is bad mark all blocks and inodes use to prevent
          * allocation, essentially implementing a per-group read-only flag. */
         if (!ext4_group_desc_csum_verify(sbi, block_group, gdp)) {
-                ext4_error(sb, __func__, "Checksum bad for group %lu",
+                ext4_error(sb, __func__, "Checksum bad for group %u",
                            block_group);
                 gdp->bg_free_blocks_count = 0;
                 gdp->bg_free_inodes_count = 0;
@@ -111,7 +111,7 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
         if (unlikely(!bh)) {
                 ext4_error(sb, __func__,
                             "Cannot read inode bitmap - "
-                            "block_group = %lu, inode_bitmap = %llu",
+                            "block_group = %u, inode_bitmap = %llu",
                             block_group, bitmap_blk);
                 return NULL;
         }
@@ -133,7 +133,7 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
                 put_bh(bh);
                 ext4_error(sb, __func__,
                             "Cannot read inode bitmap - "
-                            "block_group = %lu, inode_bitmap = %llu",
+                            "block_group = %u, inode_bitmap = %llu",
                             block_group, bitmap_blk);
                 return NULL;
         }
@@ -690,7 +690,7 @@ got:
             ino > EXT4_INODES_PER_GROUP(sb)) {
                 ext4_error(sb, __func__,
                            "reserved inode or inode > inodes count - "
-                           "block_group = %lu, inode=%lu", group,
+                           "block_group = %u, inode=%lu", group,
                            ino + group * EXT4_INODES_PER_GROUP(sb));
                 err = -EIO;
                 goto fail;