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, 5 insertions, 5 deletions

diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 0cb1c4572f54..a711898923f0 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -100,7 +100,7 @@ unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh,
                  * 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", block_group);
+                                  "Checksum bad for group %u", block_group);
                         gdp->bg_free_blocks_count = 0;
                         gdp->bg_free_inodes_count = 0;
                         gdp->bg_itable_unused = 0;
@@ -213,7 +213,7 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb,
         if (block_group >= sbi->s_groups_count) {
                 ext4_error(sb, "ext4_get_group_desc",
                            "block_group >= groups_count - "
-                           "block_group = %lu, groups_count = %lu",
+                           "block_group = %u, groups_count = %u",
                            block_group, sbi->s_groups_count);
 
                 return NULL;
@@ -225,7 +225,7 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb,
         if (!sbi->s_group_desc[group_desc]) {
                 ext4_error(sb, "ext4_get_group_desc",
                            "Group descriptor not loaded - "
-                           "block_group = %lu, group_desc = %lu, desc = %lu",
+                           "block_group = %u, group_desc = %lu, desc = %lu",
                            block_group, group_desc, offset);
                 return NULL;
         }
@@ -315,7 +315,7 @@ ext4_read_block_bitmap(struct super_block *sb, ext4_group_t block_group)
         if (unlikely(!bh)) {
                 ext4_error(sb, __func__,
                             "Cannot read block bitmap - "
-                            "block_group = %lu, block_bitmap = %llu",
+                            "block_group = %u, block_bitmap = %llu",
                             block_group, bitmap_blk);
                 return NULL;
         }
@@ -337,7 +337,7 @@ ext4_read_block_bitmap(struct super_block *sb, ext4_group_t block_group)
                 put_bh(bh);
                 ext4_error(sb, __func__,
                             "Cannot read block bitmap - "
-                            "block_group = %lu, block_bitmap = %llu",
+                            "block_group = %u, block_bitmap = %llu",
                             block_group, bitmap_blk);
                 return NULL;
         }