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>
diff --git a/fs/ext4/ext4_i.h b/fs/ext4/ext4_i.h
index acc0b72..0a9ebe5 100644
--- a/fs/ext4/ext4_i.h
+++ b/fs/ext4/ext4_i.h
@@ -31,7 +31,7 @@
typedef __u32 ext4_lblk_t;
/* data type for block group number */
-typedef unsigned long ext4_group_t;
+typedef unsigned int ext4_group_t;
#define rsv_start rsv_window._rsv_start
#define rsv_end rsv_window._rsv_end