[PATCH] ext4: switch fsblk to sector_t
Redefine ext3 in-kernel filesystem block type (ext3_fsblk_t) from unsigned
long to sector_t, to allow kernel to handle >32 bit ext3 blocks.
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/ext4_fs_i.h b/include/linux/ext4_fs_i.h
index 40ce04a..b2ccd98 100644
--- a/include/linux/ext4_fs_i.h
+++ b/include/linux/ext4_fs_i.h
@@ -25,9 +25,13 @@
typedef int ext4_grpblk_t;
/* data type for filesystem-wide blocks number */
-typedef unsigned long ext4_fsblk_t;
+typedef sector_t ext4_fsblk_t;
+#if BITS_PER_LONG == 64
#define E3FSBLK "%lu"
+#else
+#define E3FSBLK "%llu"
+#endif
struct ext4_reserve_window {
ext4_fsblk_t _rsv_start; /* First byte reserved */