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-rw-r--r--fs/f2fs/f2fs.h5
-rw-r--r--include/linux/f2fs_fs.h4
2 files changed, 6 insertions, 3 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 7b050298d6c..92fd4e9285c 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -37,7 +37,10 @@
typecheck(unsigned long long, b) && \
((long long)((a) - (b)) > 0))
-typedef u64 block_t;
+typedef u32 block_t; /*
+ * should not change u32, since it is the on-disk block
+ * address format, __le32.
+ */
typedef u32 nid_t;
struct f2fs_mount_info {
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index df6fab82f87..383d5e39b28 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -20,8 +20,8 @@
#define F2FS_BLKSIZE 4096 /* support only 4KB block */
#define F2FS_MAX_EXTENSION 64 /* # of extension entries */
-#define NULL_ADDR 0x0U
-#define NEW_ADDR -1U
+#define NULL_ADDR ((block_t)0) /* used as block_t addresses */
+#define NEW_ADDR ((block_t)-1) /* used as block_t addresses */
#define F2FS_ROOT_INO(sbi) (sbi->root_ino_num)
#define F2FS_NODE_INO(sbi) (sbi->node_ino_num)