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f2fs: align data types between on-disk and in-memory block addresses

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The on-disk block address is defined as __le32, but in-memory block address,
block_t, does as u64.

Let's synchronize them to 32 bits.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim 2013-05-24 12:41:04 +09:00
parent f28c06fa6f
commit a9841c4dbb
2 changed files with 6 additions and 3 deletions
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5
fs/f2fs/f2fs.h
View File

@ -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 {

4
include/linux/f2fs_fs.h
View File

@ -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)