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authorJack Qiu <jack.qiu@huawei.com>2020-07-29 09:29:01 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2020-08-03 10:32:51 -0700
commit8fa41016f098b5ea5b48ffc6042ecaf0282b809b (patch)
tree92274091bd80772f4e19dabed0b3c3c4c8a4265b /fs/f2fs/verity.c
parent1fd280188d1f1e7318264a34aba435f3b69e71e8 (diff)
downloadlinux-8fa41016f098b5ea5b48ffc6042ecaf0282b809b.tar.gz
f2fs: use macro instead of f2fs verity version
Because fsverity_descriptor_location.version is constant,
so use macro for better reading.

Signed-off-by: Jack Qiu <jack.qiu@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/verity.c')
-rw-r--r--fs/f2fs/verity.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/f2fs/verity.c b/fs/f2fs/verity.c
index 865c9fb774fb..9eb0dba851e8 100644
--- a/fs/f2fs/verity.c
+++ b/fs/f2fs/verity.c
@@ -29,6 +29,8 @@
 #include "f2fs.h"
 #include "xattr.h"
 
+#define F2FS_VERIFY_VER	(1)
+
 static inline loff_t f2fs_verity_metadata_pos(const struct inode *inode)
 {
 	return round_up(inode->i_size, 65536);
@@ -152,7 +154,7 @@ static int f2fs_end_enable_verity(struct file *filp, const void *desc,
 	struct inode *inode = file_inode(filp);
 	u64 desc_pos = f2fs_verity_metadata_pos(inode) + merkle_tree_size;
 	struct fsverity_descriptor_location dloc = {
-		.version = cpu_to_le32(1),
+		.version = cpu_to_le32(F2FS_VERIFY_VER),
 		.size = cpu_to_le32(desc_size),
 		.pos = cpu_to_le64(desc_pos),
 	};
@@ -199,7 +201,7 @@ static int f2fs_get_verity_descriptor(struct inode *inode, void *buf,
 			    F2FS_XATTR_NAME_VERITY, &dloc, sizeof(dloc), NULL);
 	if (res < 0 && res != -ERANGE)
 		return res;
-	if (res != sizeof(dloc) || dloc.version != cpu_to_le32(1)) {
+	if (res != sizeof(dloc) || dloc.version != cpu_to_le32(F2FS_VERIFY_VER)) {
 		f2fs_warn(F2FS_I_SB(inode), "unknown verity xattr format");
 		return -EINVAL;
 	}