[f2fs-dev] [PATCH v2] f2fs: use macro instead of f2fs verity version

[f2fs-dev] [PATCH v2] f2fs: use macro instead of f2fs verity version

[Jack Qiu]

Because fsverity_descriptor_location.version is constant,
so use macro for better reading.

Signed-off-by: Jack Qiu <jack.qiu@huawei.com>
---
 fs/f2fs/verity.c | 6 ++++--
 1 file 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;
 	}
--
2.17.1



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Re: [f2fs-dev] [PATCH v2] f2fs: use macro instead of f2fs verity version

[Chao Yu]

On 2020/7/29 9:29, Jack Qiu wrote:
> 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>

Thanks,


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