f2fs: use timespec64 for inode timestamps

The on-disk representation and the vfs both use 64-bit tv_sec values,
so let's change the last missing piece in the middle.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/f2fs.h

@@ -669,8 +669,8 @@ struct f2fs_inode_info {
 	int i_extra_isize;		/* size of extra space located in i_addr */
 	kprojid_t i_projid;		/* id for project quota */
 	int i_inline_xattr_size;	/* inline xattr size */
-	struct timespec i_crtime;	/* inode creation time */
-	struct timespec i_disk_time[4];	/* inode disk times */
+	struct timespec64 i_crtime;	/* inode creation time */
+	struct timespec64 i_disk_time[4];/* inode disk times */
 };
 
 static inline void get_extent_info(struct extent_info *ext,
@@ -2519,7 +2519,6 @@ static inline void clear_file(struct inode *inode, int type)
 
 static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync)
 {
-	struct timespec ts;
 	bool ret;
 
 	if (dsync) {
@@ -2535,16 +2534,13 @@ static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync)
 			i_size_read(inode) & ~PAGE_MASK)
 		return false;
 
-	ts = timespec64_to_timespec(inode->i_atime);
-	if (!timespec_equal(F2FS_I(inode)->i_disk_time, &ts))
+	if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime))
 		return false;
-	ts = timespec64_to_timespec(inode->i_ctime);
-	if (!timespec_equal(F2FS_I(inode)->i_disk_time + 1, &ts))
+	if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime))
 		return false;
-	ts = timespec64_to_timespec(inode->i_mtime);
-	if (!timespec_equal(F2FS_I(inode)->i_disk_time + 2, &ts))
+	if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime))
 		return false;
-	if (!timespec_equal(F2FS_I(inode)->i_disk_time + 3,
+	if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 3,
 						&F2FS_I(inode)->i_crtime))
 		return false;
 

fs/f2fs/inode.c

@@ -304,9 +304,9 @@ static int do_read_inode(struct inode *inode)
 		fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec);
 	}
 
-	F2FS_I(inode)->i_disk_time[0] = timespec64_to_timespec(inode->i_atime);
-	F2FS_I(inode)->i_disk_time[1] = timespec64_to_timespec(inode->i_ctime);
-	F2FS_I(inode)->i_disk_time[2] = timespec64_to_timespec(inode->i_mtime);
+	F2FS_I(inode)->i_disk_time[0] = inode->i_atime;
+	F2FS_I(inode)->i_disk_time[1] = inode->i_ctime;
+	F2FS_I(inode)->i_disk_time[2] = inode->i_mtime;
 	F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime;
 	f2fs_put_page(node_page, 1);
 
@@ -477,9 +477,9 @@ void f2fs_update_inode(struct inode *inode, struct page *node_page)
 	if (inode->i_nlink == 0)
 		clear_inline_node(node_page);
 
-	F2FS_I(inode)->i_disk_time[0] = timespec64_to_timespec(inode->i_atime);
-	F2FS_I(inode)->i_disk_time[1] = timespec64_to_timespec(inode->i_ctime);
-	F2FS_I(inode)->i_disk_time[2] = timespec64_to_timespec(inode->i_mtime);
+	F2FS_I(inode)->i_disk_time[0] = inode->i_atime;
+	F2FS_I(inode)->i_disk_time[1] = inode->i_ctime;
+	F2FS_I(inode)->i_disk_time[2] = inode->i_mtime;
 	F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime;
 
 #ifdef CONFIG_F2FS_CHECK_FS

fs/f2fs/namei.c

@@ -51,7 +51,7 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
 	inode->i_ino = ino;
 	inode->i_blocks = 0;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
-	F2FS_I(inode)->i_crtime = timespec64_to_timespec(inode->i_mtime);
+	F2FS_I(inode)->i_crtime = inode->i_mtime;
 	inode->i_generation = sbi->s_next_generation++;
 
 	if (S_ISDIR(inode->i_mode))