omfs: convert to new timestamp accessors

Convert to using the new inode timestamp accessor functions.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20231004185347.80880-55-jlayton@kernel.orgSigned-off-by: Christian Brauner <brauner@kernel.org>

fs/omfs/inode.c

@@ -51,7 +51,7 @@ struct inode *omfs_new_inode(struct inode *dir, umode_t mode)
 	inode_init_owner(&nop_mnt_idmap, inode, NULL, mode);
 	inode->i_mapping->a_ops = &omfs_aops;
 
-	inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
+	simple_inode_init_ts(inode);
 	switch (mode & S_IFMT) {
 	case S_IFDIR:
 		inode->i_op = &omfs_dir_inops;
@@ -134,8 +134,8 @@ static int __omfs_write_inode(struct inode *inode, int wait)
 	oi->i_head.h_magic = OMFS_IMAGIC;
 	oi->i_size = cpu_to_be64(inode->i_size);
 
-	ctime = inode_get_ctime(inode).tv_sec * 1000LL +
-		((inode_get_ctime(inode).tv_nsec + 999)/1000);
+	ctime = inode_get_ctime_sec(inode) * 1000LL +
+		((inode_get_ctime_nsec(inode) + 999)/1000);
 	oi->i_ctime = cpu_to_be64(ctime);
 
 	omfs_update_checksums(oi);
@@ -230,11 +230,9 @@ struct inode *omfs_iget(struct super_block *sb, ino_t ino)
 	ctime = be64_to_cpu(oi->i_ctime);
 	nsecs = do_div(ctime, 1000) * 1000L;
 
-	inode->i_atime.tv_sec = ctime;
-	inode->i_mtime.tv_sec = ctime;
+	inode_set_atime(inode, ctime, nsecs);
+	inode_set_mtime(inode, ctime, nsecs);
 	inode_set_ctime(inode, ctime, nsecs);
-	inode->i_atime.tv_nsec = nsecs;
-	inode->i_mtime.tv_nsec = nsecs;
 
 	inode->i_mapping->a_ops = &omfs_aops;