The Diamondbacks transferred Jarvis (elbow) from the 15-day injured list to the 60-day injured list Tuesday, Jesse Friedman of GoPHNX.com reports.
The Diamondbacks placed Jarvis on the 15-day injured list Friday due to a sprained right elbow.
Jarvis (1-2) picked up the win over the Dodgers on Wednesday, pitching 2.1 scoreless innings in relief while allowing one hit and two walks. He struck out one.
Jarvis (0-2) was the losing pitcher in Saturday's 5-4 extra-innings loss to Baltimore. He allowed one run on one hit and two walks while striking out one over one-plus innings.
Jarvis allowed one hit and one walk while striking out three over 2.2 scoreless innings in Wednesday's 5-3 win over Colorado.
Jarvis allowed two runs on three hits and two walks while striking out four batters over three relief innings in Saturday's 9-4 loss to the Rockies.
Jarvis will begin the season as a reliever, Steve Gilbert of MLB.com reports.
Jarvis is still in the mix for the fifth starter job, Steve Gilbert of MLB.com reports.
Jarvis allowed five runs on four hits and two walks while striking out one over two-thirds of an inning in Sunday's spring game against the Brewers.
Jarvis isn't on the Diamondbacks' NLDS roster, Alex Weiner of ArizonaSports.com reports.