Coarse-grained mtime update for better fsync() performance. - Hankeun Son; Seongjin Lee; Gyeongyeol Choi; Youjip Won (SAC, 2017)

Barrier-Enabled IO Stack for Flash Storage. - Youjip Won; Jaemin Jung; Gyeongyeol Choi; Joontaek Oh; Seongbae Son; Joo Young Hwang; Sangyeun Cho (FAST, 2018)

Analysis for the performance degradation of fsync() in F2FS. - Gyeongyeol Choi; Youjip Won (IC4E, 2018)

Bringing Order to Chaos: Barrier-Enabled I/O Stack for Flash Storage. - Youjip Won; Joontaek Oh; Jaemin Jung; Gyeongyeol Choi; Seongbae Son; Joo Young Hwang; Sangyeun Cho (ACM Trans. Storage, 2018)