CURRENT_TIME_SEC is not y2038 safe.
Replace use of CURRENT_TIME_SEC with ktime_get_real_seconds in segment timestamps used by GC algorithm including the segment mtime timestamps.
Signed-off-by: Deepa Dinamani deepa.kernel@gmail.com Cc: Jaegeuk Kim jaegeuk@kernel.org Cc: Changman Lee cm224.lee@samsung.com Cc: linux-f2fs-devel@lists.sourceforge.net --- fs/f2fs/segment.c | 2 +- fs/f2fs/segment.h | 5 +++-- 2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 25b1c47..9c35a21 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2156,7 +2156,7 @@ static int build_sit_info(struct f2fs_sb_info *sbi) sit_i->dirty_sentries = 0; sit_i->sents_per_block = SIT_ENTRY_PER_BLOCK; sit_i->elapsed_time = le64_to_cpu(sbi->ckpt->elapsed_time); - sit_i->mounted_time = CURRENT_TIME_SEC.tv_sec; + sit_i->mounted_time = ktime_get_real_seconds(); mutex_init(&sit_i->sentry_lock); return 0; } diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index d74cc33..78bb034 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -661,8 +661,9 @@ static inline void set_to_next_sit(struct sit_info *sit_i, unsigned int start) static inline unsigned long long get_mtime(struct f2fs_sb_info *sbi) { struct sit_info *sit_i = SIT_I(sbi); - return sit_i->elapsed_time + CURRENT_TIME_SEC.tv_sec - - sit_i->mounted_time; + time64_t now = ktime_get_real_seconds(); + + return sit_i->elapsed_time + now - sit_i->mounted_time; }
static inline void set_summary(struct f2fs_summary *sum, nid_t nid,