The patch titled
Subject: fs: f2fs: use ktime_get_real_seconds for sit_info times
has been added to the -mm tree. Its filename is
fs-f2fs-use-ktime_get_real_seconds-for-sit_info-times.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fs-f2fs-use-ktime_get_real_seconds-for-sit_info-times.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fs-f2fs-use-ktime_get_real_seconds-for-sit_info-times.patch
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------------------------------------------------------
From: Deepa Dinamani <deepa.kernel@xxxxxxxxx>
Subject: fs: f2fs: use ktime_get_real_seconds for sit_info times
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.
Link: http://lkml.kernel.org/r/1491613030-11599-2-git-send-email-deepa.kernel@xxxxxxxxx
Signed-off-by: Deepa Dinamani <deepa.kernel@xxxxxxxxx>
Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Cc: Chao Yu <yuchao0@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/f2fs/segment.c | 2 +-
fs/f2fs/segment.h | 5 +++--
2 files changed, 4 insertions(+), 3 deletions(-)
diff -puN fs/f2fs/segment.c~fs-f2fs-use-ktime_get_real_seconds-for-sit_info-times fs/f2fs/segment.c
--- a/fs/f2fs/segment.c~fs-f2fs-use-ktime_get_real_seconds-for-sit_info-times
+++ a/fs/f2fs/segment.c
@@ -2678,7 +2678,7 @@ static int build_sit_info(struct f2fs_sb
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 -puN fs/f2fs/segment.h~fs-f2fs-use-ktime_get_real_seconds-for-sit_info-times fs/f2fs/segment.h
--- a/fs/f2fs/segment.h~fs-f2fs-use-ktime_get_real_seconds-for-sit_info-times
+++ a/fs/f2fs/segment.h
@@ -692,8 +692,9 @@ static inline void set_to_next_sit(struc
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,
_
Patches currently in -mm which might be from deepa.kernel@xxxxxxxxx are
fs-f2fs-use-ktime_get_real_seconds-for-sit_info-times.patch
trace-make-trace_hwlat-timestamp-y2038-safe.patch
fs-cifs-replace-current_time-by-other-appropriate-apis.patch
fs-ceph-current_time-with-ktime_get_real_ts.patch
fs-ufs-use-ktime_get_real_ts64-for-birthtime.patch
audit-use-timespec64-to-represent-audit-timestamps.patch
fs-btrfs-use-ktime_get_real_ts-for-root-ctime.patch
fs-ubifs-replace-current_time_sec-with-current_time.patch
lustre-replace-current_time-macro.patch
apparmorfs-replace-current_time-with-current_time.patch
time-delete-current_time_sec-and-current_time.patch
time-delete-current_fs_time-function.patch
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