On 2018/06/20 16:50, Arnd Bergmann wrote:
The mount time field in the superblock uses a 64-bit timestamp, but
calling get_seconds() may truncate the current time to 32 bits.
This changes it to ktime_get_real_seconds() to avoid the potential
overflow.
Signed-off-by: Arnd Bergmann <[email protected]>
Looks good to me.
Thanks, all.
Acked-by: Ryusuke Konishi <[email protected]>
---
fs/nilfs2/super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 6ffeca84d7c3..1b9067cf4511 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -834,7 +834,7 @@ static int nilfs_setup_super(struct super_block *sb, int
is_mount)
sbp[0]->s_max_mnt_count = cpu_to_le16(NILFS_DFL_MAX_MNT_COUNT);
sbp[0]->s_mnt_count = cpu_to_le16(mnt_count + 1);
- sbp[0]->s_mtime = cpu_to_le64(get_seconds());
+ sbp[0]->s_mtime = cpu_to_le64(ktime_get_real_seconds());
skip_mount_setup:
sbp[0]->s_state =
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