From: Eric Sandeen Date: Fri, 17 Apr 2020 05:43:49 +0000 (+0900) Subject: exfat: properly set s_time_gran X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=674a9985b8e35288225f2b67829a7dee3bf761da;p=linux.git exfat: properly set s_time_gran The s_time_gran superblock field indicates the on-disk nanosecond granularity of timestamps, and for exfat that seems to be 10ms, so set s_time_gran to 10000000ns. Without this, in-memory timestamps change when they get re-read from disk. Signed-off-by: Eric Sandeen Signed-off-by: Namjae Jeon --- diff --git a/fs/exfat/super.c b/fs/exfat/super.c index cb5eac38102d9..ee42ecf59059a 100644 --- a/fs/exfat/super.c +++ b/fs/exfat/super.c @@ -529,7 +529,7 @@ static int exfat_fill_super(struct super_block *sb, struct fs_context *fc) sb->s_magic = EXFAT_SUPER_MAGIC; sb->s_op = &exfat_sops; - sb->s_time_gran = 1; + sb->s_time_gran = 10 * NSEC_PER_MSEC; sb->s_time_min = EXFAT_MIN_TIMESTAMP_SECS; sb->s_time_max = EXFAT_MAX_TIMESTAMP_SECS;