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-rw-r--r--fs/fat/inode.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index d6b81e31f9f5..3bf60f19b6d3 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -1626,6 +1626,11 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat,
sb->s_magic = MSDOS_SUPER_MAGIC;
sb->s_op = &fat_sops;
sb->s_export_op = &fat_export_ops;
+ /*
+ * fat timestamps are complex and truncated by fat itself, so
+ * we set 1 here to be fast
+ */
+ sb->s_time_gran = 1;
mutex_init(&sbi->nfs_build_inode_lock);
ratelimit_state_init(&sbi->ratelimit, DEFAULT_RATELIMIT_INTERVAL,
DEFAULT_RATELIMIT_BURST);