2 files changed, 24 insertions, 0 deletions

diff --git a/fs/inode.c b/fs/inode.c
index 7e3ef3af3db9..2172d0f77011 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -2049,3 +2049,26 @@ void inode_nohighmem(struct inode *inode)
         mapping_set_gfp_mask(inode->i_mapping, GFP_USER);
 }
 EXPORT_SYMBOL(inode_nohighmem);
+
+/**
+ * current_time - Return FS time
+ * @inode: inode.
+ *
+ * Return the current time truncated to the time granularity supported by
+ * the fs.
+ *
+ * Note that inode and inode->sb cannot be NULL.
+ * Otherwise, the function warns and returns time without truncation.
+ */
+struct timespec current_time(struct inode *inode)
+{
+        struct timespec now = current_kernel_time();
+
+        if (unlikely(!inode->i_sb)) {
+                WARN(1, "current_time() called with uninitialized super_block in the inode");
+                return now;
+        }
+
+        return timespec_trunc(now, inode->i_sb->s_time_gran);
+}
+EXPORT_SYMBOL(current_time);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 901e25d495cc..32ce6b31a61b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1459,6 +1459,7 @@ static inline void i_gid_write(struct inode *inode, gid_t gid)
 }
 
 extern struct timespec current_fs_time(struct super_block *sb);
+extern struct timespec current_time(struct inode *inode);
 
 /*
  * Snapshotting support.