sysfs: Simplify iattr time assignments

The granularity of sysfs time when we keep it is 1 ns.  Which
when passed to timestamp_trunc results in a nop.  So remove
the unnecessary function call making sysfs_setattr slightly
easier to read.

Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 3 insertions, 6 deletions

diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index 000bd9865004..86fb230de432 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -104,14 +104,11 @@ int sysfs_setattr(struct dentry * dentry, struct iattr * iattr)
                 if (ia_valid & ATTR_GID)
                         iattrs->ia_gid = iattr->ia_gid;
                 if (ia_valid & ATTR_ATIME)
-                        iattrs->ia_atime = timespec_trunc(iattr->ia_atime,
-                                        inode->i_sb->s_time_gran);
+                        iattrs->ia_atime = iattr->ia_atime;
                 if (ia_valid & ATTR_MTIME)
-                        iattrs->ia_mtime = timespec_trunc(iattr->ia_mtime,
-                                        inode->i_sb->s_time_gran);
+                        iattrs->ia_mtime = iattr->ia_mtime;
                 if (ia_valid & ATTR_CTIME)
-                        iattrs->ia_ctime = timespec_trunc(iattr->ia_ctime,
-                                        inode->i_sb->s_time_gran);
+                        iattrs->ia_ctime = iattr->ia_ctime;
                 if (ia_valid & ATTR_MODE) {
                         umode_t mode = iattr->ia_mode;