timestamp_truncate
attr->ia_atime = timestamp_truncate(attr->ia_atime, inode);
attr->ia_ctime = timestamp_truncate(attr->ia_ctime, inode);
attr->ia_mtime = timestamp_truncate(attr->ia_mtime, inode);
return timestamp_truncate(now, inode);
EXPORT_SYMBOL(timestamp_truncate);
now = timestamp_truncate(now, inode);
now = timestamp_truncate(now, inode);
update = timestamp_truncate(update, inode);
fattr->cf_mtime = timestamp_truncate(fattr->cf_mtime, inode);
fattr->cf_mtime = timestamp_truncate(fattr->cf_mtime, inode);
fattr->cf_atime = timestamp_truncate(fattr->cf_atime, inode);
fattr->cf_ctime = timestamp_truncate(fattr->cf_ctime, inode);
*ts = timestamp_truncate(*ts, VFS_I(ip));
struct timespec64 timestamp_truncate(struct timespec64 t, struct inode *inode);