taglinefilesource code
S_IRUSR410fs/inode.cinode->i_mode |= S_IFIFO | S_IRUSR | S_IWUSR;
S_IRUSR444fs/msdos/inode.c& ~MSDOS_SB(inode->i_sb)->fs_umask) | S_IRUSR) >> 6)*S_IXUGO)) &
S_IRUSR122fs/proc/inode.cinode->i_mode = S_IFREG | S_IRUSR;
S_IRUSR144fs/proc/inode.cinode->i_mode = S_IFREG | S_IRUSR | S_IWUSR;
S_IRUSR155fs/proc/inode.cinode->i_mode = S_IFDIR | S_IRUSR | S_IXUSR;
S_IRUSR83include/linux/stat.h#define S_IRUGO    (S_IRUSR|S_IRGRP|S_IROTH)