taglinefilesource code
PIPE_SIZE53fs/pipe.cwhile (count>0 && (size = PIPE_SIZE(*inode))) {
PIPE_SIZE148fs/pipe.cput_user(PIPE_SIZE(*pino),(int *) arg);
PIPE_SIZE216fs/pipe.cwhile (!PIPE_SIZE(*inode)) {
PIPE_SIZE38fs/stat.ctmp.st_size = PIPE_SIZE(*inode);
PIPE_SIZE62fs/stat.ctmp.st_size = PIPE_SIZE(*inode);
PIPE_SIZE27include/linux/pipe_fs_i.h#define PIPE_EMPTY(inode)  (PIPE_SIZE(inode)==0)
PIPE_SIZE28include/linux/pipe_fs_i.h#define PIPE_FULL(inode)  (PIPE_SIZE(inode)==PIPE_BUF)