taglinefilesource code
PIPE_BUF56fs/pipe.cPIPE_START(*inode) &= (PIPE_BUF-1);
PIPE_BUF81fs/pipe.cif (count <= PIPE_BUF)
PIPE_BUF28include/linux/pipe_fs_i.h#define PIPE_FULL(inode)  (PIPE_SIZE(inode)==PIPE_BUF)
PIPE_BUF29include/linux/pipe_fs_i.h#define PIPE_FREE(inode)  (PIPE_BUF - PIPE_LEN(inode))
PIPE_BUF31include/linux/pipe_fs_i.h(PIPE_BUF-1))
PIPE_BUF32include/linux/pipe_fs_i.h#define PIPE_MAX_RCHUNK(inode)  (PIPE_BUF - PIPE_START(inode))
PIPE_BUF33include/linux/pipe_fs_i.h#define PIPE_MAX_WCHUNK(inode)  (PIPE_BUF - PIPE_END(inode))