[Libsysio-commit] b_lustre: libsysio/include bypass.h

[Mei <me...@us...>]

Update of /cvsroot/libsysio/libsysio/include
In directory sc8-pr-cvs1:/tmp/cvs-serv28176/include

Added Files:
      Tag: b_lustre
	bypass.h 
Log Message:
initially add bypass mechanism, only for fcntl, read, write



--- NEW FILE ---
#ifndef __LIBSYSIO_BYPASS_H_
#define __LIBSYSIO_BYPASS_H_

//#define __LIBSYSIO_DEBUG__

#define ERROR(fmt, arg...) 						\
	do {								\
		printf("sysio error: (%s:%d):", __FILE__, __LINE__);	\
		printf(fmt, ##arg);					\
	} while(0)

#ifdef __LIBSYSIO_DEBUG__
#define DEBUG(fmt, arg...) 						\
	do {								\
		printf("sysio: (%s:%d):", __FILE__, __LINE__);	\
		printf(fmt, ##arg);					\
	} while(0)

#else
#define DEBUG(fmt, arg...) do{}while(0)
#endif /* __LIBSYSIO_DEBUG__ */

ioid_t __bypass_ireadv(int fd, const struct iovec *iov, int count);
ioid_t __bypass_preadv(int fd, const struct iovec *iov, int count, off_t offset);
ioid_t __bypass_iwritev(int fd, const struct iovec *iov, int count);
ioid_t __bypass_pwritev(int fd, const struct iovec *iov, int count, off_t offset);
int __bypass_fcntl(int fd, int cmd, va_list ap);

#endif /* __LIBSYSIO_BYPASS_H_ */