added readv, writev (missing preadv... (35b198ec) · Commits · hpc / gekkofs

include/client/user_functions.hpp

+10 −2

Original line number	Diff line number	Diff line
		@@ -43,9 +43,11 @@
		#include <cstdint>
		#include <vector>


		extern "C" {
		#include <sys/types.h>
		#include <sys/stat.h>
		#include <sys/uio.h>
		}

		struct linux_dirent;
		@@ -83,6 +85,14 @@ gkfs_pwrite(int fd, const void* buf, size_t count, off64_t offset);
		ssize_t
		gkfs_pread(int fd, void* buf, size_t count, off64_t offset);


		ssize_t
		gkfs_readv(int fd, const struct iovec* iov, int iovcnt);

		ssize_t
		gkfs_writev(int fd, const struct iovec* iov, int iovcnt);


		int
		gkfs_stat(const std::string& path, struct stat* buf, bool follow_links = true);

		@@ -126,8 +136,6 @@ gkfs_readlink(const std::string& path, char* buf, int bufsize);
		#endif




		} // namespace syscall
		namespace malleable {

src/client/gkfs_libc.cpp

+53 −0

Original line number	Diff line number	Diff line
		@@ -216,6 +216,29 @@ DLSYM_WRAPPER(ssize_t, read, (int fd, void* buf, size_t nbyte),
		(fd, buf, nbyte), "read")
		DLSYM_WRAPPER(ssize_t, write, (int fd, const void* buf, size_t nbyte),
		(fd, buf, nbyte), "write")
		/*
		ssize_t readv(int fd, const struct iovec *iov, int iovcnt);

		ssize_t writev(int fd, const struct iovec *iov, int iovcnt);

		ssize_t preadv(int fd, const struct iovec *iov, int iovcnt,
		off_t offset);

		ssize_t pwritev(int fd, const struct iovec *iov, int iovcnt,
		off_t offset);

		ssize_t preadv2(int fd, const struct iovec *iov, int iovcnt,
		off_t offset, int flags);

		ssize_t pwritev2(int fd, const struct iovec *iov, int iovcnt,
		off_t offset, int flags);
		*/
		DLSYM_WRAPPER(ssize_t, readv, (int fd, const struct iovec* iov, int iovcnt),
		(fd, iov, iovcnt), "readv")
		DLSYM_WRAPPER(ssize_t, writev, (int fd, const struct iovec* iov, int iovcnt),
		(fd, iov, iovcnt), "writev")


		DLSYM_WRAPPER(int, mkdir, (const char* path, mode_t mode), (path, mode),
		"mkdir")
		DLSYM_WRAPPER(int, rmdir, (const char* path), (path), "rmdir")
		@@ -2080,3 +2103,33 @@ readlinkat(int dfd, const char* path, char* buf, size_t bufsize) {
		GKFS_FALLBACK(readlinkat, dfd, path, buf, bufsize);
		}
		#endif


		ssize_t
		readv(int fd, const struct iovec* iov, int iovcnt) {
		initializeGekko();
		GKFS_OPERATION(readv, fd, iov, iovcnt)
		GKFS_FALLBACK(readv, fd, iov, iovcnt)
		}


		ssize_t
		writev(int fd, const struct iovec* iov, int iovcnt) {
		initializeGekko();
		GKFS_OPERATION(writev, fd, iov, iovcnt)
		GKFS_FALLBACK(writev, fd, iov, iovcnt)
		}

		/*
		ssize_t preadv(int fd, const struct iovec *iov, int iovcnt,
		off_t offset);

		ssize_t pwritev(int fd, const struct iovec *iov, int iovcnt,
		off_t offset);

		ssize_t preadv2(int fd, const struct iovec *iov, int iovcnt,
		off_t offset, int flags);

		ssize_t pwritev2(int fd, const struct iovec *iov, int iovcnt,
		off_t offset, int flags);
		*/
		No newline at end of file