* CDDL HEADER END
*/
/*
- * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include <assert.h>
int old_umask;
char realpath[MAXPATHLEN];
struct stat64 st;
+ int err;
/*
* If we're accessing a real disk from userland, we need to use
return (errno);
if (fstat64(fd, &st) == -1) {
+ err = errno;
close(fd);
- return (errno);
+ return (err);
}
(void) fcntl(fd, F_SETFD, FD_CLOEXEC);
vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len, offset_t offset,
int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp)
{
- ssize_t iolen, split;
+ ssize_t rc, done = 0, split;
if (uio == UIO_READ) {
- iolen = pread64(vp->v_fd, addr, len, offset);
+ rc = pread64(vp->v_fd, addr, len, offset);
} else {
/*
* To simulate partial disk writes, we split writes into two
* system calls so that the process can be killed in between.
*/
split = (len > 0 ? rand() % len : 0);
- iolen = pwrite64(vp->v_fd, addr, split, offset);
- iolen += pwrite64(vp->v_fd, (char *)addr + split,
- len - split, offset + split);
+ rc = pwrite64(vp->v_fd, addr, split, offset);
+ if (rc != -1) {
+ done = rc;
+ rc = pwrite64(vp->v_fd, (char *)addr + split,
+ len - split, offset + split);
+ }
}
- if (iolen == -1)
+ if (rc == -1)
return (errno);
+
+ done += rc;
+
if (residp)
- *residp = len - iolen;
- else if (iolen != len)
+ *residp = len - done;
+ else if (done != len)
return (EIO);
return (0);
}
{
char errmsg[] = "out of memory -- generating core dump\n";
- write(fileno(stderr), errmsg, sizeof (errmsg));
+ (void) fprintf(stderr, "%s", errmsg);
abort();
return (0);
}
return (buf);
}
+
+/* ARGSUSED */
+int
+zfs_onexit_fd_hold(int fd, minor_t *minorp)
+{
+ *minorp = 0;
+ return (0);
+}
+
+/* ARGSUSED */
+void
+zfs_onexit_fd_rele(int fd)
+{
+}
+
+/* ARGSUSED */
+int
+zfs_onexit_add_cb(minor_t minor, void (*func)(void *), void *data,
+ uint64_t *action_handle)
+{
+ return (0);
+}
+
+/* ARGSUSED */
+int
+zfs_onexit_del_cb(minor_t minor, uint64_t action_handle, boolean_t fire)
+{
+ return (0);
+}
+
+/* ARGSUSED */
+int
+zfs_onexit_cb_data(minor_t minor, uint64_t action_handle, void **data)
+{
+ return (0);
+}