#include <sys/processor.h>
#include <sys/zfs_context.h>
#include <sys/utsname.h>
+#include <sys/time.h>
#include <sys/systeminfo.h>
/*
* for its size. So -- gag -- we open the block device to get
* its size, and remember it for subsequent VOP_GETATTR().
*/
+#if defined(__sun__) || defined(__sun)
if (strncmp(path, "/dev/", 5) == 0) {
+#else
+ if (0) {
+#endif
char *dsk;
fd = open64(path, O_RDONLY);
if (fd == -1) {
}
}
+ if (!(flags & FCREAT) && S_ISBLK(st.st_mode)) {
+#ifdef __linux__
+ flags |= O_DIRECT;
+#endif
+ /* We shouldn't be writing to block devices in userspace */
+ VERIFY(!(flags & FWRITE));
+ }
+
if (flags & FCREAT)
old_umask = umask(0);
if (fd == -1)
return (errno);
- if (fstat64(fd, &st) == -1) {
+ if (fstat64_blk(fd, &st) == -1) {
err = errno;
close(fd);
return (err);
}
}
+#ifdef __linux__
+ if (rc == -1 && errno == EINVAL) {
+ /*
+ * Under Linux, this most likely means an alignment issue
+ * (memory or disk) due to O_DIRECT, so we abort() in order to
+ * catch the offender.
+ */
+ abort();
+ }
+#endif
if (rc == -1)
return (errno);
fop_getattr(vnode_t *vp, vattr_t *vap)
{
struct stat64 st;
+ int err;
- if (fstat64(vp->v_fd, &st) == -1) {
+ if (fstat64_blk(vp->v_fd, &st) == -1) {
+ err = errno;
close(vp->v_fd);
- return (errno);
+ return (err);
}
vap->va_size = st.st_size;