Linux can't read large size from direct I/O NFS.
It is defined in fs/nfs/direct.c,
#define MAX_DIRECTIO_SIZE (4096UL << PAGE_SHIFT)
If remove O_DIRECT from growisofs.c, growisofs works fine.
--- growisofs.c.org 2006-01-27 06:16:54.000000000 +0900
+++ growisofs.c 2006-03-03 00:15:36.000000000 +0900
@@ -2501,11 +2501,7 @@
if (sscanf(in_image,"/dev/fd/%u",&imgfd) == 1)
imgfd = dup (imgfd); /* validate descriptor */
-#ifdef O_DIRECT
- else if ((imgfd = open64(in_image,O_RDONLY|O_DIRECT))<0)
-#else
else
-#endif
imgfd = open64(in_image,O_RDONLY);
if (imgfd < 0)
--
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