Date: Sun, 11 Jan 2009 05:36:59 +0300 From: pluknet <pluknet@gmail.com> To: "Tim Kientzle" <kientzle@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: extattr problems? Message-ID: <a31046fc0901101836q1f43028awe4f7b0ba746248ac@mail.gmail.com> In-Reply-To: <49692659.2030306@freebsd.org> References: <49692659.2030306@freebsd.org>
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2009/1/11 Tim Kientzle <kientzle@freebsd.org>: > FreeBSD 6.3: > > fd = open("test", O_WRONLY | O_CREAT | O_EXCL, 0777); > n = extattr_set_fd(fd, EXTATTR_NAMESPACE_USER, "testattr", "1234", 4); > > After this, fd=3, n is non-zero, errno = 9 (EBADF) > > Huh? I would have expected EOPNOTSUPP if > extended attributes weren't supported on this > filesystem. The file descriptor is clearly > valid. Simple guess. Don't hit me if I'm wrong. :) You call open() with (O_CREAT | O_EXCL) on an already existing file. If such then open() returns -1 with EEXIST and subsequent extattr_set_fd() call with fd (-1) returns EBADF from getvnode() on failed (td->td_proc->p_fd == NULL) or (fp = fdp->fd_ofiles[fd]) == NULL) checks. > > Tim -- wbr, pluknet
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