Date: Thu, 18 Oct 2012 20:22:17 +0000 (UTC) From: Andre Oppermann <andre@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r241703 - head/sys/kern Message-ID: <201210182022.q9IKMHFa016360@svn.freebsd.org>
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Author: andre Date: Thu Oct 18 20:22:17 2012 New Revision: 241703 URL: http://svn.freebsd.org/changeset/base/241703 Log: Remove double-wrapping of #ifdef ZERO_COPY_SOCKETS within zero copy specialized sosend_copyin() helper function. Modified: head/sys/kern/uipc_socket.c Modified: head/sys/kern/uipc_socket.c ============================================================================== --- head/sys/kern/uipc_socket.c Thu Oct 18 19:28:31 2012 (r241702) +++ head/sys/kern/uipc_socket.c Thu Oct 18 20:22:17 2012 (r241703) @@ -890,9 +890,7 @@ sosend_copyin(struct uio *uio, struct mb long len; ssize_t resid; int error; -#ifdef ZERO_COPY_SOCKETS int cow_send; -#endif *retmp = top = NULL; mp = ⊤ @@ -900,11 +898,8 @@ sosend_copyin(struct uio *uio, struct mb resid = uio->uio_resid; error = 0; do { -#ifdef ZERO_COPY_SOCKETS cow_send = 0; -#endif /* ZERO_COPY_SOCKETS */ if (resid >= MINCLSIZE) { -#ifdef ZERO_COPY_SOCKETS if (top == NULL) { m = m_gethdr(M_WAITOK, MT_DATA); m->m_pkthdr.len = 0; @@ -924,15 +919,6 @@ sosend_copyin(struct uio *uio, struct mb m_clget(m, M_WAITOK); len = min(min(MCLBYTES, resid), *space); } -#else /* ZERO_COPY_SOCKETS */ - if (top == NULL) { - m = m_getcl(M_WAIT, MT_DATA, M_PKTHDR); - m->m_pkthdr.len = 0; - m->m_pkthdr.rcvif = NULL; - } else - m = m_getcl(M_WAIT, MT_DATA, 0); - len = min(min(MCLBYTES, resid), *space); -#endif /* ZERO_COPY_SOCKETS */ } else { if (top == NULL) { m = m_gethdr(M_WAIT, MT_DATA); @@ -957,11 +943,9 @@ sosend_copyin(struct uio *uio, struct mb } *space -= len; -#ifdef ZERO_COPY_SOCKETS if (cow_send) error = 0; else -#endif /* ZERO_COPY_SOCKETS */ error = uiomove(mtod(m, void *), (int)len, uio); resid = uio->uio_resid; m->m_len = len; @@ -980,7 +964,7 @@ out: *retmp = top; return (error); } -#endif /*ZERO_COPY_SOCKETS*/ +#endif /* ZERO_COPY_SOCKETS */ #define SBLOCKWAIT(f) (((f) & MSG_DONTWAIT) ? 0 : SBL_WAIT)
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