1 files changed, 52 insertions, 0 deletions
diff --git a/lib/libzfs/os/linux/libzfs_sendrecv_os.c b/lib/libzfs/os/linux/libzfs_sendrecv_os.c
new file mode 100644
index 000000000000..eeb1f07f2dea
--- /dev/null
+++ b/lib/libzfs/os/linux/libzfs_sendrecv_os.c
@@ -0,0 +1,52 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+
+#include <libzfs.h>
+
+#include "libzfs_impl.h"
+
+#ifndef F_SETPIPE_SZ
+#define	F_SETPIPE_SZ (F_SETLEASE + 7)
+#endif /* F_SETPIPE_SZ */
+
+#ifndef F_GETPIPE_SZ
+#define	F_GETPIPE_SZ (F_GETLEASE + 7)
+#endif /* F_GETPIPE_SZ */
+
+void
+libzfs_set_pipe_max(int infd)
+{
+	FILE *procf = fopen("/proc/sys/fs/pipe-max-size", "r");
+
+	if (procf != NULL) {
+		unsigned long max_psize;
+		long cur_psize;
+		if (fscanf(procf, "%lu", &max_psize) > 0) {
+			cur_psize = fcntl(infd, F_GETPIPE_SZ);
+			if (cur_psize > 0 &&
+			    max_psize > (unsigned long) cur_psize)
+				fcntl(infd, F_SETPIPE_SZ,
+				    max_psize);
+		}
+		fclose(procf);
+	}
+}