D30517.id.diff
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D30517.id.diff
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	diff --git a/sys/compat/linux/linux_file.c b/sys/compat/linux/linux_file.c
	--- a/sys/compat/linux/linux_file.c
	+++ b/sys/compat/linux/linux_file.c
	@@ -45,6 +45,8 @@
	#include <sys/mount.h>
	#include <sys/mutex.h>
	#include <sys/namei.h>
	+#include <sys/selinfo.h>
	+#include <sys/pipe.h>
	#include <sys/proc.h>
	#include <sys/stat.h>
	#include <sys/sx.h>
	@@ -1524,6 +1526,7 @@
	{
	struct l_flock linux_flock;
	struct flock bsd_flock;
	+ struct pipe *fpipe;
	struct file *fp;
	long arg;
	int error, result;
	@@ -1655,6 +1658,21 @@
	case LINUX_F_ADD_SEALS:
	return (kern_fcntl(td, args->fd, F_ADD_SEALS,
	linux_to_bsd_bits(args->arg, seal_bitmap, 0)));
	+
	+ case LINUX_F_GETPIPE_SZ:
	+ error = fget(td, args->fd,
	+ &cap_fcntl_rights, &fp);
	+ if (error != 0)
	+ return (error);
	+ if (fp->f_type != DTYPE_PIPE) {
	+ fdrop(fp, td);
	+ return (EINVAL);
	+ }
	+ fpipe = fp->f_data;
	+ td->td_retval[0] = fpipe->pipe_buffer.size;
	+ fdrop(fp, td);
	+ return (0);
	+
	default:
	linux_msg(td, "unsupported fcntl cmd %d", args->cmd);
	return (EINVAL);