OpenZFS restructuring - libspl

Factor Linux specific pieces out of libspl. Reviewed-by: Ryan Moeller <ryan@ixsystems.com> Reviewed-by: Sean Eric Fagan <sef@ixsystems.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Matt Macy <mmacy@FreeBSD.org> Closes #9336
2026-05-26 04:07:45 +03:00 · 2019-10-02 10:39:48 -07:00
parent 6360e2779e
commit d31277abb1
65 changed files with 127 additions and 443 deletions
@@ -0,0 +1,89 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (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
+ */
+/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
+/*  All Rights Reserved  */
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+/* Copyright 2006 Ricardo Correia */
+
+#ifndef _SYS_MNTTAB_H
+#define	_SYS_MNTTAB_H
+
+#include <stdio.h>
+#include <mntent.h>
+#include <sys/types.h>
+
+#ifdef MNTTAB
+#undef MNTTAB
+#endif /* MNTTAB */
+
+#define	MNTTAB		"/proc/self/mounts"
+#define	MNT_LINE_MAX	4096
+
+#define	MNT_TOOLONG	1	/* entry exceeds MNT_LINE_MAX */
+#define	MNT_TOOMANY	2	/* too many fields in line */
+#define	MNT_TOOFEW	3	/* too few fields in line */
+
+struct mnttab {
+	char *mnt_special;
+	char *mnt_mountp;
+	char *mnt_fstype;
+	char *mnt_mntopts;
+};
+
+/*
+ * NOTE: fields in extmnttab should match struct mnttab till new fields
+ * are encountered, this allows hasmntopt to work properly when its arg is
+ * a pointer to an extmnttab struct cast to a mnttab struct pointer.
+ */
+
+struct extmnttab {
+	char *mnt_special;
+	char *mnt_mountp;
+	char *mnt_fstype;
+	char *mnt_mntopts;
+	uint_t mnt_major;
+	uint_t mnt_minor;
+};
+
+struct stat64;
+struct statfs;
+
+extern int getmntany(FILE *fp, struct mnttab *mp, struct mnttab *mpref);
+extern int _sol_getmntent(FILE *fp, struct mnttab *mp);
+extern int getextmntent(const char *path, struct extmnttab *mp,
+    struct stat64 *statbuf);
+static inline char *_sol_hasmntopt(struct mnttab *mnt, char *opt)
+{
+	struct mntent mnt_new;
+
+	mnt_new.mnt_opts = mnt->mnt_mntopts;
+
+	return (hasmntopt(&mnt_new, opt));
+}
+
+#define	hasmntopt	_sol_hasmntopt
+#define	getmntent	_sol_getmntent
+
+#endif