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From: John Baldwin <jhb@FreeBSD.org>
Date: Mon, 4 Mar 2013 18:28:24 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r247808 - stable/8/sys/compat/linprocfs
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Author: jhb
Date: Mon Mar  4 18:28:24 2013
New Revision: 247808
URL: http://svnweb.freebsd.org/changeset/base/247808

Log:
  MFC 205541,205592:
  Implement /proc/filesystems.
  
  PR:		kern/142595

Modified:
  stable/8/sys/compat/linprocfs/linprocfs.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/compat/   (props changed)

Modified: stable/8/sys/compat/linprocfs/linprocfs.c
==============================================================================
--- stable/8/sys/compat/linprocfs/linprocfs.c	Mon Mar  4 18:07:28 2013	(r247807)
+++ stable/8/sys/compat/linprocfs/linprocfs.c	Mon Mar  4 18:28:24 2013	(r247808)
@@ -1427,6 +1427,24 @@ linprocfs_docmdline(PFS_FILL_ARGS)
 	return (0);
 }
 
+/*
+ * Filler function for proc/filesystems
+ */
+static int
+linprocfs_dofilesystems(PFS_FILL_ARGS)
+{
+	struct vfsconf *vfsp;
+
+	mtx_lock(&Giant);
+	TAILQ_FOREACH(vfsp, &vfsconf, vfc_list) {
+		if (vfsp->vfc_flags & VFCF_SYNTHETIC)
+			sbuf_printf(sb, "nodev");
+		sbuf_printf(sb, "\t%s\n", vfsp->vfc_name);
+	}
+	mtx_unlock(&Giant);
+	return(0);
+}
+
 #if 0
 /*
  * Filler function for proc/modules
@@ -1462,6 +1480,8 @@ linprocfs_init(PFS_INIT_ARGS)
 	    NULL, NULL, NULL, PFS_RD);
 	pfs_create_file(root, "devices", &linprocfs_dodevices,
 	    NULL, NULL, NULL, PFS_RD);
+	pfs_create_file(root, "filesystems", &linprocfs_dofilesystems,
+	    NULL, NULL, NULL, PFS_RD);
 	pfs_create_file(root, "loadavg", &linprocfs_doloadavg,
 	    NULL, NULL, NULL, PFS_RD);
 	pfs_create_file(root, "meminfo", &linprocfs_domeminfo,