Documentation updates

Minor Linux specific documentation updates to the comments and
man pages.

cmd/zfs/zfs_main.c

@@ -3365,7 +3365,7 @@ share_mount(int op, int argc, char **argv)
 		}
 
 		/*
-		 * When mount is given no arguments, go through /etc/mnttab and
+		 * When mount is given no arguments, go through /etc/mtab and
 		 * display any active ZFS mounts.  We hide any snapshots, since
 		 * they are controlled automatically.
 		 */
@@ -3453,7 +3453,7 @@ unshare_unmount_compare(const void *larg, const void *rarg, void *unused)
 
 /*
  * Convenience routine used by zfs_do_umount() and manual_unmount().  Given an
- * absolute path, find the entry /etc/mnttab, verify that its a ZFS filesystem,
+ * absolute path, find the entry /etc/mtab, verify that its a ZFS filesystem,
  * and unmount it appropriately.
  */
 static int
@@ -3467,7 +3467,7 @@ unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
 	ino_t path_inode;
 
 	/*
-	 * Search for the path in /etc/mnttab.  Rather than looking for the
+	 * Search for the path in /etc/mtab.  Rather than looking for the
 	 * specific path, which can be fooled by non-standard paths (i.e. ".."
 	 * or "//"), we stat() the path and search for the corresponding
 	 * (major,minor) device pair.
@@ -3494,7 +3494,7 @@ unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
 			    "currently mounted\n"), cmdname, path);
 			return (1);
 		}
-		(void) fprintf(stderr, gettext("warning: %s not in mnttab\n"),
+		(void) fprintf(stderr, gettext("warning: %s not in mtab\n"),
 		    path);
 		if ((ret = umount2(path, flags)) != 0)
 			(void) fprintf(stderr, gettext("%s: %s\n"), path,
@@ -3536,8 +3536,8 @@ unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
 		    strcmp(smbshare_prop, "off") == 0) {
 			(void) fprintf(stderr, gettext("cannot unshare "
 			    "'%s': legacy share\n"), path);
-			(void) fprintf(stderr, gettext("use "
-			    "unshare(1M) to unshare this filesystem\n"));
+			(void) fprintf(stderr, gettext("use exportfs(8) "
+			    "or smbcontrol(1) to unshare this filesystem\n"));
 		} else if (!zfs_is_shared(zhp)) {
 			(void) fprintf(stderr, gettext("cannot unshare '%s': "
 			    "not currently shared\n"), path);
@@ -3556,7 +3556,7 @@ unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
 			(void) fprintf(stderr, gettext("cannot unmount "
 			    "'%s': legacy mountpoint\n"),
 			    zfs_get_name(zhp));
-			(void) fprintf(stderr, gettext("use umount(1M) "
+			(void) fprintf(stderr, gettext("use umount(8) "
 			    "to unmount this filesystem\n"));
 		} else {
 			ret = zfs_unmountall(zhp, flags);
@@ -3606,8 +3606,8 @@ unshare_unmount(int op, int argc, char **argv)
 		/*
 		 * We could make use of zfs_for_each() to walk all datasets in
 		 * the system, but this would be very inefficient, especially
-		 * since we would have to linearly search /etc/mnttab for each
-		 * one.  Instead, do one pass through /etc/mnttab looking for
+		 * since we would have to linearly search /etc/mtab for each
+		 * one.  Instead, do one pass through /etc/mtab looking for
 		 * zfs entries and call zfs_unmount() for each one.
 		 *
 		 * Things get a little tricky if the administrator has created

cmd/zinject/translate.c

@@ -115,7 +115,7 @@ parse_pathname(const char *inpath, char *dataset, char *relpath,
 	}
 
 	if ((fp = fopen(MNTTAB, "r")) == NULL) {
-		(void) fprintf(stderr, "cannot open /etc/mnttab\n");
+		(void) fprintf(stderr, "cannot open /etc/mtab\n");
 		return (-1);
 	}
 

lib/libzfs/libzfs_dataset.c

@@ -1600,7 +1600,7 @@ zfs_unset_recvd_props_mode(zfs_handle_t *zhp, uint64_t *cookie)
  * zfs_prop_get_int() are built using this interface.
  *
  * Certain properties can be overridden using 'mount -o'.  In this case, scan
- * the contents of the /etc/mnttab entry, searching for the appropriate options.
+ * the contents of the /etc/mtab entry, searching for the appropriate options.
  * If they differ from the on-disk values, report the current values and mark
  * the source "temporary".
  */
@@ -1658,7 +1658,7 @@ get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src,
 
 	/*
 	 * Because looking up the mount options is potentially expensive
-	 * (iterating over all of /etc/mnttab), we defer its calculation until
+	 * (iterating over all of /etc/mtab), we defer its calculation until
 	 * we're looking up a property which requires its presence.
 	 */
 	if (!zhp->zfs_mntcheck &&

lib/libzfs/libzfs_mount.c

@@ -1212,7 +1212,7 @@ mountpoint_compare(const void *a, const void *b)
  * Unshare and unmount all datasets within the given pool.  We don't want to
  * rely on traversing the DSL to discover the filesystems within the pool,
  * because this may be expensive (if not all of them are mounted), and can fail
- * arbitrarily (on I/O error, for example).  Instead, we walk /etc/mnttab and
+ * arbitrarily (on I/O error, for example).  Instead, we walk /etc/mtab and
  * gather all the filesystems that are currently mounted.
  */
 int

man/man8/zfs.8

@@ -302,19 +302,19 @@ The clone parent-child dependency relationship can be reversed by using the \fBp
 .SS "Mount Points"
 .sp
 .LP
-Creating a \fBZFS\fR file system is a simple operation, so the number of file systems per system is likely to be numerous. To cope with this, \fBZFS\fR automatically manages mounting and unmounting file systems without the need to edit the \fB/etc/vfstab\fR file. All automatically managed file systems are mounted by \fBZFS\fR at boot time.
+Creating a \fBZFS\fR file system is a simple operation, so the number of file systems per system is likely to be numerous. To cope with this, \fBZFS\fR automatically manages mounting and unmounting file systems without the need to edit the \fB/etc/fstab\fR file. All automatically managed file systems are mounted by \fBZFS\fR at boot time.
 .sp
 .LP
 By default, file systems are mounted under \fB/\fIpath\fR\fR, where \fIpath\fR is the name of the file system in the \fBZFS\fR namespace. Directories are created and destroyed as needed.
 .sp
 .LP
-A file system can also have a mount point set in the \fBmountpoint\fR property. This directory is created as needed, and \fBZFS\fR automatically mounts the file system when the \fBzfs mount -a\fR command is invoked (without editing \fB/etc/vfstab\fR). The \fBmountpoint\fR property can be inherited, so if \fBpool/home\fR has a mount point of \fB/export/stuff\fR, then \fBpool/home/user\fR automatically inherits a mount point of \fB/export/stuff/user\fR.
+A file system can also have a mount point set in the \fBmountpoint\fR property. This directory is created as needed, and \fBZFS\fR automatically mounts the file system when the \fBzfs mount -a\fR command is invoked (without editing \fB/etc/fstab\fR). The \fBmountpoint\fR property can be inherited, so if \fBpool/home\fR has a mount point of \fB/export/stuff\fR, then \fBpool/home/user\fR automatically inherits a mount point of \fB/export/stuff/user\fR.
 .sp
 .LP
 A file system \fBmountpoint\fR property of \fBnone\fR prevents the file system from being mounted.
 .sp
 .LP
-If needed, \fBZFS\fR file systems can also be managed with traditional tools (\fBmount\fR, \fBumount\fR, \fB/etc/vfstab\fR). If a file system's mount point is set to \fBlegacy\fR, \fBZFS\fR makes no attempt to manage the file system, and the administrator is responsible for mounting and unmounting the file system.
+If needed, \fBZFS\fR file systems can also be managed with traditional tools (\fBmount\fR, \fBumount\fR, \fB/etc/fstab\fR). If a file system's mount point is set to \fBlegacy\fR, \fBZFS\fR makes no attempt to manage the file system, and the administrator is responsible for mounting and unmounting the file system.
 .SS "Zones"
 .sp
 .LP

module/zfs/zfs_ctldir.c

@@ -31,7 +31,7 @@
  * does not actually exist on disk.
  *
  * For 'snapshot', we don't want to have all snapshots always mounted, because
- * this would take up a huge amount of space in /etc/mnttab.  We have three
+ * this would take up a huge amount of space in /etc/mtab.  We have three
  * types of objects:
  *
  * 	ctldir ------> snapshotdir -------> snapshot