Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261582AbUKHN4F (ORCPT ); Mon, 8 Nov 2004 08:56:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261836AbUKHN4F (ORCPT ); Mon, 8 Nov 2004 08:56:05 -0500 Received: from hera.cwi.nl ([192.16.191.8]:65239 "EHLO hera.cwi.nl") by vger.kernel.org with ESMTP id S261582AbUKHNz4 (ORCPT ); Mon, 8 Nov 2004 08:55:56 -0500 Date: Mon, 8 Nov 2004 14:55:42 +0100 From: Andries Brouwer To: torvalds@osdl.org, akpm@osdl.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH] ext2 docs Message-ID: <20041108135541.GA23052@apps.cwi.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4027 Lines: 102 Below an update of ext2.txt. Removed barrier - it is not an ext2 option. Corrected the distinction between kernel-selected defaults and values read from the filesystem. Fixed some typos. Shortened line length to 80. Andries diff -uprN -X /linux/dontdiff a/Documentation/filesystems/ext2.txt b/Documentation/filesystems/ext2.txt --- a/Documentation/filesystems/ext2.txt 2004-10-30 21:43:59.000000000 +0200 +++ b/Documentation/filesystems/ext2.txt 2004-11-08 14:41:22.000000000 +0100 @@ -11,57 +11,53 @@ for NetBSD, FreeBSD, the GNU HURD, Windo Options ======= -When mounting an ext2 filesystem, the following options are accepted. -Defaults are marked with (*). +Most defaults are determined by the filesystem superblock, and can be +set using tune2fs(8). Kernel-determined defaults are indicated by (*). bsddf (*) Makes `df' act like BSD. minixdf Makes `df' act like Minix. -barrier=1 This enables/disables barriers. barrier=0 disables it, - barrier=1 enables it. - -orlov (*) This enables the new Orlov block allocator. It's - enabled by default. - -oldalloc This disables the Orlov block allocator and - enables the old block allocator. Orlov should - have better performance, we'd like to get some - feedback if it's the contrary for you. - -user_xattr (*) Enables POSIX Extended Attributes. It's enabled by - default, however you need to confifure its support - (CONFIG_EXT2_FS_XATTR). This is neccesary if you want - to use POSIX Acces Control Lists support. You can visit - http://acl.bestbits.at to know more about POSIX Extended - attributes. - -nouser_xattr Disables POSIX Extended Attributes. - -acl (*) Enables POSIX Access Control Lists support. This is - enabled by default, however you need to configure - its support (CONFIG_EXT2_FS_POSIX_ACL). If you want - to know more about ACLs visit http://acl.bestbits.at - -noacl This option disables POSIX Access Control List support. - +check Check block and inode bitmaps at mount time + (requires CONFIG_EXT2_CHECK). check=none, nocheck (*) Don't do extra checking of bitmaps on mount (check=normal and check=strict options removed) debug Extra debugging information is sent to the kernel syslog. Useful for developers. -errors=continue (*) Keep going on a filesystem error. +errors=continue Keep going on a filesystem error. errors=remount-ro Remount the filesystem read-only on an error. errors=panic Panic and halt the machine if an error occurs. grpid, bsdgroups Give objects the same group ID as their parent. -nogrpid, sysvgroups (*) New objects have the group ID of their creator. +nogrpid, sysvgroups New objects have the group ID of their creator. + +nouid32 Use 16-bit UIDs and GIDs. + +oldalloc Enable the old block allocator. Orlov should + have better performance, we'd like to get some + feedback if it's the contrary for you. +orlov (*) Use the Orlov block allocator. + (See http://lwn.net/Articles/14633/ and + http://lwn.net/Articles/14446/.) resuid=n The user ID which may use the reserved blocks. -resgid=n The group ID which may use the reserved blocks. +resgid=n The group ID which may use the reserved blocks. sb=n Use alternate superblock at this location. +user_xattr Enable "user." POSIX Extended Attributes + (requires CONFIG_EXT2_FS_XATTR). + See also http://acl.bestbits.at +nouser_xattr Don't support "user." extended attributes. + +acl Enable POSIX Access Control Lists support + (requires CONFIG_EXT2_FS_POSIX_ACL). + See also http://acl.bestbits.at +noacl Don't support POSIX ACLs. + +nobh Do not attach buffer_heads to file pagecache. + grpquota,noquota,quota,usrquota Quota options are silently ignored by ext2. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/