ext2srv man page on Plan9

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EXT2SRV(4)							    EXT2SRV(4)

       ext2srv - ext2 file system

       ext2srv [ -vrs ] [ -f file ] [ -p passwd ] [ -g group ] [ service ]

       Ext2srv is a file server that interprets the Linux Second Extended File
       System.	A single instance of ext2srv can provide  access  to  multiple
       ext2 partitions simultaneously.

       Ext2srv	posts  a  file	descriptor named service (default ext2) in the
       /srv directory.	To access an ext2 file system on a device,  use	 mount
       with  the  spec argument (see bind(1)) the name of the file holding the
       raw ext2 file system, typically the disk	 or  partition.	  If  spec  is
       undefined  in  the mount, ext2srv will use file as the default name for
       the device holding the file system.

       Normally ext2srv creates a pipe to act as  the  communications  channel
       between	itself	and its clients.  The -s flag instructs ext2srv to use
       its standard input and output instead.  This  flag  also	 prevents  the
       creation of an explicit service file in /srv.

       The  -v	flag  causes  verbose  output for debugging, while the -r flag
       (recommended) makes the file system read-only.  The optional -p and  -g
       flags specify Unix-format password (respectively group) files that give
       the mapping between the numeric user- and group-ID numbers in the  ext2
       file system and the strings reported by Plan 9 status inquiries.

       There  is  no  authentication  or  permission checking.	Anyone who can
       access the ext2 file system will have full access  to  all  its	files,
       including  write	 access	 if  ext2srv  is not started with the -r flag,
       irrespective of file ownership and permission flags.

       Some file system state is cached in memory, and	may  be	 flushed  only
       when  the file system is unmounted.  Therefore if ext2srv is stopped or
       the machine is rebooted while an ext2 file system is still mounted, the
       superblock  on the device will have been marked `not valid' (unless the
       -r flag was used), and a fsck will be required before that file	system
       may be mounted again.

       There  is no authentication or permission checking.  The implementation
       has not tracked any changes to the  ext2	 specification	since  it  was
       written.	  There	 may be other bugs.  It is advisable to use ext2srv in
       read-only mode whenever possible.

       Bodet Laurent (bl@mime.univ-paris8.fr), with later updates by Russ  Cox
       and Richard Miller.

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