rump_tmpfs(8) - NetBSD Manual Pages

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RUMP_TMPFS(8)           NetBSD System Manager's Manual           RUMP_TMPFS(8)


NAME

     rump_tmpfs -- mount a tmpfs fictional fs with a userspace server


SYNOPSIS

     file-system PUFFS
     pseudo-device putter

     rump_tmpfs [options] tmpfs mountpoint


DESCRIPTION

     NOTE! This manual page describes features specific to the rump(3) file
     server.  Please see mount_tmpfs(8) for a full description of the avail-
     able command line options.

     The rump_tmpfs utility can be used to mount tmpfs file systems.  It uses
     rump(3) and p2k(3) to facilitate running the file system as a server in
     userspace.  As opposed to mount_tmpfs(8), rump_tmpfs does not use file
     system code within the kernel and therefore does not require kernel sup-
     port except puffs(4).  Apart from a minor speed penalty there is no down-
     side with respect to in-kernel code.

     To use rump_tmpfs via mount(8), the flags -o rump and -t tmpfs should be
     given.  Similarly, rump_tmpfs is used instead of mount_tmpfs(8) if
     ``rump'' is added to the options field of fstab(5).


SEE ALSO

     p2k(3), puffs(3), rump(3), mount_tmpfs(8)


HISTORY

     The rump_tmpfs utility first appeared in NetBSD 5.0.

NetBSD 8.3                     November 21, 2010                    NetBSD 8.3