RUMP_UDF(8) NetBSD System Manager's Manual RUMP_UDF(8)
rump_udf -- mount a udf image with a userspace server
file-system PUFFS pseudo-device putter rump_udf [options] image mountpoint
NOTE! This manual page describes features specific to the rump(3) file server. Please see mount_udf(8) for a full description of the available command line options. The rump_udf utility can be used to mount udf file systems. It uses rump(3) and p2k(3) to facilitate running the file system as a server in userspace. As opposed to mount_udf(8), rump_udf does not use file system code within the kernel and therefore does not require kernel support except puffs(4). Apart from a minor speed penalty there is no downside with respect to in-kernel code. rump_udf does not require using vnconfig(8) for mounts from regular files and the file path can be passed directly as the image parameter. In fact, the use of vnconfig(8) is discouraged, since it is unable to prop- erly deal with images on sparse files. In case the image contains multiple partitions, the desired partition must be indicated by appending the token ``%DISKLABEL:p%'' to the image path. The letter ``p'' specifies the partition as obtained via disklabel(8). For example, to mount partition ``e'' from image /tmp/wd0.img, use ``/tmp/wd0.img%DISKLABEL:e%''. It is recommended that untrusted file system images be mounted with rump_udf instead of mount_udf(8). Corrupt file system images commonly cause the file system to crash the entire kernel, but with rump_udf only the userspace server process will dump core. To use rump_udf via mount(8), the flags -o rump and -t udf should be given. Similarly, rump_udf is used instead of mount_udf(8) if ``rump'' is added to the options field of fstab(5).
p2k(3), puffs(3), rump(3), mount_udf(8)
The rump_udf utility first appeared in NetBSD 5.0. NetBSD 8.1 November 21, 2010 NetBSD 8.1
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