Documentation/filesystems/9p.rst

1 .. SPDX-License-Identifier: GPL-2.0
26 	  http://xcpu.org/papers/xcpu-talk.pdf
30 	  http://xcpu.org/papers/cellfs-talk.pdf
33 	* VirtFS: A Virtualization Aware File System pass-through
41 	mount -t 9p 10.10.1.2 /mnt/9
45 	mount -t 9p `namespace`/acme /mnt/9 -o trans=unix,uname=$USER
49 	mount -t 9p -o trans=virtio <mount_tag> /mnt/9
88 			0b00000010  meta-data caches enabled
98 			readahead   0b00000001 (only read-ahead file caching)
99 			mmap        0b00000101 (read-ahead + writeback file cache)
100 			loose       0b00001111 (non-coherent file and meta-data caches)
105 		moment, so using other combinations of bit-patterns is not
108 		IMPORTANT: loose caches (and by extension at the moment fscache)
120 			0x04    display 9p trace
121 			0x08    display VFS trace
154   afid		security channel - used by Plan 9 authentication protocols
156   nodevmap	do not map special files - represent them as normal files.
193  - Setting O_NONBLOCK on a file will make client reads return as early
195    buffer with the requested amount of bytes or end of file is reached.
201 http://ericvh.github.com/9p-rfc/
204 http://9p.cat-v.org/implementations
218 http://plan9.bell-labs.com/plan9