9p pull request for inclusion in 5.7 (take 2)

- Change read with O_NONBLOCK to allow incomplete read and return immediately
 (and document it)
 - Rest is just cleanup (indent, unused field in struct, extra semicolon)
 -----BEGIN PGP SIGNATURE-----
 
 iQIyBAABCAAdFiEE/IPbcYBuWt0zoYhOq06b7GqY5nAFAl6N6L4ACgkQq06b7GqY
 5nC2aQ/1EOZVI3AtlmC5KeocpcUjb+umz74D5z7r/LBnHNkTAf8/iRw1I+X+xJvM
 CKLoHTBkcNQOgydRYhW6NEUaI97ZRcqymrV38MIkYbJ++1y4oNCu9Z4ZXk9wNYq3
 Qp2Uhv6K5/OBX/8maQrtWKP8Zf/R2huLh5ECKaSsmEuCExOhYVt9uvrH5XKbGnt3
 ZVmZjjWGvpF/K318XATW5cvpDj0zPgKbvNuM/4RNjIBvZfOS5RRztoUWYCs5gH5N
 g1V49NY5GRq9DH3tCIbrCDMw4AVCySozZ4TY9V5CTUSMxitJ66zB6/yocRBVm4bQ
 tLFXCe4N9cIXN8JgphM78xp7/z2krQojH8xqrVDHgvkmLwPU+h3sh288XMn/li7m
 8t078NmrioYa8UQc1TqQMAgspVIkgVVhiRlc7LzQ3aT4z/0hzcdgx74d6KJXZ36O
 IG+oa/j+CVoztOQB5fnBFq4EQieXYTcSk+R2xeH38jxaP4ouYeYeTfSJ/eY6HM26
 7a8m+hoO1i8UBUAwK75ium/ZdEPw6wP7AnXAs+fyCS6Ly+mJ+SxMjqAdyszdSvBT
 9fpz9INY9mx7T9OQa4usK30dSnPCZgpHQF5sZBAC7zFJzV0bkx+4sh6UfQW7hx3V
 T89oTuYybjQeeU2M+DiVi7ng8E9jcH3mr0svMX6IkTr/Ps4cUg==
 =wKM3
 -----END PGP SIGNATURE-----

Merge tag '9p-for-5.7-2' of git://github.com/martinetd/linux

Pull 9p documentation update from Dominique Martinet:
 "Document the new O_NONBLOCK short read behavior"

* tag '9p-for-5.7-2' of git://github.com/martinetd/linux:
  9p: document short read behaviour with O_NONBLOCK
This commit is contained in:
Linus Torvalds 2020-04-08 21:51:14 -07:00
Родитель fcc95f0640 c6f141412d
Коммит 5d30bcacd9
1 изменённых файлов: 10 добавлений и 0 удалений

Просмотреть файл

@ -158,6 +158,16 @@ Options
/sys/fs/9p/caches. (applies only to cache=fscache)
============= ===============================================================
Behavior
========
This section aims at describing 9p 'quirks' that can be different
from a local filesystem behaviors.
- Setting O_NONBLOCK on a file will make client reads return as early
as the server returns some data instead of trying to fill the read
buffer with the requested amount of bytes or end of file is reached.
Resources
=========