linux-kernel - [PATCH RFC 0/4] 9p: fix open-unlink-f*syscall bug

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Date:   Mon, 14 Sep 2020 11:37:50 +0800
From:   Jianyong Wu <jianyong.wu@....com>
To:     ericvh@...il.com, lucho@...kov.net, asmadeus@...ewreck.org,
        v9fs-developer@...ts.sourceforge.net
Cc:     linux-kernel@...r.kernel.org, justin.he@....com,
        jianyong.wu@....com
Subject: [PATCH RFC 0/4] 9p: fix open-unlink-f*syscall bug

open-unlink-f*syscall bug is a well-known bug in 9p, we try to fix the bug
in this patch set.
I take Eric's and Greg's patches which constiute the 1/4 - 3/4 of this patch
set as the main frame of the solution. In patch 4/4, I fix the fid race issue
exists in Greg's patch.

Eric Van Hensbergen (1):
  fs/9p: fix create-unlink-getattr idiom

Greg Kurz (1):
  fs/9p: search open fids first

Jianyong Wu (2):
  fs/9p: track open fids
  9p: fix race issue in fid contention.

 fs/9p/fid.c             | 72 +++++++++++++++++++++++++++++++++++------
 fs/9p/fid.h             | 25 +++++++++++---
 fs/9p/vfs_dentry.c      |  2 +-
 fs/9p/vfs_dir.c         | 20 ++++++++++--
 fs/9p/vfs_file.c        |  3 +-
 fs/9p/vfs_inode.c       | 52 +++++++++++++++++++++--------
 fs/9p/vfs_inode_dotl.c  | 44 ++++++++++++++++---------
 fs/9p/vfs_super.c       |  7 ++--
 fs/9p/xattr.c           | 18 ++++++++---
 include/net/9p/client.h |  8 +++++
 net/9p/client.c         |  7 +++-
 11 files changed, 206 insertions(+), 52 deletions(-)

-- 
2.17.1