Push to branch refs/heads/master:
0495fe27a1b950d5d1cefb2d7ec962d666fc8f45 -->
964912d2aaeaf6695a8070fbeba157ee12287c4d
fs/wrapfs/dentry.c | 6 +++---
fs/wrapfs/file.c | 6 +++---
fs/wrapfs/inode.c | 6 +++---
fs/wrapfs/lookup.c | 22 ++++++++++------------
fs/wrapfs/main.c | 6 +++---
fs/wrapfs/mmap.c | 6 +++---
fs/wrapfs/super.c | 6 +++---
fs/wrapfs/wrapfs.h | 6 +++---
8 files changed, 31 insertions(+), 33 deletions(-)
commit 964912d2aaeaf6695a8070fbeba157ee12287c4d
Author: Erez Zadok <e...@cs.sunysb.edu>
Date: Sat Feb 18 19:11:24 2017 -0500
Wrapfs: ->iget fixes
Change where we igrab/iput to ensure we always hold a valid lower_inode.
Return ENOMEM (not EACCES) if iget5_locked returns NULL.
Signed-off-by: Erez Zadok <e...@cs.sunysb.edu>
commit f2d7af8d80ed4ef9d18640884ec20eb8ac71980c
Author: Erez Zadok <e...@cs.sunysb.edu>
Date: Sat Feb 18 15:33:36 2017 -0500
Wrapfs: update copyrights for 2017
Signed-off-by: Erez Zadok <e...@cs.sunysb.edu>
diff --git a/fs/wrapfs/dentry.c b/fs/wrapfs/dentry.c
index a0f0e0d..f2b3ac1 100644
--- a/fs/wrapfs/dentry.c
+++ b/fs/wrapfs/dentry.c
@@ -1,8 +1,8 @@
/*
- * Copyright (c) 1998-2015 Erez Zadok
+ * Copyright (c) 1998-2017 Erez Zadok
* Copyright (c) 2009 Shrikar Archak
- * Copyright (c) 2003-2015 Stony Brook University
- * Copyright (c) 2003-2015 The Research Foundation of SUNY
+ * Copyright (c) 2003-2017 Stony Brook University
+ * Copyright (c) 2003-2017 The Research Foundation of SUNY
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
diff --git a/fs/wrapfs/file.c b/fs/wrapfs/file.c
index 05b80e9..9f054163 100644
--- a/fs/wrapfs/file.c
+++ b/fs/wrapfs/file.c
@@ -1,8 +1,8 @@
/*
- * Copyright (c) 1998-2015 Erez Zadok
+ * Copyright (c) 1998-2017 Erez Zadok
* Copyright (c) 2009 Shrikar Archak
- * Copyright (c) 2003-2015 Stony Brook University
- * Copyright (c) 2003-2015 The Research Foundation of SUNY
+ * Copyright (c) 2003-2017 Stony Brook University
+ * Copyright (c) 2003-2017 The Research Foundation of SUNY
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
diff --git a/fs/wrapfs/inode.c b/fs/wrapfs/inode.c
index 07c6aa9..e657a2f 100644
--- a/fs/wrapfs/inode.c
+++ b/fs/wrapfs/inode.c
@@ -1,8 +1,8 @@
/*
- * Copyright (c) 1998-2015 Erez Zadok
+ * Copyright (c) 1998-2017 Erez Zadok
* Copyright (c) 2009 Shrikar Archak
- * Copyright (c) 2003-2015 Stony Brook University
- * Copyright (c) 2003-2015 The Research Foundation of SUNY
+ * Copyright (c) 2003-2017 Stony Brook University
+ * Copyright (c) 2003-2017 The Research Foundation of SUNY
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
diff --git a/fs/wrapfs/lookup.c b/fs/wrapfs/lookup.c
index eae79ba..32faef5 100644
--- a/fs/wrapfs/lookup.c
+++ b/fs/wrapfs/lookup.c
@@ -1,8 +1,8 @@
/*
- * Copyright (c) 1998-2015 Erez Zadok
+ * Copyright (c) 1998-2017 Erez Zadok
* Copyright (c) 2009 Shrikar Archak
- * Copyright (c) 2003-2015 Stony Brook University
- * Copyright (c) 2003-2015 The Research Foundation of SUNY
+ * Copyright (c) 2003-2017 Stony Brook University
+ * Copyright (c) 2003-2017 The Research Foundation of SUNY
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -73,8 +73,9 @@ struct inode *wrapfs_iget(struct super_block *sb, struct
inode *lower_inode)
{
struct wrapfs_inode_info *info;
struct inode *inode; /* the new inode to return */
- int err;
+ if (!igrab(lower_inode))
+ return ERR_PTR(-ESTALE);
inode = iget5_locked(sb, /* our superblock */
/*
* hashval: we use inode number, but we can
@@ -86,22 +87,19 @@ struct inode *wrapfs_iget(struct super_block *sb, struct
inode *lower_inode)
wrapfs_inode_set, /* inode init function */
lower_inode); /* data passed to test+set fxns */
if (!inode) {
- err = -EACCES;
iput(lower_inode);
- return ERR_PTR(err);
+ return ERR_PTR(-ENOMEM);
}
- /* if found a cached inode, then just return it */
- if (!(inode->i_state & I_NEW))
+ /* if found a cached inode, then just return it (after iput) */
+ if (!(inode->i_state & I_NEW)) {
+ iput(lower_inode);
return inode;
+ }
/* initialize new inode */
info = WRAPFS_I(inode);
inode->i_ino = lower_inode->i_ino;
- if (!igrab(lower_inode)) {
- err = -ESTALE;
- return ERR_PTR(err);
- }
wrapfs_set_lower_inode(inode, lower_inode);
inode->i_version++;
diff --git a/fs/wrapfs/main.c b/fs/wrapfs/main.c
index c39ef09..7ed0580e 100644
--- a/fs/wrapfs/main.c
+++ b/fs/wrapfs/main.c
@@ -1,8 +1,8 @@
/*
- * Copyright (c) 1998-2015 Erez Zadok
+ * Copyright (c) 1998-2017 Erez Zadok
* Copyright (c) 2009 Shrikar Archak
- * Copyright (c) 2003-2015 Stony Brook University
- * Copyright (c) 2003-2015 The Research Foundation of SUNY
+ * Copyright (c) 2003-2017 Stony Brook University
+ * Copyright (c) 2003-2017 The Research Foundation of SUNY
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
diff --git a/fs/wrapfs/mmap.c b/fs/wrapfs/mmap.c
index cfbc0f8..39364ec 100644
--- a/fs/wrapfs/mmap.c
+++ b/fs/wrapfs/mmap.c
@@ -1,8 +1,8 @@
/*
- * Copyright (c) 1998-2015 Erez Zadok
+ * Copyright (c) 1998-2017 Erez Zadok
* Copyright (c) 2009 Shrikar Archak
- * Copyright (c) 2003-2015 Stony Brook University
- * Copyright (c) 2003-2015 The Research Foundation of SUNY
+ * Copyright (c) 2003-2017 Stony Brook University
+ * Copyright (c) 2003-2017 The Research Foundation of SUNY
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
diff --git a/fs/wrapfs/super.c b/fs/wrapfs/super.c
index 5c99c47..a17fef9 100644
--- a/fs/wrapfs/super.c
+++ b/fs/wrapfs/super.c
@@ -1,8 +1,8 @@
/*
- * Copyright (c) 1998-2015 Erez Zadok
+ * Copyright (c) 1998-2017 Erez Zadok
* Copyright (c) 2009 Shrikar Archak
- * Copyright (c) 2003-2015 Stony Brook University
- * Copyright (c) 2003-2015 The Research Foundation of SUNY
+ * Copyright (c) 2003-2017 Stony Brook University
+ * Copyright (c) 2003-2017 The Research Foundation of SUNY
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
diff --git a/fs/wrapfs/wrapfs.h b/fs/wrapfs/wrapfs.h
index 149b27a..ea98f30 100644
--- a/fs/wrapfs/wrapfs.h
+++ b/fs/wrapfs/wrapfs.h
@@ -1,8 +1,8 @@
/*
- * Copyright (c) 1998-2015 Erez Zadok
+ * Copyright (c) 1998-2017 Erez Zadok
* Copyright (c) 2009 Shrikar Archak
- * Copyright (c) 2003-2015 Stony Brook University
- * Copyright (c) 2003-2015 The Research Foundation of SUNY
+ * Copyright (c) 2003-2017 Stony Brook University
+ * Copyright (c) 2003-2017 The Research Foundation of SUNY
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
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