Push to branch refs/heads/master:
bce714d94317031aeb4b2b6090caff50431c69d5 -->
5cdfed6e994de7aa11a1f369011cbdc663ad62f0
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 5cdfed6e994de7aa11a1f369011cbdc663ad62f0
Author: Erez Zadok <e...@cs.sunysb.edu>
Date: Sat Feb 18 19:11:22 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 f7cc0286c61e780e8f6e01c353e005d5cdfd2f17
Author: Erez Zadok <e...@cs.sunysb.edu>
Date: Sat Feb 18 15:16:43 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 4593552..2c5aee8 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 7cb82dd..950a659 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 a7684fa..c4e3898 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 5427fa7..5e117dc 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
@@ -74,8 +74,9 @@ static struct inode *wrapfs_iget(struct super_block *sb,
{
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
@@ -87,22 +88,19 @@ static struct inode *wrapfs_iget(struct super_block *sb,
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 a43a5b4..b582c2a 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 93744a7..17508ba 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 dc9d252..e54dd14 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 a57b32b..2ebb83f 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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