From: Allison Henderson <achender@linux.vnet.ibm.com>
To: linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org
Cc: Allison Henderson <achender@linux.vnet.ibm.com>
Subject: [Ext4 Secure Delete 6/7v4] ext4: Secure Delete: Secure delete meta data blocks
Date: Fri, 7 Oct 2011 00:11:04 -0700 [thread overview]
Message-ID: <1317971465-8517-7-git-send-email-achender@linux.vnet.ibm.com> (raw)
In-Reply-To: <1317971465-8517-1-git-send-email-achender@linux.vnet.ibm.com>
This patch modifies ext4_free_blocks to securely delete meta blocks
when needed
Signed-off-by: Allison Henderson <achender@linux.vnet.ibm.com>
---
:100644 100644 17a5a57... d25bb4d... M fs/ext4/mballoc.c
fs/ext4/mballoc.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 17a5a57..d25bb4d 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4607,6 +4607,14 @@ do_more:
if (err)
goto error_return;
+ if ((flags & EXT4_FREE_BLOCKS_METADATA) &&
+ EXT4_I(inode)->i_flags & EXT4_SECRM_FL) {
+
+ err = ext4_secure_delete_pblks(inode, block, count);
+ if (err)
+ goto error_return;
+ }
+
if ((flags & EXT4_FREE_BLOCKS_METADATA) && ext4_handle_valid(handle)) {
struct ext4_free_data *new_entry;
/*
--
1.7.1
next prev parent reply other threads:[~2011-10-07 7:07 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-07 7:10 [Ext4 Secure Delete 0/7 v4] Ext4 secure delete Allison Henderson
2011-10-07 7:10 ` [Ext4 Secure Delete 1/7v4] ext4: Secure Delete: Add new EXT4_SECRM_RANDOM_FL flag Allison Henderson
2011-10-07 17:02 ` Darrick J. Wong
2011-10-07 17:14 ` Allison Henderson
2011-10-07 7:11 ` [Ext4 Secure Delete 2/7v4] ext4: Secure Delete: Add ext4_ind_hole_lookup function Allison Henderson
2011-10-07 17:47 ` Darrick J. Wong
2011-10-07 23:10 ` Allison Henderson
2011-10-07 7:11 ` [Ext4 Secure Delete 3/7v4] ext4: Secure Delete: Add secure delete functions Allison Henderson
2011-10-07 17:19 ` Allison Henderson
2011-10-07 18:07 ` Darrick J. Wong
2011-10-07 23:08 ` Allison Henderson
2011-10-07 7:11 ` [Ext4 Secure Delete 4/7v4] ext4: Secure Delete: Secure delete file data Allison Henderson
2011-10-07 7:11 ` [Ext4 Secure Delete 5/7v4] ext4: Secure Delete: Secure delete directory entry Allison Henderson
2011-10-07 17:22 ` Darrick J. Wong
2011-10-07 17:59 ` Allison Henderson
2011-10-07 7:11 ` Allison Henderson [this message]
2011-10-07 7:11 ` [Ext4 Secure Delete 7/7v4] ext4/jbd2: Secure Delete: Secure delete journal blocks Allison Henderson
2011-10-07 18:35 ` Darrick J. Wong
2011-10-07 19:31 ` Sunil Mushran
2011-10-07 19:54 ` Eric Sandeen
2011-10-07 20:14 ` Allison Henderson
2011-10-07 19:55 ` Allison Henderson
2011-10-07 20:58 ` Darrick J. Wong
2011-10-08 0:06 ` Allison Henderson
2011-10-10 19:47 ` Jonathan Corbet
2011-10-10 23:35 ` Allison Henderson
2011-10-10 23:41 ` Jonathan Corbet
2011-10-11 0:54 ` Allison Henderson
2011-10-10 20:00 ` Jonathan Corbet
2011-10-10 23:36 ` Allison Henderson
2011-10-07 15:21 ` [Ext4 Secure Delete 0/7 v4] Ext4 secure delete Andreas Dilger
2011-10-07 17:07 ` Allison Henderson
2011-10-10 17:20 ` Allison Henderson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1317971465-8517-7-git-send-email-achender@linux.vnet.ibm.com \
--to=achender@linux.vnet.ibm.com \
--cc=linux-ext4@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).