[Ext4 Secure Delete 6/7v4] ext4: Secure Delete: Secure delete meta data blocks
From: Allison Henderson <hidden>
Date: 2011-10-07 07:07:14
Also in:
linux-fsdevel
Subsystem:
ext4 file system, filesystems (vfs and infrastructure), the rest · Maintainers:
"Theodore Ts'o", Alexander Viro, Christian Brauner, Linus Torvalds
This patch modifies ext4_free_blocks to securely delete meta blocks when needed Signed-off-by: Allison Henderson <redacted> --- :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