Re: [Ext4 Secure Delete 7/7v4] ext4/jbd2: Secure Delete: Secure delete journal blocks
flat view
From: Jonathan Corbet <corbet@lwn.net>
Date: 2011-10-10 19:47:36
Also in:
linux-fsdevel
One quick question: On Fri, 7 Oct 2011 00:11:05 -0700 Allison Henderson [off-list ref] wrote:
quoted hunk ↗ jump to hunk
+ /* Secure delete any blocks still in our range */ + if (jbd2_pblk_count > 0) + err = ext4_secure_delete_pblks(journal->j_inode, + jbd2_pblk_start, jbd2_pblk_count); + +out: + spin_unlock(&journal->j_pair_lock);
ext4_secure_delete_pblks() appears to do its job synchronously - it has calls to things like sync_dirty_buffer() and such. How can you do that while holding ->j_pair_lock? Thanks, jon