-void ocfs2_mark_inode_remotely_deleted(struct inode *inode)
-{
- struct ocfs2_inode_info *oi = OCFS2_I(inode);
-
- assert_spin_locked(&oi->ip_lock);
- /* We set the SKIP_DELETE flag on the inode so we don't try to
- * delete it in delete_inode ourselves, thus avoiding
- * unecessary lock pinging. If the other node failed to wipe
- * the inode as a result of a crash, then recovery will pick
- * up the slack. */
- oi->ip_flags |= OCFS2_INODE_DELETED|OCFS2_INODE_SKIP_DELETE;
-}
-
-static int ocfs2_process_delete_request(struct inode *inode,
- int *orphaned_slot)
-{
- int response = OCFS2_RESPONSE_BUSY;
-
- mlog(0, "DELETE vote on inode %lu, read lnk_cnt = %u, slot = %d\n",
- inode->i_ino, inode->i_nlink, *orphaned_slot);
-
- spin_lock(&OCFS2_I(inode)->ip_lock);
-
- /* Whatever our vote response is, we want to make sure that
- * the orphaned slot is recorded properly on this node *and*
- * on the requesting node. Technically, if the requesting node
- * did not know which slot the inode is orphaned in but we
- * respond with BUSY he doesn't actually need the orphaned
- * slot, but it doesn't hurt to do it here anyway. */
- if ((*orphaned_slot) != OCFS2_INVALID_SLOT) {
- mlog_bug_on_msg(OCFS2_I(inode)->ip_orphaned_slot !=
- OCFS2_INVALID_SLOT &&
- OCFS2_I(inode)->ip_orphaned_slot !=
- (*orphaned_slot),
- "Inode %llu: This node thinks it's "
- "orphaned in slot %d, messaged it's in %d\n",
- (unsigned long long)OCFS2_I(inode)->ip_blkno,
- OCFS2_I(inode)->ip_orphaned_slot,
- *orphaned_slot);
-
- mlog(0, "Setting orphaned slot for inode %llu to %d\n",
- (unsigned long long)OCFS2_I(inode)->ip_blkno,
- *orphaned_slot);
-
- OCFS2_I(inode)->ip_orphaned_slot = *orphaned_slot;
- } else {
- mlog(0, "Sending back orphaned slot %d for inode %llu\n",
- OCFS2_I(inode)->ip_orphaned_slot,
- (unsigned long long)OCFS2_I(inode)->ip_blkno);
-
- *orphaned_slot = OCFS2_I(inode)->ip_orphaned_slot;
- }
-
- /* vote no if the file is still open. */
- if (OCFS2_I(inode)->ip_open_count) {
- mlog(0, "open count = %u\n",
- OCFS2_I(inode)->ip_open_count);
- spin_unlock(&OCFS2_I(inode)->ip_lock);
- goto done;
- }
- spin_unlock(&OCFS2_I(inode)->ip_lock);
-
- /* directories are a bit ugly... What if someone is sitting in
- * it? We want to make sure the inode is removed completely as
- * a result of the iput in process_vote. */
- if (S_ISDIR(inode->i_mode) && (atomic_read(&inode->i_count) != 1)) {
- mlog(0, "i_count = %u\n", atomic_read(&inode->i_count));
- goto done;
- }
-
- if (filemap_fdatawrite(inode->i_mapping)) {
- mlog(ML_ERROR, "Could not sync inode %llu for delete!\n",
- (unsigned long long)OCFS2_I(inode)->ip_blkno);
- goto done;
- }
- sync_mapping_buffers(inode->i_mapping);
- truncate_inode_pages(inode->i_mapping, 0);
- ocfs2_extent_map_trunc(inode, 0);
-
- spin_lock(&OCFS2_I(inode)->ip_lock);
- /* double check open count - someone might have raced this
- * thread into ocfs2_file_open while we were writing out
- * data. If we're to allow a wipe of this inode now, we *must*
- * hold the spinlock until we've marked it. */
- if (OCFS2_I(inode)->ip_open_count) {
- mlog(0, "Raced to wipe! open count = %u\n",
- OCFS2_I(inode)->ip_open_count);
- spin_unlock(&OCFS2_I(inode)->ip_lock);
- goto done;
- }
-
- /* Mark the inode as being wiped from disk. */
- ocfs2_mark_inode_remotely_deleted(inode);
- spin_unlock(&OCFS2_I(inode)->ip_lock);
-
- /* Not sure this is necessary anymore. */
- d_prune_aliases(inode);
-
- /* If we get here, then we're voting 'yes', so commit the
- * delete on our side. */
- response = OCFS2_RESPONSE_OK;
-done:
- return response;
-}
-