return status;
}
+int ocfs2_create_inode_in_orphan(struct inode *dir,
+ int mode,
+ struct inode **new_inode)
+{
+ int status, did_quota_inode = 0;
+ struct inode *inode = NULL;
+ struct inode *orphan_dir = NULL;
+ struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
+ struct ocfs2_dinode *di = NULL;
+ handle_t *handle = NULL;
+ char orphan_name[OCFS2_ORPHAN_NAMELEN + 1];
+ struct buffer_head *parent_di_bh = NULL;
+ struct buffer_head *new_di_bh = NULL;
+ struct ocfs2_alloc_context *inode_ac = NULL;
+ struct ocfs2_dir_lookup_result orphan_insert = { NULL, };
+
+ status = ocfs2_inode_lock(dir, &parent_di_bh, 1);
+ if (status < 0) {
+ if (status != -ENOENT)
+ mlog_errno(status);
+ return status;
+ }
+
+ /*
+ * We give the orphan dir the root blkno to fake an orphan name,
+ * and allocate enough space for our insertion.
+ */
+ status = ocfs2_prepare_orphan_dir(osb, &orphan_dir,
+ osb->root_blkno,
+ orphan_name, &orphan_insert);
+ if (status < 0) {
+ mlog_errno(status);
+ goto leave;
+ }
+
+ /* reserve an inode spot */
+ status = ocfs2_reserve_new_inode(osb, &inode_ac);
+ if (status < 0) {
+ if (status != -ENOSPC)
+ mlog_errno(status);
+ goto leave;
+ }
+
+ inode = ocfs2_get_init_inode(dir, mode);
+ if (!inode) {
+ status = -ENOMEM;
+ mlog_errno(status);
+ goto leave;
+ }
+
+ handle = ocfs2_start_trans(osb, ocfs2_mknod_credits(osb->sb, 0, 0));
+ if (IS_ERR(handle)) {
+ status = PTR_ERR(handle);
+ handle = NULL;
+ mlog_errno(status);
+ goto leave;
+ }
+
+ /* We don't use standard VFS wrapper because we don't want vfs_dq_init
+ * to be called. */
+ if (sb_any_quota_active(osb->sb) &&
+ osb->sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) {
+ status = -EDQUOT;
+ goto leave;
+ }
+ did_quota_inode = 1;
+
+ inode->i_nlink = 0;
+ /* do the real work now. */
+ status = ocfs2_mknod_locked(osb, dir, inode,
+ 0, &new_di_bh, parent_di_bh, handle,
+ inode_ac);
+ if (status < 0) {
+ mlog_errno(status);
+ goto leave;
+ }
+
+ status = ocfs2_blkno_stringify(OCFS2_I(inode)->ip_blkno, orphan_name);
+ if (status < 0) {
+ mlog_errno(status);
+ goto leave;
+ }
+
+ di = (struct ocfs2_dinode *)new_di_bh->b_data;
+ status = ocfs2_orphan_add(osb, handle, inode, di, orphan_name,
+ &orphan_insert, orphan_dir);
+ if (status < 0) {
+ mlog_errno(status);
+ goto leave;
+ }
+
+ /* get open lock so that only nodes can't remove it from orphan dir. */
+ status = ocfs2_open_lock(inode);
+ if (status < 0)
+ mlog_errno(status);
+
+ insert_inode_hash(inode);
+leave:
+ if (status < 0 && did_quota_inode)
+ vfs_dq_free_inode(inode);
+ if (handle)
+ ocfs2_commit_trans(osb, handle);
+
+ if (orphan_dir) {
+ /* This was locked for us in ocfs2_prepare_orphan_dir() */
+ ocfs2_inode_unlock(orphan_dir, 1);
+ mutex_unlock(&orphan_dir->i_mutex);
+ iput(orphan_dir);
+ }
+
+ if (status == -ENOSPC)
+ mlog(0, "Disk is full\n");
+
+ if ((status < 0) && inode) {
+ clear_nlink(inode);
+ iput(inode);
+ }
+
+ if (inode_ac)
+ ocfs2_free_alloc_context(inode_ac);
+
+ brelse(new_di_bh);
+
+ if (!status)
+ *new_inode = inode;
+
+ ocfs2_free_dir_lookup_result(&orphan_insert);
+
+ ocfs2_inode_unlock(dir, 1);
+ brelse(parent_di_bh);
+ return status;
+}
+
+int ocfs2_mv_orphaned_inode_to_new(struct inode *dir,
+ struct inode *inode,
+ struct dentry *dentry)
+{
+ int status = 0;
+ struct buffer_head *parent_di_bh = NULL;
+ handle_t *handle = NULL;
+ struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
+ struct ocfs2_dinode *dir_di, *di;
+ struct inode *orphan_dir_inode = NULL;
+ struct buffer_head *orphan_dir_bh = NULL;
+ struct buffer_head *di_bh = NULL;
+ struct ocfs2_dir_lookup_result lookup = { NULL, };
+
+ mlog_entry("(0x%p, 0x%p, %.*s')\n", dir, dentry,
+ dentry->d_name.len, dentry->d_name.name);
+
+ status = ocfs2_inode_lock(dir, &parent_di_bh, 1);
+ if (status < 0) {
+ if (status != -ENOENT)
+ mlog_errno(status);
+ return status;
+ }
+
+ dir_di = (struct ocfs2_dinode *) parent_di_bh->b_data;
+ if (!dir_di->i_links_count) {
+ /* can't make a file in a deleted directory. */
+ status = -ENOENT;
+ goto leave;
+ }
+
+ status = ocfs2_check_dir_for_entry(dir, dentry->d_name.name,
+ dentry->d_name.len);
+ if (status)
+ goto leave;
+
+ /* get a spot inside the dir. */
+ status = ocfs2_prepare_dir_for_insert(osb, dir, parent_di_bh,
+ dentry->d_name.name,
+ dentry->d_name.len, &lookup);
+ if (status < 0) {
+ mlog_errno(status);
+ goto leave;
+ }
+
+ orphan_dir_inode = ocfs2_get_system_file_inode(osb,
+ ORPHAN_DIR_SYSTEM_INODE,
+ osb->slot_num);
+ if (!orphan_dir_inode) {
+ status = -EEXIST;
+ mlog_errno(status);
+ goto leave;
+ }
+
+ mutex_lock(&orphan_dir_inode->i_mutex);
+
+ status = ocfs2_inode_lock(orphan_dir_inode, &orphan_dir_bh, 1);
+ if (status < 0) {
+ mlog_errno(status);
+ mutex_unlock(&orphan_dir_inode->i_mutex);
+ iput(orphan_dir_inode);
+ goto leave;
+ }
+
+ status = ocfs2_read_inode_block(inode, &di_bh);
+ if (status < 0) {
+ mlog_errno(status);
+ goto orphan_unlock;
+ }
+
+ handle = ocfs2_start_trans(osb, ocfs2_rename_credits(osb->sb));
+ if (IS_ERR(handle)) {
+ status = PTR_ERR(handle);
+ handle = NULL;
+ mlog_errno(status);
+ goto orphan_unlock;
+ }
+
+ status = ocfs2_journal_access_di(handle, INODE_CACHE(inode),
+ di_bh, OCFS2_JOURNAL_ACCESS_WRITE);
+ if (status < 0) {
+ mlog_errno(status);
+ goto out_commit;
+ }
+
+ status = ocfs2_orphan_del(osb, handle, orphan_dir_inode, inode,
+ orphan_dir_bh);
+ if (status < 0) {
+ mlog_errno(status);
+ goto out_commit;
+ }
+
+ di = (struct ocfs2_dinode *)di_bh->b_data;
+ le32_add_cpu(&di->i_flags, -OCFS2_ORPHANED_FL);
+ di->i_orphaned_slot = 0;
+ inode->i_nlink = 1;
+ ocfs2_set_links_count(di, inode->i_nlink);
+ ocfs2_journal_dirty(handle, di_bh);
+
+ status = ocfs2_add_entry(handle, dentry, inode,
+ OCFS2_I(inode)->ip_blkno, parent_di_bh,
+ &lookup);
+ if (status < 0) {
+ mlog_errno(status);
+ goto out_commit;
+ }
+
+ status = ocfs2_dentry_attach_lock(dentry, inode,
+ OCFS2_I(dir)->ip_blkno);
+ if (status) {
+ mlog_errno(status);
+ goto out_commit;
+ }
+
+ dentry->d_op = &ocfs2_dentry_ops;
+ d_instantiate(dentry, inode);
+ status = 0;
+out_commit:
+ ocfs2_commit_trans(osb, handle);
+orphan_unlock:
+ ocfs2_inode_unlock(orphan_dir_inode, 1);
+ mutex_unlock(&orphan_dir_inode->i_mutex);
+ iput(orphan_dir_inode);
+leave:
+
+ ocfs2_inode_unlock(dir, 1);
+
+ brelse(di_bh);
+ brelse(parent_di_bh);
+ brelse(orphan_dir_bh);
+
+ ocfs2_free_dir_lookup_result(&lookup);
+
+ mlog_exit(status);
+
+ return status;
+}
+
const struct inode_operations ocfs2_dir_iops = {
.create = ocfs2_create,
.lookup = ocfs2_lookup,
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff