- OCFS2_QUOTA_BLOCK_UPDATE_CREDITS;
-}
-
-/* Read in information from global quota file and acquire a reference to it.
- * dquot_acquire() has already started the transaction and locked quota file */
-int ocfs2_global_read_dquot(struct dquot *dquot)
-{
- int err, err2, ex = 0;
- struct super_block *sb = dquot->dq_sb;
- int type = dquot->dq_type;
- struct ocfs2_mem_dqinfo *info = sb_dqinfo(sb, type)->dqi_priv;
- struct ocfs2_super *osb = OCFS2_SB(sb);
- struct inode *gqinode = info->dqi_gqinode;
- int need_alloc = ocfs2_global_qinit_alloc(sb, type);
- handle_t *handle = NULL;
-
- err = ocfs2_qinfo_lock(info, 0);
- if (err < 0)
- goto out;
- err = qtree_read_dquot(&info->dqi_gi, dquot);
- if (err < 0)
- goto out_qlock;
- OCFS2_DQUOT(dquot)->dq_use_count++;
- OCFS2_DQUOT(dquot)->dq_origspace = dquot->dq_dqb.dqb_curspace;
- OCFS2_DQUOT(dquot)->dq_originodes = dquot->dq_dqb.dqb_curinodes;
- ocfs2_qinfo_unlock(info, 0);
-
- if (!dquot->dq_off) { /* No real quota entry? */
- ex = 1;
- /*
- * Add blocks to quota file before we start a transaction since
- * locking allocators ranks above a transaction start
- */
- WARN_ON(journal_current_handle());
- down_write(&OCFS2_I(gqinode)->ip_alloc_sem);
- err = ocfs2_extend_no_holes(gqinode,
- gqinode->i_size + (need_alloc << sb->s_blocksize_bits),
- gqinode->i_size);
- up_write(&OCFS2_I(gqinode)->ip_alloc_sem);
- if (err < 0)
- goto out;
- }
-
- handle = ocfs2_start_trans(osb,
- ocfs2_calc_global_qinit_credits(sb, type));
- if (IS_ERR(handle)) {
- err = PTR_ERR(handle);
- goto out;
- }
- err = ocfs2_qinfo_lock(info, ex);
- if (err < 0)
- goto out_trans;
- err = qtree_write_dquot(&info->dqi_gi, dquot);
- if (ex && info_dirty(sb_dqinfo(dquot->dq_sb, dquot->dq_type))) {
- err2 = __ocfs2_global_write_info(dquot->dq_sb, dquot->dq_type);
- if (!err)
- err = err2;
- }
-out_qlock:
- if (ex)
- ocfs2_qinfo_unlock(info, 1);
- else
- ocfs2_qinfo_unlock(info, 0);
-out_trans:
- if (handle)
- ocfs2_commit_trans(osb, handle);
-out:
- if (err < 0)
- mlog_errno(err);
- return err;