ocfs2: Implement get_next_id() (5a9530e4) · Commits · 戴 / test

fs/ocfs2/ocfs2_trace.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -2035,6 +2035,8 @@ DEFINE_OCFS2_UINT_INT_EVENT(ocfs2_release_dquot);

		DEFINE_OCFS2_UINT_INT_EVENT(ocfs2_acquire_dquot);

		DEFINE_OCFS2_UINT_INT_EVENT(ocfs2_get_next_id);

		DEFINE_OCFS2_UINT_INT_EVENT(ocfs2_mark_dquot_dirty);

		/* End of trace events for fs/ocfs2/quota_global.c. */

+25 −0

Original line number	Diff line number	Diff line
		@@ -860,6 +860,30 @@ out:
		return status;
		}

		static int ocfs2_get_next_id(struct super_block sb, struct kqid qid)
		{
		int type = qid->type;
		struct ocfs2_mem_dqinfo *info = sb_dqinfo(sb, type)->dqi_priv;
		int status = 0;

		trace_ocfs2_get_next_id(from_kqid(&init_user_ns, *qid), type);
		status = ocfs2_lock_global_qf(info, 0);
		if (status < 0)
		goto out;
		status = ocfs2_qinfo_lock(info, 0);
		if (status < 0)
		goto out_global;
		status = qtree_get_next_id(&info->dqi_gi, qid);
		ocfs2_qinfo_unlock(info, 0);
		out_global:
		ocfs2_unlock_global_qf(info, 0);
		out:
		/* Avoid logging ENOENT since it just means there isn't next ID */
		if (status && status != -ENOENT)
		mlog_errno(status);
		return status;
		}

		static int ocfs2_mark_dquot_dirty(struct dquot *dquot)
		{
		unsigned long mask = (1 << (DQ_LASTSET_B + QIF_ILIMITS_B)) \|
		@@ -968,4 +992,5 @@ const struct dquot_operations ocfs2_quota_operations = {
		.write_info = ocfs2_write_info,
		.alloc_dquot = ocfs2_alloc_dquot,
		.destroy_dquot = ocfs2_destroy_dquot,
		.get_next_id = ocfs2_get_next_id,
		};