62 static void nfs_init_cinfo_from_inode(struct nfs_commit_info *cinfo,
830 	struct nfs_commit_info cinfo;  in nfs_page_search_commits_for_head_request_locked()  local
833 	nfs_init_cinfo_from_inode(&cinfo, inode);  in nfs_page_search_commits_for_head_request_locked()
836 	freq = pnfs_search_commit_reqs(inode, &cinfo, page);  in nfs_page_search_commits_for_head_request_locked()
841 	list_for_each_entry_safe(freq, t, &cinfo.mds->list, wb_list) {  in nfs_page_search_commits_for_head_request_locked()
864 			    struct nfs_commit_info *cinfo)  in nfs_request_add_commit_list_locked()  argument
868 	atomic_long_inc(&cinfo->mds->ncommit);  in nfs_request_add_commit_list_locked()
885 nfs_request_add_commit_list(struct nfs_page *req, struct nfs_commit_info *cinfo)  in nfs_request_add_commit_list()  argument
887 	mutex_lock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_request_add_commit_list()
888 	nfs_request_add_commit_list_locked(req, &cinfo->mds->list, cinfo);  in nfs_request_add_commit_list()
889 	mutex_unlock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_request_add_commit_list()
891 		nfs_mark_page_unstable(req->wb_page, cinfo);  in nfs_request_add_commit_list()
908 			       struct nfs_commit_info *cinfo)  in nfs_request_remove_commit_list()  argument
913 	atomic_long_dec(&cinfo->mds->ncommit);  in nfs_request_remove_commit_list()
917 static void nfs_init_cinfo_from_inode(struct nfs_commit_info *cinfo,  in nfs_init_cinfo_from_inode()  argument
920 	cinfo->inode = inode;  in nfs_init_cinfo_from_inode()
921 	cinfo->mds = &NFS_I(inode)->commit_info;  in nfs_init_cinfo_from_inode()
922 	cinfo->ds = pnfs_get_ds_info(inode);  in nfs_init_cinfo_from_inode()
923 	cinfo->dreq = NULL;  in nfs_init_cinfo_from_inode()
924 	cinfo->completion_ops = &nfs_commit_completion_ops;  in nfs_init_cinfo_from_inode()
927 void nfs_init_cinfo(struct nfs_commit_info *cinfo,  in nfs_init_cinfo()  argument
932 		nfs_init_cinfo_from_dreq(cinfo, dreq);  in nfs_init_cinfo()
934 		nfs_init_cinfo_from_inode(cinfo, inode);  in nfs_init_cinfo()
943 			struct nfs_commit_info *cinfo, u32 ds_commit_idx)  in nfs_mark_request_commit()  argument
945 	if (pnfs_mark_request_commit(req, lseg, cinfo, ds_commit_idx))  in nfs_mark_request_commit()
947 	nfs_request_add_commit_list(req, cinfo);  in nfs_mark_request_commit()
965 		struct nfs_commit_info cinfo;  in nfs_clear_request_commit()  local
967 		nfs_init_cinfo_from_inode(&cinfo, inode);  in nfs_clear_request_commit()
969 		if (!pnfs_clear_request_commit(req, &cinfo)) {  in nfs_clear_request_commit()
970 			nfs_request_remove_commit_list(req, &cinfo);  in nfs_clear_request_commit()
991 	struct nfs_commit_info cinfo;  in nfs_write_completion()  local
996 	nfs_init_cinfo_from_inode(&cinfo, hdr->inode);  in nfs_write_completion()
1012 			nfs_mark_request_commit(req, hdr->lseg, &cinfo,  in nfs_write_completion()
1028 nfs_reqs_to_commit(struct nfs_commit_info *cinfo)  in nfs_reqs_to_commit()  argument
1030 	return atomic_long_read(&cinfo->mds->ncommit);  in nfs_reqs_to_commit()
1036 		     struct nfs_commit_info *cinfo, int max)  in nfs_scan_commit_list()  argument
1053 			mutex_unlock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_scan_commit_list()
1056 			mutex_lock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_scan_commit_list()
1061 		nfs_request_remove_commit_list(req, cinfo);  in nfs_scan_commit_list()
1065 		if ((ret == max) && !cinfo->dreq)  in nfs_scan_commit_list()
1084 		struct nfs_commit_info *cinfo)  in nfs_scan_commit()  argument
1088 	if (!atomic_long_read(&cinfo->mds->ncommit))  in nfs_scan_commit()
1090 	mutex_lock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_scan_commit()
1091 	if (atomic_long_read(&cinfo->mds->ncommit) > 0) {  in nfs_scan_commit()
1094 		ret = nfs_scan_commit_list(&cinfo->mds->list, dst,  in nfs_scan_commit()
1095 					   cinfo, max);  in nfs_scan_commit()
1096 		ret += pnfs_scan_commit_lists(inode, cinfo, max - ret);  in nfs_scan_commit()
1098 	mutex_unlock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_scan_commit()
1663 static int wait_on_commit(struct nfs_mds_commit_info *cinfo)  in wait_on_commit()  argument
1665 	return wait_var_event_killable(&cinfo->rpcs_out,  in wait_on_commit()
1666 				       !atomic_read(&cinfo->rpcs_out));  in wait_on_commit()
1669 static void nfs_commit_begin(struct nfs_mds_commit_info *cinfo)  in nfs_commit_begin()  argument
1671 	atomic_inc(&cinfo->rpcs_out);  in nfs_commit_begin()
1674 static void nfs_commit_end(struct nfs_mds_commit_info *cinfo)  in nfs_commit_end()  argument
1676 	if (atomic_dec_and_test(&cinfo->rpcs_out))  in nfs_commit_end()
1677 		wake_up_var(&cinfo->rpcs_out);  in nfs_commit_end()
1743 		     struct nfs_commit_info *cinfo)  in nfs_init_commit()  argument
1766 	data->completion_ops = cinfo->completion_ops;  in nfs_init_commit()
1767 	data->dreq	  = cinfo->dreq;  in nfs_init_commit()
1782 		      struct nfs_commit_info *cinfo,  in nfs_retry_commit()  argument
1790 		nfs_mark_request_commit(req, lseg, cinfo, ds_commit_idx);  in nfs_retry_commit()
1791 		if (!cinfo->dreq)  in nfs_retry_commit()
1799 nfs_commit_resched_write(struct nfs_commit_info *cinfo,  in nfs_commit_resched_write()  argument
1810 		struct nfs_commit_info *cinfo)  in nfs_commit_list()  argument
1822 	nfs_init_commit(data, head, NULL, cinfo);  in nfs_commit_list()
1823 	atomic_inc(&cinfo->mds->rpcs_out);  in nfs_commit_list()
1851 	struct nfs_commit_info cinfo;  in nfs_commit_release_pages()  local
1897 	nfs_init_cinfo(&cinfo, data->inode, data->dreq);  in nfs_commit_release_pages()
1898 	nfs_commit_end(cinfo.mds);  in nfs_commit_release_pages()
1921 			    int how, struct nfs_commit_info *cinfo)  in nfs_generic_commit_list()  argument
1925 	status = pnfs_commit_list(inode, head, how, cinfo);  in nfs_generic_commit_list()
1927 		status = nfs_commit_list(inode, head, how, cinfo);  in nfs_generic_commit_list()
1935 	struct nfs_commit_info cinfo;  in __nfs_commit_inode()  local
1939 	nfs_init_cinfo_from_inode(&cinfo, inode);  in __nfs_commit_inode()
1940 	nfs_commit_begin(cinfo.mds);  in __nfs_commit_inode()
1942 		ret = nscan = nfs_scan_commit(inode, &head, &cinfo);  in __nfs_commit_inode()
1945 		ret = nfs_generic_commit_list(inode, &head, how, &cinfo);  in __nfs_commit_inode()
1959 	nfs_commit_end(cinfo.mds);  in __nfs_commit_inode()
1962 	return wait_on_commit(cinfo.mds);  in __nfs_commit_inode()