62 static void nfs_clear_request_commit(struct nfs_commit_info *cinfo,
64 static void nfs_init_cinfo_from_inode(struct nfs_commit_info *cinfo,
506 void nfs_join_page_group(struct nfs_page *head, struct nfs_commit_info *cinfo,  in nfs_join_page_group()  argument
537 		nfs_clear_request_commit(cinfo, subreq);  in nfs_join_page_group()
570 	struct nfs_commit_info cinfo;  in nfs_lock_and_join_requests()  local
573 	nfs_init_cinfo_from_inode(&cinfo, inode);  in nfs_lock_and_join_requests()
590 	nfs_join_page_group(head, &cinfo, inode);  in nfs_lock_and_join_requests()
832 	struct nfs_commit_info cinfo;  in nfs_page_search_commits_for_head_request_locked()  local
835 	nfs_init_cinfo_from_inode(&cinfo, inode);  in nfs_page_search_commits_for_head_request_locked()
838 	freq = pnfs_search_commit_reqs(inode, &cinfo, folio);  in nfs_page_search_commits_for_head_request_locked()
843 	list_for_each_entry_safe(freq, t, &cinfo.mds->list, wb_list) {  in nfs_page_search_commits_for_head_request_locked()
866 			    struct nfs_commit_info *cinfo)  in nfs_request_add_commit_list_locked()  argument
870 	atomic_long_inc(&cinfo->mds->ncommit);  in nfs_request_add_commit_list_locked()
887 nfs_request_add_commit_list(struct nfs_page *req, struct nfs_commit_info *cinfo)  in nfs_request_add_commit_list()  argument
889 	mutex_lock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_request_add_commit_list()
890 	nfs_request_add_commit_list_locked(req, &cinfo->mds->list, cinfo);  in nfs_request_add_commit_list()
891 	mutex_unlock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_request_add_commit_list()
892 	nfs_folio_mark_unstable(nfs_page_to_folio(req), cinfo);  in nfs_request_add_commit_list()
909 			       struct nfs_commit_info *cinfo)  in nfs_request_remove_commit_list()  argument
914 	atomic_long_dec(&cinfo->mds->ncommit);  in nfs_request_remove_commit_list()
918 static void nfs_init_cinfo_from_inode(struct nfs_commit_info *cinfo,  in nfs_init_cinfo_from_inode()  argument
921 	cinfo->inode = inode;  in nfs_init_cinfo_from_inode()
922 	cinfo->mds = &NFS_I(inode)->commit_info;  in nfs_init_cinfo_from_inode()
923 	cinfo->ds = pnfs_get_ds_info(inode);  in nfs_init_cinfo_from_inode()
924 	cinfo->dreq = NULL;  in nfs_init_cinfo_from_inode()
925 	cinfo->completion_ops = &nfs_commit_completion_ops;  in nfs_init_cinfo_from_inode()
928 void nfs_init_cinfo(struct nfs_commit_info *cinfo,  in nfs_init_cinfo()  argument
933 		nfs_init_cinfo_from_dreq(cinfo, dreq);  in nfs_init_cinfo()
935 		nfs_init_cinfo_from_inode(cinfo, inode);  in nfs_init_cinfo()
944 			struct nfs_commit_info *cinfo, u32 ds_commit_idx)  in nfs_mark_request_commit()  argument
946 	if (pnfs_mark_request_commit(req, lseg, cinfo, ds_commit_idx))  in nfs_mark_request_commit()
948 	nfs_request_add_commit_list(req, cinfo);  in nfs_mark_request_commit()
963 static void nfs_clear_request_commit(struct nfs_commit_info *cinfo,  in nfs_clear_request_commit()  argument
971 		if (!pnfs_clear_request_commit(req, cinfo)) {  in nfs_clear_request_commit()
972 			nfs_request_remove_commit_list(req, cinfo);  in nfs_clear_request_commit()
993 	struct nfs_commit_info cinfo;  in nfs_write_completion()  local
998 	nfs_init_cinfo_from_inode(&cinfo, hdr->inode);  in nfs_write_completion()
1015 			nfs_mark_request_commit(req, hdr->lseg, &cinfo,  in nfs_write_completion()
1031 nfs_reqs_to_commit(struct nfs_commit_info *cinfo)  in nfs_reqs_to_commit()  argument
1033 	return atomic_long_read(&cinfo->mds->ncommit);  in nfs_reqs_to_commit()
1039 		     struct nfs_commit_info *cinfo, int max)  in nfs_scan_commit_list()  argument
1050 		nfs_request_remove_commit_list(req, cinfo);  in nfs_scan_commit_list()
1054 		if ((ret == max) && !cinfo->dreq)  in nfs_scan_commit_list()
1073 		struct nfs_commit_info *cinfo)  in nfs_scan_commit()  argument
1077 	if (!atomic_long_read(&cinfo->mds->ncommit))  in nfs_scan_commit()
1079 	mutex_lock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_scan_commit()
1080 	if (atomic_long_read(&cinfo->mds->ncommit) > 0) {  in nfs_scan_commit()
1083 		ret = nfs_scan_commit_list(&cinfo->mds->list, dst,  in nfs_scan_commit()
1084 					   cinfo, max);  in nfs_scan_commit()
1085 		ret += pnfs_scan_commit_lists(inode, cinfo, max - ret);  in nfs_scan_commit()
1087 	mutex_unlock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_scan_commit()
1656 static int wait_on_commit(struct nfs_mds_commit_info *cinfo)  in wait_on_commit()  argument
1658 	return wait_var_event_killable(&cinfo->rpcs_out,  in wait_on_commit()
1659 				       !atomic_read(&cinfo->rpcs_out));  in wait_on_commit()
1662 static void nfs_commit_begin(struct nfs_mds_commit_info *cinfo)  in nfs_commit_begin()  argument
1664 	atomic_inc(&cinfo->rpcs_out);  in nfs_commit_begin()
1667 bool nfs_commit_end(struct nfs_mds_commit_info *cinfo)  in nfs_commit_end()  argument
1669 	if (atomic_dec_and_test(&cinfo->rpcs_out)) {  in nfs_commit_end()
1670 		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()
1777 	nfs_commit_begin(cinfo->mds);  in nfs_init_commit()
1783 		      struct nfs_commit_info *cinfo,  in nfs_retry_commit()  argument
1791 		nfs_mark_request_commit(req, lseg, cinfo, ds_commit_idx);  in nfs_retry_commit()
1798 static void nfs_commit_resched_write(struct nfs_commit_info *cinfo,  in nfs_commit_resched_write()  argument
1811 		struct nfs_commit_info *cinfo)  in nfs_commit_list()  argument
1822 		nfs_retry_commit(head, NULL, cinfo, -1);  in nfs_commit_list()
1827 	nfs_init_commit(data, head, NULL, cinfo);  in nfs_commit_list()
1852 	struct nfs_commit_info cinfo;  in nfs_commit_release_pages()  local
1900 	nfs_init_cinfo(&cinfo, data->inode, data->dreq);  in nfs_commit_release_pages()
1901 	nfs_commit_end(cinfo.mds);  in nfs_commit_release_pages()
1924 			    int how, struct nfs_commit_info *cinfo)  in nfs_generic_commit_list()  argument
1928 	status = pnfs_commit_list(inode, head, how, cinfo);  in nfs_generic_commit_list()
1930 		status = nfs_commit_list(inode, head, how, cinfo);  in nfs_generic_commit_list()
1938 	struct nfs_commit_info cinfo;  in __nfs_commit_inode()  local
1943 	nfs_init_cinfo_from_inode(&cinfo, inode);  in __nfs_commit_inode()
1944 	nfs_commit_begin(cinfo.mds);  in __nfs_commit_inode()
1946 		ret = nscan = nfs_scan_commit(inode, &head, &cinfo);  in __nfs_commit_inode()
1949 		ret = nfs_generic_commit_list(inode, &head, how, &cinfo);  in __nfs_commit_inode()
1963 	nfs_commit_end(cinfo.mds);  in __nfs_commit_inode()
1966 	return wait_on_commit(cinfo.mds);  in __nfs_commit_inode()