62 static void nfs_init_cinfo_from_inode(struct nfs_commit_info *cinfo,
826 	struct nfs_commit_info cinfo;  in nfs_page_search_commits_for_head_request_locked()  local
829 	nfs_init_cinfo_from_inode(&cinfo, inode);  in nfs_page_search_commits_for_head_request_locked()
832 	freq = pnfs_search_commit_reqs(inode, &cinfo, page);  in nfs_page_search_commits_for_head_request_locked()
837 	list_for_each_entry_safe(freq, t, &cinfo.mds->list, wb_list) {  in nfs_page_search_commits_for_head_request_locked()
860 			    struct nfs_commit_info *cinfo)  in nfs_request_add_commit_list_locked()  argument
864 	atomic_long_inc(&cinfo->mds->ncommit);  in nfs_request_add_commit_list_locked()
881 nfs_request_add_commit_list(struct nfs_page *req, struct nfs_commit_info *cinfo)  in nfs_request_add_commit_list()  argument
883 	mutex_lock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_request_add_commit_list()
884 	nfs_request_add_commit_list_locked(req, &cinfo->mds->list, cinfo);  in nfs_request_add_commit_list()
885 	mutex_unlock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_request_add_commit_list()
887 		nfs_mark_page_unstable(req->wb_page, cinfo);  in nfs_request_add_commit_list()
904 			       struct nfs_commit_info *cinfo)  in nfs_request_remove_commit_list()  argument
909 	atomic_long_dec(&cinfo->mds->ncommit);  in nfs_request_remove_commit_list()
913 static void nfs_init_cinfo_from_inode(struct nfs_commit_info *cinfo,  in nfs_init_cinfo_from_inode()  argument
916 	cinfo->inode = inode;  in nfs_init_cinfo_from_inode()
917 	cinfo->mds = &NFS_I(inode)->commit_info;  in nfs_init_cinfo_from_inode()
918 	cinfo->ds = pnfs_get_ds_info(inode);  in nfs_init_cinfo_from_inode()
919 	cinfo->dreq = NULL;  in nfs_init_cinfo_from_inode()
920 	cinfo->completion_ops = &nfs_commit_completion_ops;  in nfs_init_cinfo_from_inode()
923 void nfs_init_cinfo(struct nfs_commit_info *cinfo,  in nfs_init_cinfo()  argument
928 		nfs_init_cinfo_from_dreq(cinfo, dreq);  in nfs_init_cinfo()
930 		nfs_init_cinfo_from_inode(cinfo, inode);  in nfs_init_cinfo()
939 			struct nfs_commit_info *cinfo, u32 ds_commit_idx)  in nfs_mark_request_commit()  argument
941 	if (pnfs_mark_request_commit(req, lseg, cinfo, ds_commit_idx))  in nfs_mark_request_commit()
943 	nfs_request_add_commit_list(req, cinfo);  in nfs_mark_request_commit()
961 		struct nfs_commit_info cinfo;  in nfs_clear_request_commit()  local
963 		nfs_init_cinfo_from_inode(&cinfo, inode);  in nfs_clear_request_commit()
965 		if (!pnfs_clear_request_commit(req, &cinfo)) {  in nfs_clear_request_commit()
966 			nfs_request_remove_commit_list(req, &cinfo);  in nfs_clear_request_commit()
987 	struct nfs_commit_info cinfo;  in nfs_write_completion()  local
992 	nfs_init_cinfo_from_inode(&cinfo, hdr->inode);  in nfs_write_completion()
1008 			nfs_mark_request_commit(req, hdr->lseg, &cinfo,  in nfs_write_completion()
1024 nfs_reqs_to_commit(struct nfs_commit_info *cinfo)  in nfs_reqs_to_commit()  argument
1026 	return atomic_long_read(&cinfo->mds->ncommit);  in nfs_reqs_to_commit()
1032 		     struct nfs_commit_info *cinfo, int max)  in nfs_scan_commit_list()  argument
1049 			mutex_unlock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_scan_commit_list()
1052 			mutex_lock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_scan_commit_list()
1057 		nfs_request_remove_commit_list(req, cinfo);  in nfs_scan_commit_list()
1061 		if ((ret == max) && !cinfo->dreq)  in nfs_scan_commit_list()
1080 		struct nfs_commit_info *cinfo)  in nfs_scan_commit()  argument
1084 	if (!atomic_long_read(&cinfo->mds->ncommit))  in nfs_scan_commit()
1086 	mutex_lock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_scan_commit()
1087 	if (atomic_long_read(&cinfo->mds->ncommit) > 0) {  in nfs_scan_commit()
1090 		ret = nfs_scan_commit_list(&cinfo->mds->list, dst,  in nfs_scan_commit()
1091 					   cinfo, max);  in nfs_scan_commit()
1092 		ret += pnfs_scan_commit_lists(inode, cinfo, max - ret);  in nfs_scan_commit()
1094 	mutex_unlock(&NFS_I(cinfo->inode)->commit_mutex);  in nfs_scan_commit()
1655 static int wait_on_commit(struct nfs_mds_commit_info *cinfo)  in wait_on_commit()  argument
1657 	return wait_var_event_killable(&cinfo->rpcs_out,  in wait_on_commit()
1658 				       !atomic_read(&cinfo->rpcs_out));  in wait_on_commit()
1661 static void nfs_commit_begin(struct nfs_mds_commit_info *cinfo)  in nfs_commit_begin()  argument
1663 	atomic_inc(&cinfo->rpcs_out);  in nfs_commit_begin()
1666 static void nfs_commit_end(struct nfs_mds_commit_info *cinfo)  in nfs_commit_end()  argument
1668 	if (atomic_dec_and_test(&cinfo->rpcs_out))  in nfs_commit_end()
1669 		wake_up_var(&cinfo->rpcs_out);  in nfs_commit_end()
1735 		     struct nfs_commit_info *cinfo)  in nfs_init_commit()  argument
1758 	data->completion_ops = cinfo->completion_ops;  in nfs_init_commit()
1759 	data->dreq	  = cinfo->dreq;  in nfs_init_commit()
1774 		      struct nfs_commit_info *cinfo,  in nfs_retry_commit()  argument
1782 		nfs_mark_request_commit(req, lseg, cinfo, ds_commit_idx);  in nfs_retry_commit()
1783 		if (!cinfo->dreq)  in nfs_retry_commit()
1791 nfs_commit_resched_write(struct nfs_commit_info *cinfo,  in nfs_commit_resched_write()  argument
1802 		struct nfs_commit_info *cinfo)  in nfs_commit_list()  argument
1813 	nfs_init_commit(data, head, NULL, cinfo);  in nfs_commit_list()
1814 	atomic_inc(&cinfo->mds->rpcs_out);  in nfs_commit_list()
1839 	struct nfs_commit_info cinfo;  in nfs_commit_release_pages()  local
1885 	nfs_init_cinfo(&cinfo, data->inode, data->dreq);  in nfs_commit_release_pages()
1886 	nfs_commit_end(cinfo.mds);  in nfs_commit_release_pages()
1909 			    int how, struct nfs_commit_info *cinfo)  in nfs_generic_commit_list()  argument
1913 	status = pnfs_commit_list(inode, head, how, cinfo);  in nfs_generic_commit_list()
1915 		status = nfs_commit_list(inode, head, how, cinfo);  in nfs_generic_commit_list()
1923 	struct nfs_commit_info cinfo;  in __nfs_commit_inode()  local
1927 	nfs_init_cinfo_from_inode(&cinfo, inode);  in __nfs_commit_inode()
1928 	nfs_commit_begin(cinfo.mds);  in __nfs_commit_inode()
1930 		ret = nscan = nfs_scan_commit(inode, &head, &cinfo);  in __nfs_commit_inode()
1933 		ret = nfs_generic_commit_list(inode, &head, how, &cinfo);  in __nfs_commit_inode()
1947 	nfs_commit_end(cinfo.mds);  in __nfs_commit_inode()
1950 	return wait_on_commit(cinfo.mds);  in __nfs_commit_inode()