Lines Matching refs:wc
790 static void ocfs2_unlock_pages(struct ocfs2_write_ctxt *wc) in ocfs2_unlock_pages() argument
799 if (wc->w_target_locked) { in ocfs2_unlock_pages()
800 BUG_ON(!wc->w_target_page); in ocfs2_unlock_pages()
801 for (i = 0; i < wc->w_num_pages; i++) { in ocfs2_unlock_pages()
802 if (wc->w_target_page == wc->w_pages[i]) { in ocfs2_unlock_pages()
803 wc->w_pages[i] = NULL; in ocfs2_unlock_pages()
807 mark_page_accessed(wc->w_target_page); in ocfs2_unlock_pages()
808 put_page(wc->w_target_page); in ocfs2_unlock_pages()
810 ocfs2_unlock_and_free_pages(wc->w_pages, wc->w_num_pages); in ocfs2_unlock_pages()
829 struct ocfs2_write_ctxt *wc) in ocfs2_free_write_ctxt() argument
831 ocfs2_free_unwritten_list(inode, &wc->w_unwritten_list); in ocfs2_free_write_ctxt()
832 ocfs2_unlock_pages(wc); in ocfs2_free_write_ctxt()
833 brelse(wc->w_di_bh); in ocfs2_free_write_ctxt()
834 kfree(wc); in ocfs2_free_write_ctxt()
843 struct ocfs2_write_ctxt *wc; in ocfs2_alloc_write_ctxt() local
845 wc = kzalloc(sizeof(struct ocfs2_write_ctxt), GFP_NOFS); in ocfs2_alloc_write_ctxt()
846 if (!wc) in ocfs2_alloc_write_ctxt()
849 wc->w_cpos = pos >> osb->s_clustersize_bits; in ocfs2_alloc_write_ctxt()
850 wc->w_first_new_cpos = UINT_MAX; in ocfs2_alloc_write_ctxt()
852 wc->w_clen = cend - wc->w_cpos + 1; in ocfs2_alloc_write_ctxt()
854 wc->w_di_bh = di_bh; in ocfs2_alloc_write_ctxt()
855 wc->w_type = type; in ocfs2_alloc_write_ctxt()
858 wc->w_large_pages = 1; in ocfs2_alloc_write_ctxt()
860 wc->w_large_pages = 0; in ocfs2_alloc_write_ctxt()
862 ocfs2_init_dealloc_ctxt(&wc->w_dealloc); in ocfs2_alloc_write_ctxt()
863 INIT_LIST_HEAD(&wc->w_unwritten_list); in ocfs2_alloc_write_ctxt()
865 *wcp = wc; in ocfs2_alloc_write_ctxt()
916 struct ocfs2_write_ctxt *wc, in ocfs2_write_failure() argument
924 if (wc->w_target_page) in ocfs2_write_failure()
925 ocfs2_zero_new_buffers(wc->w_target_page, from, to); in ocfs2_write_failure()
927 for(i = 0; i < wc->w_num_pages; i++) { in ocfs2_write_failure()
928 tmppage = wc->w_pages[i]; in ocfs2_write_failure()
932 ocfs2_jbd2_inode_add_write(wc->w_handle, inode, in ocfs2_write_failure()
941 struct ocfs2_write_ctxt *wc, in ocfs2_prepare_page_for_write() argument
960 if (page == wc->w_target_page) { in ocfs2_prepare_page_for_write()
1025 struct ocfs2_write_ctxt *wc, in ocfs2_grab_pages_for_write() argument
1045 wc->w_num_pages = ocfs2_pages_per_cluster(inode->i_sb); in ocfs2_grab_pages_for_write()
1055 if ((start + wc->w_num_pages) > end_index) in ocfs2_grab_pages_for_write()
1056 wc->w_num_pages = end_index - start; in ocfs2_grab_pages_for_write()
1058 wc->w_num_pages = 1; in ocfs2_grab_pages_for_write()
1063 for(i = 0; i < wc->w_num_pages; i++) { in ocfs2_grab_pages_for_write()
1067 wc->w_type == OCFS2_WRITE_MMAP) { in ocfs2_grab_pages_for_write()
1084 wc->w_pages[i] = mmap_page; in ocfs2_grab_pages_for_write()
1085 wc->w_target_locked = true; in ocfs2_grab_pages_for_write()
1087 wc->w_type == OCFS2_WRITE_DIRECT) { in ocfs2_grab_pages_for_write()
1089 wc->w_pages[i] = NULL; in ocfs2_grab_pages_for_write()
1092 wc->w_pages[i] = find_or_create_page(mapping, index, in ocfs2_grab_pages_for_write()
1094 if (!wc->w_pages[i]) { in ocfs2_grab_pages_for_write()
1100 wait_for_stable_page(wc->w_pages[i]); in ocfs2_grab_pages_for_write()
1103 wc->w_target_page = wc->w_pages[i]; in ocfs2_grab_pages_for_write()
1107 wc->w_target_locked = false; in ocfs2_grab_pages_for_write()
1120 struct ocfs2_write_ctxt *wc, u32 cpos, in ocfs2_write_cluster() argument
1139 wc->w_di_bh, wc->w_handle, in ocfs2_write_cluster()
1159 wc->w_di_bh); in ocfs2_write_cluster()
1161 wc->w_handle, cpos, 1, *phys, in ocfs2_write_cluster()
1162 meta_ac, &wc->w_dealloc); in ocfs2_write_cluster()
1187 for(i = 0; i < wc->w_num_pages; i++) { in ocfs2_write_cluster()
1191 if (wc->w_pages[i] == NULL) { in ocfs2_write_cluster()
1196 tmpret = ocfs2_prepare_page_for_write(inode, &p_blkno, wc, in ocfs2_write_cluster()
1197 wc->w_pages[i], cpos, in ocfs2_write_cluster()
1211 ocfs2_write_failure(inode, wc, user_pos, user_len); in ocfs2_write_cluster()
1221 struct ocfs2_write_ctxt *wc, in ocfs2_write_cluster_by_desc() argument
1230 for (i = 0; i < wc->w_clen; i++) { in ocfs2_write_cluster_by_desc()
1231 desc = &wc->w_desc[i]; in ocfs2_write_cluster_by_desc()
1247 wc, desc->c_cpos, pos, local_len); in ocfs2_write_cluster_by_desc()
1268 struct ocfs2_write_ctxt *wc, in ocfs2_set_target_boundaries() argument
1273 wc->w_target_from = pos & (PAGE_SIZE - 1); in ocfs2_set_target_boundaries()
1274 wc->w_target_to = wc->w_target_from + len; in ocfs2_set_target_boundaries()
1288 if (wc->w_large_pages) { in ocfs2_set_target_boundaries()
1295 desc = &wc->w_desc[0]; in ocfs2_set_target_boundaries()
1299 &wc->w_target_from, in ocfs2_set_target_boundaries()
1302 desc = &wc->w_desc[wc->w_clen - 1]; in ocfs2_set_target_boundaries()
1307 &wc->w_target_to); in ocfs2_set_target_boundaries()
1309 wc->w_target_from = 0; in ocfs2_set_target_boundaries()
1310 wc->w_target_to = PAGE_SIZE; in ocfs2_set_target_boundaries()
1322 struct ocfs2_write_ctxt *wc, in ocfs2_unwritten_check() argument
1346 if (wc->w_type != OCFS2_WRITE_DIRECT) in ocfs2_unwritten_check()
1364 list_add_tail(&new->ue_node, &wc->w_unwritten_list); in ocfs2_unwritten_check()
1365 wc->w_unwritten_count++; in ocfs2_unwritten_check()
1383 struct ocfs2_write_ctxt *wc, in ocfs2_populate_write_desc() argument
1397 for (i = 0; i < wc->w_clen; i++) { in ocfs2_populate_write_desc()
1398 desc = &wc->w_desc[i]; in ocfs2_populate_write_desc()
1399 desc->c_cpos = wc->w_cpos + i; in ocfs2_populate_write_desc()
1440 if (desc->c_cpos >= wc->w_first_new_cpos) { in ocfs2_populate_write_desc()
1458 ret = ocfs2_unwritten_check(inode, wc, desc); in ocfs2_populate_write_desc()
1474 struct ocfs2_write_ctxt *wc) in ocfs2_write_begin_inline() argument
1480 struct ocfs2_dinode *di = (struct ocfs2_dinode *)wc->w_di_bh->b_data; in ocfs2_write_begin_inline()
1500 wc->w_pages[0] = wc->w_target_page = page; in ocfs2_write_begin_inline()
1501 wc->w_num_pages = 1; in ocfs2_write_begin_inline()
1503 ret = ocfs2_journal_access_di(handle, INODE_CACHE(inode), wc->w_di_bh, in ocfs2_write_begin_inline()
1516 ret = ocfs2_read_inline_data(inode, page, wc->w_di_bh); in ocfs2_write_begin_inline()
1524 wc->w_handle = handle; in ocfs2_write_begin_inline()
1541 struct ocfs2_write_ctxt *wc) in ocfs2_try_to_write_inline_data() argument
1557 ocfs2_size_fits_inline_data(wc->w_di_bh, end)) in ocfs2_try_to_write_inline_data()
1564 ret = ocfs2_convert_inline_data_to_extents(inode, wc->w_di_bh); in ocfs2_try_to_write_inline_data()
1579 di = (struct ocfs2_dinode *)wc->w_di_bh->b_data; in ocfs2_try_to_write_inline_data()
1585 ret = ocfs2_write_begin_inline(mapping, inode, wc); in ocfs2_try_to_write_inline_data()
1612 struct ocfs2_write_ctxt *wc) in ocfs2_expand_nonsparse_inode() argument
1627 if (wc) in ocfs2_expand_nonsparse_inode()
1628 wc->w_first_new_cpos = in ocfs2_expand_nonsparse_inode()
1653 struct ocfs2_write_ctxt *wc; in ocfs2_write_begin_nolock() local
1664 ret = ocfs2_alloc_write_ctxt(&wc, osb, pos, len, type, di_bh); in ocfs2_write_begin_nolock()
1672 mmap_page, wc); in ocfs2_write_begin_nolock()
1689 len, wc); in ocfs2_write_begin_nolock()
1701 clusters_need = wc->w_clen; in ocfs2_write_begin_nolock()
1703 wc->w_cpos, wc->w_clen, UINT_MAX); in ocfs2_write_begin_nolock()
1710 ret = ocfs2_populate_write_desc(inode, wc, &clusters_to_alloc, in ocfs2_write_begin_nolock()
1718 di = (struct ocfs2_dinode *)wc->w_di_bh->b_data; in ocfs2_write_begin_nolock()
1740 wc->w_di_bh); in ocfs2_write_begin_nolock()
1763 if (wc->w_clen && (wc->w_desc[0].c_needs_zero || in ocfs2_write_begin_nolock()
1764 wc->w_desc[wc->w_clen - 1].c_needs_zero)) in ocfs2_write_begin_nolock()
1769 ocfs2_set_target_boundaries(osb, wc, pos, len, cluster_of_pages); in ocfs2_write_begin_nolock()
1778 wc->w_handle = handle; in ocfs2_write_begin_nolock()
1787 ret = ocfs2_journal_access_di(handle, INODE_CACHE(inode), wc->w_di_bh, in ocfs2_write_begin_nolock()
1799 ret = ocfs2_grab_pages_for_write(mapping, wc, wc->w_cpos, pos, len, in ocfs2_write_begin_nolock()
1809 BUG_ON(wc->w_target_page); in ocfs2_write_begin_nolock()
1818 ret = ocfs2_write_cluster_by_desc(mapping, data_ac, meta_ac, wc, pos, in ocfs2_write_begin_nolock()
1832 *pagep = wc->w_target_page; in ocfs2_write_begin_nolock()
1833 *fsdata = wc; in ocfs2_write_begin_nolock()
1850 if (wc->w_target_locked) in ocfs2_write_begin_nolock()
1853 ocfs2_free_write_ctxt(inode, wc); in ocfs2_write_begin_nolock()
1928 struct ocfs2_write_ctxt *wc) in ocfs2_write_end_inline() argument
1933 if (!PageUptodate(wc->w_target_page)) { in ocfs2_write_end_inline()
1939 kaddr = kmap_atomic(wc->w_target_page); in ocfs2_write_end_inline()
1957 struct ocfs2_write_ctxt *wc = fsdata; in ocfs2_write_end_nolock() local
1958 struct ocfs2_dinode *di = (struct ocfs2_dinode *)wc->w_di_bh->b_data; in ocfs2_write_end_nolock()
1959 handle_t *handle = wc->w_handle; in ocfs2_write_end_nolock()
1962 BUG_ON(!list_empty(&wc->w_unwritten_list)); in ocfs2_write_end_nolock()
1966 wc->w_di_bh, OCFS2_JOURNAL_ACCESS_WRITE); in ocfs2_write_end_nolock()
1975 ocfs2_write_end_inline(inode, pos, len, &copied, di, wc); in ocfs2_write_end_nolock()
1979 if (unlikely(copied < len) && wc->w_target_page) { in ocfs2_write_end_nolock()
1982 if (!PageUptodate(wc->w_target_page)) in ocfs2_write_end_nolock()
1986 if (new_isize > page_offset(wc->w_target_page)) in ocfs2_write_end_nolock()
1987 ocfs2_zero_new_buffers(wc->w_target_page, start+copied, in ocfs2_write_end_nolock()
1997 block_invalidate_folio(page_folio(wc->w_target_page), in ocfs2_write_end_nolock()
2001 if (wc->w_target_page) in ocfs2_write_end_nolock()
2002 flush_dcache_page(wc->w_target_page); in ocfs2_write_end_nolock()
2004 for(i = 0; i < wc->w_num_pages; i++) { in ocfs2_write_end_nolock()
2005 tmppage = wc->w_pages[i]; in ocfs2_write_end_nolock()
2011 if (tmppage == wc->w_target_page) { in ocfs2_write_end_nolock()
2012 from = wc->w_target_from; in ocfs2_write_end_nolock()
2013 to = wc->w_target_to; in ocfs2_write_end_nolock()
2043 if (wc->w_type != OCFS2_WRITE_DIRECT) { in ocfs2_write_end_nolock()
2058 ocfs2_journal_dirty(handle, wc->w_di_bh); in ocfs2_write_end_nolock()
2066 ocfs2_unlock_pages(wc); in ocfs2_write_end_nolock()
2071 ocfs2_run_deallocs(osb, &wc->w_dealloc); in ocfs2_write_end_nolock()
2073 brelse(wc->w_di_bh); in ocfs2_write_end_nolock()
2074 kfree(wc); in ocfs2_write_end_nolock()
2147 struct ocfs2_write_ctxt *wc; in ocfs2_dio_wr_get_block() local
2242 (void **)&wc, di_bh, NULL); in ocfs2_dio_wr_get_block()
2248 desc = &wc->w_desc[0]; in ocfs2_dio_wr_get_block()
2266 if (!list_empty(&wc->w_unwritten_list)) { in ocfs2_dio_wr_get_block()
2269 ue = list_first_entry(&wc->w_unwritten_list, in ocfs2_dio_wr_get_block()
2276 list_splice_tail_init(&wc->w_unwritten_list, &dwc->dw_zero_list); in ocfs2_dio_wr_get_block()
2277 dwc->dw_zero_count += wc->w_unwritten_count; in ocfs2_dio_wr_get_block()
2280 ret = ocfs2_write_end_nolock(inode->i_mapping, pos, len, len, wc); in ocfs2_dio_wr_get_block()