Lines Matching refs:mpd
1542 static void mpage_release_unused_pages(struct mpage_da_data *mpd, in mpage_release_unused_pages() argument
1548 struct inode *inode = mpd->inode; in mpage_release_unused_pages()
1552 if (mpd->first_page >= mpd->next_page) in mpage_release_unused_pages()
1555 mpd->scanned_until_end = 0; in mpage_release_unused_pages()
1556 index = mpd->first_page; in mpage_release_unused_pages()
1557 end = mpd->next_page - 1; in mpage_release_unused_pages()
2068 static int mpage_submit_page(struct mpage_da_data *mpd, struct page *page) in mpage_submit_page() argument
2074 BUG_ON(page->index != mpd->first_page); in mpage_submit_page()
2089 size = i_size_read(mpd->inode); in mpage_submit_page()
2091 !ext4_verity_in_progress(mpd->inode)) in mpage_submit_page()
2095 err = ext4_bio_write_page(&mpd->io_submit, page, len, false); in mpage_submit_page()
2097 mpd->wbc->nr_to_write--; in mpage_submit_page()
2098 mpd->first_page++; in mpage_submit_page()
2126 static bool mpage_add_bh_to_extent(struct mpage_da_data *mpd, ext4_lblk_t lblk, in mpage_add_bh_to_extent() argument
2129 struct ext4_map_blocks *map = &mpd->map; in mpage_add_bh_to_extent()
2143 if (!mpd->do_map) in mpage_add_bh_to_extent()
2180 static int mpage_process_page_bufs(struct mpage_da_data *mpd, in mpage_process_page_bufs() argument
2185 struct inode *inode = mpd->inode; in mpage_process_page_bufs()
2196 if (lblk >= blocks || !mpage_add_bh_to_extent(mpd, lblk, bh)) { in mpage_process_page_bufs()
2198 if (mpd->map.m_len) in mpage_process_page_bufs()
2201 if (!mpd->do_map) in mpage_process_page_bufs()
2208 if (mpd->map.m_len == 0) { in mpage_process_page_bufs()
2209 err = mpage_submit_page(mpd, head->b_page); in mpage_process_page_bufs()
2214 mpd->scanned_until_end = 1; in mpage_process_page_bufs()
2235 static int mpage_process_page(struct mpage_da_data *mpd, struct page *page, in mpage_process_page() argument
2240 ext4_io_end_t *io_end = mpd->io_submit.io_end; in mpage_process_page()
2244 int blkbits = mpd->inode->i_blkbits; in mpage_process_page()
2250 if (lblk < mpd->map.m_lblk) in mpage_process_page()
2252 if (lblk >= mpd->map.m_lblk + mpd->map.m_len) { in mpage_process_page()
2257 mpd->map.m_len = 0; in mpage_process_page()
2258 mpd->map.m_flags = 0; in mpage_process_page()
2262 err = mpage_process_page_bufs(mpd, head, bh, lblk); in mpage_process_page()
2265 if (!err && mpd->map.m_len && mpd->map.m_lblk > lblk) { in mpage_process_page()
2271 io_end_vec->offset = (loff_t)mpd->map.m_lblk << blkbits; in mpage_process_page()
2307 static int mpage_map_and_submit_buffers(struct mpage_da_data *mpd) in mpage_map_and_submit_buffers() argument
2311 struct inode *inode = mpd->inode; in mpage_map_and_submit_buffers()
2319 start = mpd->map.m_lblk >> bpp_bits; in mpage_map_and_submit_buffers()
2320 end = (mpd->map.m_lblk + mpd->map.m_len - 1) >> bpp_bits; in mpage_map_and_submit_buffers()
2322 pblock = mpd->map.m_pblk; in mpage_map_and_submit_buffers()
2333 err = mpage_process_page(mpd, page, &lblk, &pblock, in mpage_map_and_submit_buffers()
2343 err = mpage_submit_page(mpd, page); in mpage_map_and_submit_buffers()
2350 mpd->map.m_len = 0; in mpage_map_and_submit_buffers()
2351 mpd->map.m_flags = 0; in mpage_map_and_submit_buffers()
2358 static int mpage_map_one_extent(handle_t *handle, struct mpage_da_data *mpd) in mpage_map_one_extent() argument
2360 struct inode *inode = mpd->inode; in mpage_map_one_extent()
2361 struct ext4_map_blocks *map = &mpd->map; in mpage_map_one_extent()
2394 if (!mpd->io_submit.io_end->handle && in mpage_map_one_extent()
2396 mpd->io_submit.io_end->handle = handle->h_rsv_handle; in mpage_map_one_extent()
2399 ext4_set_io_unwritten_flag(inode, mpd->io_submit.io_end); in mpage_map_one_extent()
2427 struct mpage_da_data *mpd, in mpage_map_and_submit_extent() argument
2430 struct inode *inode = mpd->inode; in mpage_map_and_submit_extent()
2431 struct ext4_map_blocks *map = &mpd->map; in mpage_map_and_submit_extent()
2435 ext4_io_end_t *io_end = mpd->io_submit.io_end; in mpage_map_and_submit_extent()
2443 err = mpage_map_one_extent(handle, mpd); in mpage_map_and_submit_extent()
2482 err = mpage_map_and_submit_buffers(mpd); in mpage_map_and_submit_extent()
2492 disksize = ((loff_t)mpd->first_page) << PAGE_SHIFT; in mpage_map_and_submit_extent()
2549 static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) in mpage_prepare_extent_to_map() argument
2551 struct address_space *mapping = mpd->inode->i_mapping; in mpage_prepare_extent_to_map()
2554 long left = mpd->wbc->nr_to_write; in mpage_prepare_extent_to_map()
2555 pgoff_t index = mpd->first_page; in mpage_prepare_extent_to_map()
2556 pgoff_t end = mpd->last_page; in mpage_prepare_extent_to_map()
2559 int blkbits = mpd->inode->i_blkbits; in mpage_prepare_extent_to_map()
2563 if (mpd->wbc->sync_mode == WB_SYNC_ALL || mpd->wbc->tagged_writepages) in mpage_prepare_extent_to_map()
2569 mpd->map.m_len = 0; in mpage_prepare_extent_to_map()
2570 mpd->next_page = index; in mpage_prepare_extent_to_map()
2588 if (mpd->wbc->sync_mode == WB_SYNC_NONE && left <= 0) in mpage_prepare_extent_to_map()
2592 if (mpd->map.m_len > 0 && mpd->next_page != page->index) in mpage_prepare_extent_to_map()
2605 (mpd->wbc->sync_mode == WB_SYNC_NONE)) || in mpage_prepare_extent_to_map()
2614 if (mpd->map.m_len == 0) in mpage_prepare_extent_to_map()
2615 mpd->first_page = page->index; in mpage_prepare_extent_to_map()
2616 mpd->next_page = page->index + 1; in mpage_prepare_extent_to_map()
2621 err = mpage_process_page_bufs(mpd, head, head, lblk); in mpage_prepare_extent_to_map()
2630 mpd->scanned_until_end = 1; in mpage_prepare_extent_to_map()
2645 struct mpage_da_data mpd; in ext4_writepages() local
2721 mpd.first_page = writeback_index; in ext4_writepages()
2722 mpd.last_page = -1; in ext4_writepages()
2724 mpd.first_page = wbc->range_start >> PAGE_SHIFT; in ext4_writepages()
2725 mpd.last_page = wbc->range_end >> PAGE_SHIFT; in ext4_writepages()
2728 mpd.inode = inode; in ext4_writepages()
2729 mpd.wbc = wbc; in ext4_writepages()
2730 ext4_io_submit_init(&mpd.io_submit, wbc); in ext4_writepages()
2733 tag_pages_for_writeback(mapping, mpd.first_page, mpd.last_page); in ext4_writepages()
2742 mpd.do_map = 0; in ext4_writepages()
2743 mpd.scanned_until_end = 0; in ext4_writepages()
2744 mpd.io_submit.io_end = ext4_init_io_end(inode, GFP_KERNEL); in ext4_writepages()
2745 if (!mpd.io_submit.io_end) { in ext4_writepages()
2749 ret = mpage_prepare_extent_to_map(&mpd); in ext4_writepages()
2751 mpage_release_unused_pages(&mpd, false); in ext4_writepages()
2753 ext4_io_submit(&mpd.io_submit); in ext4_writepages()
2754 ext4_put_io_end_defer(mpd.io_submit.io_end); in ext4_writepages()
2755 mpd.io_submit.io_end = NULL; in ext4_writepages()
2759 while (!mpd.scanned_until_end && wbc->nr_to_write > 0) { in ext4_writepages()
2761 mpd.io_submit.io_end = ext4_init_io_end(inode, GFP_KERNEL); in ext4_writepages()
2762 if (!mpd.io_submit.io_end) { in ext4_writepages()
2786 ext4_put_io_end(mpd.io_submit.io_end); in ext4_writepages()
2787 mpd.io_submit.io_end = NULL; in ext4_writepages()
2790 mpd.do_map = 1; in ext4_writepages()
2792 trace_ext4_da_write_pages(inode, mpd.first_page, mpd.wbc); in ext4_writepages()
2793 ret = mpage_prepare_extent_to_map(&mpd); in ext4_writepages()
2794 if (!ret && mpd.map.m_len) in ext4_writepages()
2795 ret = mpage_map_and_submit_extent(handle, &mpd, in ext4_writepages()
2810 mpd.do_map = 0; in ext4_writepages()
2813 mpage_release_unused_pages(&mpd, give_up_on_write); in ext4_writepages()
2815 ext4_io_submit(&mpd.io_submit); in ext4_writepages()
2825 ext4_put_io_end_defer(mpd.io_submit.io_end); in ext4_writepages()
2828 ext4_put_io_end(mpd.io_submit.io_end); in ext4_writepages()
2829 mpd.io_submit.io_end = NULL; in ext4_writepages()
2849 mpd.last_page = writeback_index - 1; in ext4_writepages()
2850 mpd.first_page = 0; in ext4_writepages()
2860 mapping->writeback_index = mpd.first_page; in ext4_writepages()