fs/ext4/inode.c

395 int ext4_issue_zeroout(struct inode *inode, ext4_lblk_t lblk, ext4_fsblk_t pblk,
401 		return fscrypt_zeroout_range(inode, lblk, pblk, len);
1630  * @lblk - logical block to be added
1634 static int ext4_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk)
1641 	 * If the cluster containing lblk is shared with a delayed,
1656 		if (!ext4_es_scan_clu(inode, &ext4_es_is_delonly, lblk)) {
1658 					      &ext4_es_is_mapped, lblk)) {
1660 						      EXT4_B2C(sbi, lblk));
1676 	ext4_es_insert_delayed_block(inode, lblk, allocated);
1889  * @lblk - logical number of the block in the file
1899 static bool mpage_add_bh_to_extent(struct mpage_da_data *mpd, ext4_lblk_t lblk,
1918 		map->m_lblk = lblk;
1929 	if (lblk == map->m_lblk + map->m_len &&
1943  * @lblk - logical number of the block in the file corresponding to @bh
1956 				   ext4_lblk_t lblk)
1969 		if (lblk >= blocks || !mpage_add_bh_to_extent(mpd, lblk, bh)) {
1979 	} while (lblk++, (bh = bh->b_this_page) != head);
1987 	if (lblk >= blocks) {
2016 	ext4_lblk_t lblk = *m_lblk;
2025 		if (lblk < mpd->map.m_lblk)
2027 		if (lblk >= mpd->map.m_lblk + mpd->map.m_len) {
2036 			err = mpage_process_page_bufs(mpd, head, bh, lblk);
2039 			if (!err && mpd->map.m_len && mpd->map.m_lblk > lblk) {
2056 	} while (lblk++, (bh = bh->b_this_page) != head);
2061 	*m_lblk = lblk;
2087 	ext4_lblk_t lblk;
2094 	lblk = start << bpp_bits;
2105 			err = mpage_process_folio(mpd, folio, &lblk, &pblock,
2180  * mpage_map_and_submit_extent - map extent starting at mpd->lblk of length
2189  * The function maps extent starting at mpd->lblk of length mpd->len. If it is
2354  * extent found is returned in @mpd structure (starting at mpd->lblk with
2372 	ext4_lblk_t lblk;
2487 				lblk = ((ext4_lblk_t)folio->index) <<
2491 						lblk);