64 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_symlink_get_block()  local
99 		buffer_cache_bh = sb_getblk(osb->sb, blkno);  in ocfs2_symlink_get_block()
144 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_get_block()  local
182 	if (create && p_blkno == 0 && ocfs2_sparse_alloc(osb)) {  in ocfs2_get_block()
194 	if (!ocfs2_sparse_alloc(osb)) {  in ocfs2_get_block()
644 static int ocfs2_is_overwrite(struct ocfs2_super *osb,  in ocfs2_is_overwrite()  argument
653 	v_cpos = ocfs2_bytes_to_clusters(osb->sb, offset);  in ocfs2_is_overwrite()
667 static int ocfs2_direct_IO_zero_extend(struct ocfs2_super *osb,  in ocfs2_direct_IO_zero_extend()  argument
672 	u32 v_cpos = ocfs2_bytes_to_clusters(osb->sb, i_size_read(inode));  in ocfs2_direct_IO_zero_extend()
689 		sector_t sector = ((u64)p_cpos << (osb->s_clustersize_bits - 9)) +  in ocfs2_direct_IO_zero_extend()
690 			(do_div(s, osb->s_clustersize) >> 9);  in ocfs2_direct_IO_zero_extend()
692 		ret = blkdev_issue_zeroout(osb->sb->s_bdev, sector,  in ocfs2_direct_IO_zero_extend()
701 static int ocfs2_direct_IO_extend_no_holes(struct ocfs2_super *osb,  in ocfs2_direct_IO_extend_no_holes()  argument
706 	u32 v_cpos = ocfs2_bytes_to_clusters(osb->sb, i_size_read(inode));  in ocfs2_direct_IO_extend_no_holes()
716 		offset_div = do_div(o, osb->s_clustersize);  in ocfs2_direct_IO_extend_no_holes()
717 		size_div = do_div(s, osb->s_clustersize);  in ocfs2_direct_IO_extend_no_holes()
750 		zero_start = ocfs2_clusters_to_bytes(osb->sb, p_cpos) +  in ocfs2_direct_IO_extend_no_holes()
752 		zero_len = ocfs2_clusters_to_bytes(osb->sb, num_clusters) -  in ocfs2_direct_IO_extend_no_holes()
757 			ret = blkdev_issue_zeroout(osb->sb->s_bdev,  in ocfs2_direct_IO_extend_no_holes()
767 		v_cpos += ocfs2_bytes_to_clusters(osb->sb, zero_len + size_div);  in ocfs2_direct_IO_extend_no_holes()
788 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_direct_IO_write()  local
791 	journal_t *journal = osb->journal->j_journal;  in ocfs2_direct_IO_write()
803 		zero_len_head = do_div(o, 1 << osb->s_clustersize_bits);  in ocfs2_direct_IO_write()
806 		zero_len_tail = osb->s_clustersize -  in ocfs2_direct_IO_write()
807 			do_div(s, osb->s_clustersize);  in ocfs2_direct_IO_write()
819 		ret = ocfs2_add_inode_to_orphan(osb, inode);  in ocfs2_direct_IO_write()
837 			ret = ocfs2_direct_IO_zero_extend(osb, inode, offset,  in ocfs2_direct_IO_write()
840 			ret = ocfs2_direct_IO_extend_no_holes(osb, inode,  in ocfs2_direct_IO_write()
848 		is_overwrite = ocfs2_is_overwrite(osb, inode, offset);  in ocfs2_direct_IO_write()
895 		u32 v_cpos = ocfs2_bytes_to_clusters(osb->sb, offset);  in ocfs2_direct_IO_write()
913 		ret = blkdev_issue_zeroout(osb->sb->s_bdev,  in ocfs2_direct_IO_write()
914 				(u64)p_cpos << (osb->s_clustersize_bits - 9),  in ocfs2_direct_IO_write()
928 		tmp_ret = ocfs2_del_inode_from_orphan(osb, inode,  in ocfs2_direct_IO_write()
953 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_direct_IO()  local
954 	int full_coherency = !(osb->s_mount_opt &  in ocfs2_direct_IO()
979 static void ocfs2_figure_cluster_boundaries(struct ocfs2_super *osb,  in ocfs2_figure_cluster_boundaries()  argument
986 	if (unlikely(PAGE_CACHE_SHIFT > osb->s_clustersize_bits)) {  in ocfs2_figure_cluster_boundaries()
989 		cpp = 1 << (PAGE_CACHE_SHIFT - osb->s_clustersize_bits);  in ocfs2_figure_cluster_boundaries()
992 		cluster_start = cluster_start << osb->s_clustersize_bits;  in ocfs2_figure_cluster_boundaries()
994 		cluster_end = cluster_start + osb->s_clustersize;  in ocfs2_figure_cluster_boundaries()
1015 				     struct ocfs2_super *osb, u32 cpos,  in ocfs2_clear_page_regions()  argument
1021 	ocfs2_figure_cluster_boundaries(osb, cpos, &cluster_start, &cluster_end);  in ocfs2_clear_page_regions()
1282 				  struct ocfs2_super *osb, loff_t pos,  in ocfs2_alloc_write_ctxt()  argument
1292 	wc->w_cpos = pos >> osb->s_clustersize_bits;  in ocfs2_alloc_write_ctxt()
1294 	cend = (pos + len - 1) >> osb->s_clustersize_bits;  in ocfs2_alloc_write_ctxt()
1299 	if (unlikely(PAGE_CACHE_SHIFT > osb->s_clustersize_bits))  in ocfs2_alloc_write_ctxt()
1656 	struct ocfs2_super *osb = OCFS2_SB(mapping->host->i_sb);  in ocfs2_write_cluster_by_desc()  local
1666 		cluster_off = pos & (osb->s_clustersize - 1);  in ocfs2_write_cluster_by_desc()
1667 		if ((cluster_off + local_len) > osb->s_clustersize)  in ocfs2_write_cluster_by_desc()
1668 			local_len = osb->s_clustersize - cluster_off;  in ocfs2_write_cluster_by_desc()
1694 static void ocfs2_set_target_boundaries(struct ocfs2_super *osb,  in ocfs2_set_target_boundaries()  argument
1724 			ocfs2_figure_cluster_boundaries(osb,  in ocfs2_set_target_boundaries()
1731 			ocfs2_figure_cluster_boundaries(osb,  in ocfs2_set_target_boundaries()
1837 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_write_begin_inline()  local
1842 	handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);  in ocfs2_write_begin_inline()
1851 		ocfs2_commit_trans(osb, handle);  in ocfs2_write_begin_inline()
1866 		ocfs2_commit_trans(osb, handle);  in ocfs2_write_begin_inline()
1878 			ocfs2_commit_trans(osb, handle);  in ocfs2_write_begin_inline()
2009 static int ocfs2_try_to_free_truncate_log(struct ocfs2_super *osb,  in ocfs2_try_to_free_truncate_log()  argument
2016 	mutex_lock(&osb->osb_tl_inode->i_mutex);  in ocfs2_try_to_free_truncate_log()
2017 	truncated_clusters = osb->truncated_clusters;  in ocfs2_try_to_free_truncate_log()
2018 	mutex_unlock(&osb->osb_tl_inode->i_mutex);  in ocfs2_try_to_free_truncate_log()
2027 	ret = ocfs2_flush_truncate_log(osb);  in ocfs2_try_to_free_truncate_log()
2033 	if (jbd2_journal_start_commit(osb->journal->j_journal, &target)) {  in ocfs2_try_to_free_truncate_log()
2034 		jbd2_log_wait_commit(osb->journal->j_journal, target);  in ocfs2_try_to_free_truncate_log()
2051 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_write_begin_nolock()  local
2060 	ret = ocfs2_alloc_write_ctxt(&wc, osb, pos, len, di_bh);  in ocfs2_write_begin_nolock()
2066 	if (ocfs2_supports_inline_data(osb)) {  in ocfs2_write_begin_nolock()
2079 	if (ocfs2_sparse_alloc(osb))  in ocfs2_write_begin_nolock()
2162 	ocfs2_set_target_boundaries(osb, wc, pos, len, cluster_of_pages);  in ocfs2_write_begin_nolock()
2164 	handle = ocfs2_start_trans(osb, credits);  in ocfs2_write_begin_nolock()
2175 			ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc));  in ocfs2_write_begin_nolock()
2233 			  ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc));  in ocfs2_write_begin_nolock()
2235 	ocfs2_commit_trans(osb, handle);  in ocfs2_write_begin_nolock()
2256 		ret1 = ocfs2_try_to_free_truncate_log(osb, clusters_need);  in ocfs2_write_begin_nolock()
2342 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_write_end_nolock()  local
2410 	ocfs2_commit_trans(osb, handle);  in ocfs2_write_end_nolock()
2412 	ocfs2_run_deallocs(osb, &wc->w_dealloc);  in ocfs2_write_end_nolock()