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()
656 static int ocfs2_is_overwrite(struct ocfs2_super *osb,  in ocfs2_is_overwrite()  argument
665 	v_cpos = ocfs2_bytes_to_clusters(osb->sb, offset);  in ocfs2_is_overwrite()
679 static int ocfs2_direct_IO_zero_extend(struct ocfs2_super *osb,  in ocfs2_direct_IO_zero_extend()  argument
684 	u32 v_cpos = ocfs2_bytes_to_clusters(osb->sb, i_size_read(inode));  in ocfs2_direct_IO_zero_extend()
701 		sector_t sector = ((u64)p_cpos << (osb->s_clustersize_bits - 9)) +  in ocfs2_direct_IO_zero_extend()
702 			(do_div(s, osb->s_clustersize) >> 9);  in ocfs2_direct_IO_zero_extend()
704 		ret = blkdev_issue_zeroout(osb->sb->s_bdev, sector,  in ocfs2_direct_IO_zero_extend()
713 static int ocfs2_direct_IO_extend_no_holes(struct ocfs2_super *osb,  in ocfs2_direct_IO_extend_no_holes()  argument
718 	u32 v_cpos = ocfs2_bytes_to_clusters(osb->sb, i_size_read(inode));  in ocfs2_direct_IO_extend_no_holes()
728 		offset_div = do_div(o, osb->s_clustersize);  in ocfs2_direct_IO_extend_no_holes()
729 		size_div = do_div(s, osb->s_clustersize);  in ocfs2_direct_IO_extend_no_holes()
762 		zero_start = ocfs2_clusters_to_bytes(osb->sb, p_cpos) +  in ocfs2_direct_IO_extend_no_holes()
764 		zero_len = ocfs2_clusters_to_bytes(osb->sb, num_clusters) -  in ocfs2_direct_IO_extend_no_holes()
769 			ret = blkdev_issue_zeroout(osb->sb->s_bdev,  in ocfs2_direct_IO_extend_no_holes()
779 		v_cpos += ocfs2_bytes_to_clusters(osb->sb, zero_len + size_div);  in ocfs2_direct_IO_extend_no_holes()
800 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_direct_IO_write()  local
803 	journal_t *journal = osb->journal->j_journal;  in ocfs2_direct_IO_write()
815 		zero_len_head = do_div(o, 1 << osb->s_clustersize_bits);  in ocfs2_direct_IO_write()
818 		zero_len_tail = osb->s_clustersize -  in ocfs2_direct_IO_write()
819 			do_div(s, osb->s_clustersize);  in ocfs2_direct_IO_write()
831 		ret = ocfs2_add_inode_to_orphan(osb, inode);  in ocfs2_direct_IO_write()
850 			ret = ocfs2_direct_IO_zero_extend(osb, inode, offset,  in ocfs2_direct_IO_write()
855 			ret = ocfs2_direct_IO_extend_no_holes(osb, inode,  in ocfs2_direct_IO_write()
865 		is_overwrite = ocfs2_is_overwrite(osb, inode, offset);  in ocfs2_direct_IO_write()
916 		u32 v_cpos = ocfs2_bytes_to_clusters(osb->sb, offset);  in ocfs2_direct_IO_write()
934 		ret = blkdev_issue_zeroout(osb->sb->s_bdev,  in ocfs2_direct_IO_write()
935 				(u64)p_cpos << (osb->s_clustersize_bits - 9),  in ocfs2_direct_IO_write()
956 		tmp_ret = ocfs2_del_inode_from_orphan(osb, inode, di_bh,  in ocfs2_direct_IO_write()
987 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_direct_IO()  local
988 	int full_coherency = !(osb->s_mount_opt &  in ocfs2_direct_IO()
1013 static void ocfs2_figure_cluster_boundaries(struct ocfs2_super *osb,  in ocfs2_figure_cluster_boundaries()  argument
1020 	if (unlikely(PAGE_CACHE_SHIFT > osb->s_clustersize_bits)) {  in ocfs2_figure_cluster_boundaries()
1023 		cpp = 1 << (PAGE_CACHE_SHIFT - osb->s_clustersize_bits);  in ocfs2_figure_cluster_boundaries()
1026 		cluster_start = cluster_start << osb->s_clustersize_bits;  in ocfs2_figure_cluster_boundaries()
1028 		cluster_end = cluster_start + osb->s_clustersize;  in ocfs2_figure_cluster_boundaries()
1049 				     struct ocfs2_super *osb, u32 cpos,  in ocfs2_clear_page_regions()  argument
1055 	ocfs2_figure_cluster_boundaries(osb, cpos, &cluster_start, &cluster_end);  in ocfs2_clear_page_regions()
1316 				  struct ocfs2_super *osb, loff_t pos,  in ocfs2_alloc_write_ctxt()  argument
1326 	wc->w_cpos = pos >> osb->s_clustersize_bits;  in ocfs2_alloc_write_ctxt()
1328 	cend = (pos + len - 1) >> osb->s_clustersize_bits;  in ocfs2_alloc_write_ctxt()
1333 	if (unlikely(PAGE_CACHE_SHIFT > osb->s_clustersize_bits))  in ocfs2_alloc_write_ctxt()
1690 	struct ocfs2_super *osb = OCFS2_SB(mapping->host->i_sb);  in ocfs2_write_cluster_by_desc()  local
1700 		cluster_off = pos & (osb->s_clustersize - 1);  in ocfs2_write_cluster_by_desc()
1701 		if ((cluster_off + local_len) > osb->s_clustersize)  in ocfs2_write_cluster_by_desc()
1702 			local_len = osb->s_clustersize - cluster_off;  in ocfs2_write_cluster_by_desc()
1728 static void ocfs2_set_target_boundaries(struct ocfs2_super *osb,  in ocfs2_set_target_boundaries()  argument
1758 			ocfs2_figure_cluster_boundaries(osb,  in ocfs2_set_target_boundaries()
1765 			ocfs2_figure_cluster_boundaries(osb,  in ocfs2_set_target_boundaries()
1871 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_write_begin_inline()  local
1876 	handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);  in ocfs2_write_begin_inline()
1885 		ocfs2_commit_trans(osb, handle);  in ocfs2_write_begin_inline()
1900 		ocfs2_commit_trans(osb, handle);  in ocfs2_write_begin_inline()
1912 			ocfs2_commit_trans(osb, handle);  in ocfs2_write_begin_inline()
2043 static int ocfs2_try_to_free_truncate_log(struct ocfs2_super *osb,  in ocfs2_try_to_free_truncate_log()  argument
2050 	mutex_lock(&osb->osb_tl_inode->i_mutex);  in ocfs2_try_to_free_truncate_log()
2051 	truncated_clusters = osb->truncated_clusters;  in ocfs2_try_to_free_truncate_log()
2052 	mutex_unlock(&osb->osb_tl_inode->i_mutex);  in ocfs2_try_to_free_truncate_log()
2061 	ret = ocfs2_flush_truncate_log(osb);  in ocfs2_try_to_free_truncate_log()
2067 	if (jbd2_journal_start_commit(osb->journal->j_journal, &target)) {  in ocfs2_try_to_free_truncate_log()
2068 		jbd2_log_wait_commit(osb->journal->j_journal, target);  in ocfs2_try_to_free_truncate_log()
2085 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_write_begin_nolock()  local
2094 	ret = ocfs2_alloc_write_ctxt(&wc, osb, pos, len, di_bh);  in ocfs2_write_begin_nolock()
2100 	if (ocfs2_supports_inline_data(osb)) {  in ocfs2_write_begin_nolock()
2113 	if (ocfs2_sparse_alloc(osb))  in ocfs2_write_begin_nolock()
2196 	ocfs2_set_target_boundaries(osb, wc, pos, len, cluster_of_pages);  in ocfs2_write_begin_nolock()
2198 	handle = ocfs2_start_trans(osb, credits);  in ocfs2_write_begin_nolock()
2209 			ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc));  in ocfs2_write_begin_nolock()
2264 			  ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc));  in ocfs2_write_begin_nolock()
2266 	ocfs2_commit_trans(osb, handle);  in ocfs2_write_begin_nolock()
2287 		ret1 = ocfs2_try_to_free_truncate_log(osb, clusters_need);  in ocfs2_write_begin_nolock()
2373 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_write_end_nolock()  local
2450 	ocfs2_commit_trans(osb, handle);  in ocfs2_write_end_nolock()
2452 	ocfs2_run_deallocs(osb, &wc->w_dealloc);  in ocfs2_write_end_nolock()