40 void ocfs2_extent_map_init(struct inode *inode)  in ocfs2_extent_map_init()  argument
42 	struct ocfs2_inode_info *oi = OCFS2_I(inode);  in ocfs2_extent_map_init()
69 static int ocfs2_extent_map_lookup(struct inode *inode, unsigned int cpos,  in ocfs2_extent_map_lookup()  argument
74 	struct ocfs2_inode_info *oi = OCFS2_I(inode);  in ocfs2_extent_map_lookup()
100 void ocfs2_extent_map_trunc(struct inode *inode, unsigned int cpos)  in ocfs2_extent_map_trunc()  argument
103 	struct ocfs2_inode_info *oi = OCFS2_I(inode);  in ocfs2_extent_map_trunc()
213 void ocfs2_extent_map_insert_rec(struct inode *inode,  in ocfs2_extent_map_insert_rec()  argument
216 	struct ocfs2_inode_info *oi = OCFS2_I(inode);  in ocfs2_extent_map_insert_rec()
222 	ins.ei_phys = ocfs2_blocks_to_clusters(inode->i_sb,  in ocfs2_extent_map_insert_rec()
274 static int ocfs2_last_eb_is_empty(struct inode *inode,  in ocfs2_last_eb_is_empty()  argument
283 	ret = ocfs2_read_extent_block(INODE_CACHE(inode), last_eb_blk, &eb_bh);  in ocfs2_last_eb_is_empty()
293 		ocfs2_error(inode->i_sb,  in ocfs2_last_eb_is_empty()
295 			    inode->i_ino,  in ocfs2_last_eb_is_empty()
396 static int ocfs2_get_clusters_nocache(struct inode *inode,  in ocfs2_get_clusters_nocache()  argument
418 		ret = ocfs2_find_leaf(INODE_CACHE(inode), el, v_cluster,  in ocfs2_get_clusters_nocache()
429 			ocfs2_error(inode->i_sb,  in ocfs2_get_clusters_nocache()
431 				    inode->i_ino,  in ocfs2_get_clusters_nocache()
446 			ret = ocfs2_figure_hole_clusters(INODE_CACHE(inode),  in ocfs2_get_clusters_nocache()
464 		ocfs2_error(inode->i_sb,  in ocfs2_get_clusters_nocache()
466 			    inode->i_ino,  in ocfs2_get_clusters_nocache()
497 				ret = ocfs2_last_eb_is_empty(inode, di);  in ocfs2_get_clusters_nocache()
530 int ocfs2_xattr_get_clusters(struct inode *inode, u32 v_cluster,  in ocfs2_xattr_get_clusters()  argument
542 		ret = ocfs2_find_leaf(INODE_CACHE(inode), el, v_cluster,  in ocfs2_xattr_get_clusters()
553 			ocfs2_error(inode->i_sb,  in ocfs2_xattr_get_clusters()
555 				    inode->i_ino,  in ocfs2_xattr_get_clusters()
572 			ocfs2_error(inode->i_sb,  in ocfs2_xattr_get_clusters()
574 				    inode->i_ino,  in ocfs2_xattr_get_clusters()
581 		*p_cluster = ocfs2_blocks_to_clusters(inode->i_sb,  in ocfs2_xattr_get_clusters()
595 int ocfs2_get_clusters(struct inode *inode, u32 v_cluster,  in ocfs2_get_clusters()  argument
604 	if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {  in ocfs2_get_clusters()
610 	ret = ocfs2_extent_map_lookup(inode, v_cluster, p_cluster,  in ocfs2_get_clusters()
615 	ret = ocfs2_read_inode_block(inode, &di_bh);  in ocfs2_get_clusters()
621 	ret = ocfs2_get_clusters_nocache(inode, di_bh, v_cluster, &hole_len,  in ocfs2_get_clusters()
639 		ocfs2_relative_extent_offsets(inode->i_sb, v_cluster, &rec,  in ocfs2_get_clusters()
643 		ocfs2_extent_map_insert_rec(inode, &rec);  in ocfs2_get_clusters()
658 int ocfs2_extent_map_get_blocks(struct inode *inode, u64 v_blkno, u64 *p_blkno,  in ocfs2_extent_map_get_blocks()  argument
662 	int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1);  in ocfs2_extent_map_get_blocks()
666 	cpos = ocfs2_blocks_to_clusters(inode->i_sb, v_blkno);  in ocfs2_extent_map_get_blocks()
668 	ret = ocfs2_get_clusters(inode, cpos, &p_cluster, &num_clusters,  in ocfs2_extent_map_get_blocks()
679 		boff = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster);  in ocfs2_extent_map_get_blocks()
686 		*ret_count = ocfs2_clusters_to_blocks(inode->i_sb, num_clusters);  in ocfs2_extent_map_get_blocks()
700 static int ocfs2_fiemap_inline(struct inode *inode, struct buffer_head *di_bh,  in ocfs2_fiemap_inline()  argument
709 	struct ocfs2_inode_info *oi = OCFS2_I(inode);  in ocfs2_fiemap_inline()
712 	if (ocfs2_inode_is_fast_symlink(inode))  in ocfs2_fiemap_inline()
713 		id_count = ocfs2_fast_symlink_chars(inode->i_sb);  in ocfs2_fiemap_inline()
718 		phys = oi->ip_blkno << inode->i_sb->s_blocksize_bits;  in ocfs2_fiemap_inline()
719 		if (ocfs2_inode_is_fast_symlink(inode))  in ocfs2_fiemap_inline()
734 int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,  in ocfs2_fiemap()  argument
740 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_fiemap()
745 	ret = fiemap_prep(inode, fieinfo, map_start, &map_len, 0);  in ocfs2_fiemap()
749 	ret = ocfs2_inode_lock(inode, &di_bh, 0);  in ocfs2_fiemap()
755 	down_read(&OCFS2_I(inode)->ip_alloc_sem);  in ocfs2_fiemap()
760 	if ((OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) ||  in ocfs2_fiemap()
761 	    ocfs2_inode_is_fast_symlink(inode)) {  in ocfs2_fiemap()
762 		ret = ocfs2_fiemap_inline(inode, di_bh, fieinfo, map_start);  in ocfs2_fiemap()
767 	mapping_end = ocfs2_clusters_for_bytes(inode->i_sb,  in ocfs2_fiemap()
773 		ret = ocfs2_get_clusters_nocache(inode, di_bh, cpos,  in ocfs2_fiemap()
810 	up_read(&OCFS2_I(inode)->ip_alloc_sem);  in ocfs2_fiemap()
812 	ocfs2_inode_unlock(inode, 0);  in ocfs2_fiemap()
819 int ocfs2_overwrite_io(struct inode *inode, struct buffer_head *di_bh,  in ocfs2_overwrite_io()  argument
824 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_overwrite_io()
827 	if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {  in ocfs2_overwrite_io()
835 	mapping_end = ocfs2_clusters_for_bytes(inode->i_sb,  in ocfs2_overwrite_io()
839 		ret = ocfs2_get_clusters_nocache(inode, di_bh, cpos,  in ocfs2_overwrite_io()
864 	struct inode *inode = file->f_mapping->host;  in ocfs2_seek_data_hole_offset()  local
867 	u16 cs_bits = OCFS2_SB(inode->i_sb)->s_clustersize_bits;  in ocfs2_seek_data_hole_offset()
875 	ret = ocfs2_inode_lock(inode, &di_bh, 0);  in ocfs2_seek_data_hole_offset()
881 	down_read(&OCFS2_I(inode)->ip_alloc_sem);  in ocfs2_seek_data_hole_offset()
883 	if (*offset >= i_size_read(inode)) {  in ocfs2_seek_data_hole_offset()
888 	if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {  in ocfs2_seek_data_hole_offset()
890 			*offset = i_size_read(inode);  in ocfs2_seek_data_hole_offset()
896 	cend = ocfs2_clusters_for_bytes(inode->i_sb, i_size_read(inode));  in ocfs2_seek_data_hole_offset()
899 		ret = ocfs2_get_clusters_nocache(inode, di_bh, cpos, &hole_size,  in ocfs2_seek_data_hole_offset()
935 		if ((extoff + extlen) > i_size_read(inode))  in ocfs2_seek_data_hole_offset()
936 			extlen = i_size_read(inode) - extoff;  in ocfs2_seek_data_hole_offset()
949 	up_read(&OCFS2_I(inode)->ip_alloc_sem);  in ocfs2_seek_data_hole_offset()
951 	ocfs2_inode_unlock(inode, 0);  in ocfs2_seek_data_hole_offset()
956 int ocfs2_read_virt_blocks(struct inode *inode, u64 v_block, int nr,  in ocfs2_read_virt_blocks()  argument
966 	     inode, (unsigned long long)v_block, nr, bhs, flags,  in ocfs2_read_virt_blocks()
969 	if (((v_block + nr - 1) << inode->i_sb->s_blocksize_bits) >=  in ocfs2_read_virt_blocks()
970 	    i_size_read(inode)) {  in ocfs2_read_virt_blocks()
976 		down_read(&OCFS2_I(inode)->ip_alloc_sem);  in ocfs2_read_virt_blocks()
977 		rc = ocfs2_extent_map_get_blocks(inode, v_block + done,  in ocfs2_read_virt_blocks()
979 		up_read(&OCFS2_I(inode)->ip_alloc_sem);  in ocfs2_read_virt_blocks()
989 			     (unsigned long long)OCFS2_I(inode)->ip_blkno,  in ocfs2_read_virt_blocks()
991 			     inode->i_sb->s_blocksize_bits);  in ocfs2_read_virt_blocks()
1010 		rc = ocfs2_read_blocks(INODE_CACHE(inode), p_block, count,  in ocfs2_read_virt_blocks()