Lines Matching defs:emi
55 struct ocfs2_extent_map_item *emi;
59 list_for_each_entry(emi, &em->em_list, ei_list) {
60 range = emi->ei_cpos + emi->ei_clusters;
62 if (cpos >= emi->ei_cpos && cpos < range) {
63 list_move(&emi->ei_list, &em->em_list);
65 *ret_emi = emi;
77 struct ocfs2_extent_map_item *emi;
81 __ocfs2_extent_map_lookup(&oi->ip_extent_map, cpos, &emi);
82 if (emi) {
83 coff = cpos - emi->ei_cpos;
84 *phys = emi->ei_phys + coff;
86 *len = emi->ei_clusters - coff;
88 *flags = emi->ei_flags;
93 if (emi == NULL)
104 struct ocfs2_extent_map_item *emi, *n;
111 list_for_each_entry_safe(emi, n, &em->em_list, ei_list) {
112 if (emi->ei_cpos >= cpos) {
114 list_move(&emi->ei_list, &tmp_list);
120 range = emi->ei_cpos + emi->ei_clusters;
123 emi->ei_clusters = cpos - emi->ei_cpos;
128 list_for_each_entry_safe(emi, n, &tmp_list, ei_list) {
129 list_del(&emi->ei_list);
130 kfree(emi);
169 * Try to merge emi with ins. Returns 1 if merge succeeds, zero
172 static int ocfs2_try_to_merge_extent_map(struct ocfs2_extent_map_item *emi,
178 if (ins->ei_phys == (emi->ei_phys + emi->ei_clusters) &&
179 ins->ei_cpos == (emi->ei_cpos + emi->ei_clusters) &&
180 ins->ei_flags == emi->ei_flags) {
181 emi->ei_clusters += ins->ei_clusters;
183 } else if ((ins->ei_phys + ins->ei_clusters) == emi->ei_phys &&
184 (ins->ei_cpos + ins->ei_clusters) == emi->ei_cpos &&
185 ins->ei_flags == emi->ei_flags) {
186 emi->ei_phys = ins->ei_phys;
187 emi->ei_cpos = ins->ei_cpos;
188 emi->ei_clusters += ins->ei_clusters;
197 if (ocfs2_ei_is_contained(emi, ins) ||
198 ocfs2_ei_is_contained(ins, emi)) {
199 ocfs2_copy_emi_fields(emi, ins);
220 struct ocfs2_extent_map_item *emi, *new_emi = NULL;
232 list_for_each_entry(emi, &em->em_list, ei_list) {
233 if (ocfs2_try_to_merge_extent_map(emi, &ins)) {
234 list_move(&emi->ei_list, &em->em_list);
264 emi = list_entry(em->em_list.prev,
266 list_move(&emi->ei_list, &em->em_list);
267 ocfs2_copy_emi_fields(emi, &ins);