^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Copyright 2000 by Hans Reiser, licensing governed by reiserfs/README
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include "reiserfs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * this contains item handlers for old item types: sd, direct,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * indirect, directory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * and where are the comments? how about saying where we can find an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * explanation of each item handler method? -Hans
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) /* stat data functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static int sd_bytes_number(struct item_head *ih, int block_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static void sd_decrement_key(struct cpu_key *key)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) key->on_disk_key.k_objectid--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) set_cpu_key_k_type(key, TYPE_ANY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) set_cpu_key_k_offset(key, (loff_t)(~0ULL >> 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static int sd_is_left_mergeable(struct reiserfs_key *key, unsigned long bsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static void sd_print_item(struct item_head *ih, char *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) printk("\tmode | size | nlinks | first direct | mtime\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) if (stat_data_v1(ih)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct stat_data_v1 *sd = (struct stat_data_v1 *)item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) printk("\t0%-6o | %6u | %2u | %d | %u\n", sd_v1_mode(sd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) sd_v1_size(sd), sd_v1_nlink(sd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) sd_v1_first_direct_byte(sd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) sd_v1_mtime(sd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct stat_data *sd = (struct stat_data *)item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) printk("\t0%-6o | %6llu | %2u | %d | %u\n", sd_v2_mode(sd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) (unsigned long long)sd_v2_size(sd), sd_v2_nlink(sd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) sd_v2_rdev(sd), sd_v2_mtime(sd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static void sd_check_item(struct item_head *ih, char *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /* unused */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static int sd_create_vi(struct virtual_node *vn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct virtual_item *vi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) int is_affected, int insert_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) vi->vi_index = TYPE_STAT_DATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static int sd_check_left(struct virtual_item *vi, int free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) int start_skip, int end_skip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) BUG_ON(start_skip || end_skip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) static int sd_check_right(struct virtual_item *vi, int free)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) static int sd_part_size(struct virtual_item *vi, int first, int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) BUG_ON(count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) static int sd_unit_num(struct virtual_item *vi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return vi->vi_item_len - IH_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static void sd_print_vi(struct virtual_item *vi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) reiserfs_warning(NULL, "reiserfs-16100",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) "STATDATA, index %d, type 0x%x, %h",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) vi->vi_index, vi->vi_type, vi->vi_ih);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) static struct item_operations stat_data_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) .bytes_number = sd_bytes_number,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .decrement_key = sd_decrement_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .is_left_mergeable = sd_is_left_mergeable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) .print_item = sd_print_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) .check_item = sd_check_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) .create_vi = sd_create_vi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) .check_left = sd_check_left,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) .check_right = sd_check_right,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .part_size = sd_part_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .unit_num = sd_unit_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .print_vi = sd_print_vi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) /* direct item functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static int direct_bytes_number(struct item_head *ih, int block_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) return ih_item_len(ih);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) /* FIXME: this should probably switch to indirect as well */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static void direct_decrement_key(struct cpu_key *key)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) cpu_key_k_offset_dec(key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if (cpu_key_k_offset(key) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) set_cpu_key_k_type(key, TYPE_STAT_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) static int direct_is_left_mergeable(struct reiserfs_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) unsigned long bsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) int version = le_key_version(key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) return ((le_key_k_offset(version, key) & (bsize - 1)) != 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static void direct_print_item(struct item_head *ih, char *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) int j = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) /* return; */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) printk("\"");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) while (j < ih_item_len(ih))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) printk("%c", item[j++]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) printk("\"\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static void direct_check_item(struct item_head *ih, char *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /* unused */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) static int direct_create_vi(struct virtual_node *vn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) struct virtual_item *vi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) int is_affected, int insert_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) vi->vi_index = TYPE_DIRECT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static int direct_check_left(struct virtual_item *vi, int free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) int start_skip, int end_skip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) int bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) bytes = free - free % 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) return bytes ? : -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) static int direct_check_right(struct virtual_item *vi, int free)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) return direct_check_left(vi, free, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) static int direct_part_size(struct virtual_item *vi, int first, int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) static int direct_unit_num(struct virtual_item *vi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return vi->vi_item_len - IH_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) static void direct_print_vi(struct virtual_item *vi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) reiserfs_warning(NULL, "reiserfs-16101",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) "DIRECT, index %d, type 0x%x, %h",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) vi->vi_index, vi->vi_type, vi->vi_ih);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) static struct item_operations direct_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) .bytes_number = direct_bytes_number,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) .decrement_key = direct_decrement_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .is_left_mergeable = direct_is_left_mergeable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .print_item = direct_print_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .check_item = direct_check_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) .create_vi = direct_create_vi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) .check_left = direct_check_left,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) .check_right = direct_check_right,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) .part_size = direct_part_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) .unit_num = direct_unit_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .print_vi = direct_print_vi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) /* indirect item functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) static int indirect_bytes_number(struct item_head *ih, int block_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) return ih_item_len(ih) / UNFM_P_SIZE * block_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) /* decrease offset, if it becomes 0, change type to stat data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) static void indirect_decrement_key(struct cpu_key *key)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) cpu_key_k_offset_dec(key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) if (cpu_key_k_offset(key) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) set_cpu_key_k_type(key, TYPE_STAT_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) /* if it is not first item of the body, then it is mergeable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) static int indirect_is_left_mergeable(struct reiserfs_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) unsigned long bsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) int version = le_key_version(key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) return (le_key_k_offset(version, key) != 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) /* printing of indirect item */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) static void start_new_sequence(__u32 * start, int *len, __u32 new)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) *start = new;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) *len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) static int sequence_finished(__u32 start, int *len, __u32 new)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) if (start == INT_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) if (start == 0 && new == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) (*len)++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) if (start != 0 && (start + *len) == new) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) (*len)++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) static void print_sequence(__u32 start, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) if (start == INT_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) if (len == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) printk(" %d", start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) printk(" %d(%d)", start, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) static void indirect_print_item(struct item_head *ih, char *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) int j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) __le32 *unp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) __u32 prev = INT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) int num = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) unp = (__le32 *) item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) if (ih_item_len(ih) % UNFM_P_SIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) reiserfs_warning(NULL, "reiserfs-16102", "invalid item len");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) printk("%d pointers\n[ ", (int)I_UNFM_NUM(ih));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) for (j = 0; j < I_UNFM_NUM(ih); j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) if (sequence_finished(prev, &num, get_block_num(unp, j))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) print_sequence(prev, num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) start_new_sequence(&prev, &num, get_block_num(unp, j));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) print_sequence(prev, num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) printk("]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) static void indirect_check_item(struct item_head *ih, char *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) /* unused */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) static int indirect_create_vi(struct virtual_node *vn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) struct virtual_item *vi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) int is_affected, int insert_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) vi->vi_index = TYPE_INDIRECT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) static int indirect_check_left(struct virtual_item *vi, int free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) int start_skip, int end_skip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) int bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) bytes = free - free % UNFM_P_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) return bytes ? : -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) static int indirect_check_right(struct virtual_item *vi, int free)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) return indirect_check_left(vi, free, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) * return size in bytes of 'units' units. If first == 0 - calculate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) * from the head (left), otherwise - from tail (right)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) static int indirect_part_size(struct virtual_item *vi, int first, int units)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) /* unit of indirect item is byte (yet) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) return units;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) static int indirect_unit_num(struct virtual_item *vi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) /* unit of indirect item is byte (yet) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) return vi->vi_item_len - IH_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) static void indirect_print_vi(struct virtual_item *vi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) reiserfs_warning(NULL, "reiserfs-16103",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) "INDIRECT, index %d, type 0x%x, %h",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) vi->vi_index, vi->vi_type, vi->vi_ih);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) static struct item_operations indirect_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) .bytes_number = indirect_bytes_number,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) .decrement_key = indirect_decrement_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) .is_left_mergeable = indirect_is_left_mergeable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) .print_item = indirect_print_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) .check_item = indirect_check_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) .create_vi = indirect_create_vi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) .check_left = indirect_check_left,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) .check_right = indirect_check_right,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) .part_size = indirect_part_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) .unit_num = indirect_unit_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) .print_vi = indirect_print_vi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) /* direntry functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) static int direntry_bytes_number(struct item_head *ih, int block_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) reiserfs_warning(NULL, "vs-16090",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) "bytes number is asked for direntry");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) static void direntry_decrement_key(struct cpu_key *key)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) cpu_key_k_offset_dec(key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) if (cpu_key_k_offset(key) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) set_cpu_key_k_type(key, TYPE_STAT_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) static int direntry_is_left_mergeable(struct reiserfs_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) unsigned long bsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) if (le32_to_cpu(key->u.k_offset_v1.k_offset) == DOT_OFFSET)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) static void direntry_print_item(struct item_head *ih, char *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) int namelen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) struct reiserfs_de_head *deh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) static char namebuf[80];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) printk("\n # %-15s%-30s%-15s%-15s%-15s\n", "Name",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) "Key of pointed object", "Hash", "Gen number", "Status");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) deh = (struct reiserfs_de_head *)item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) for (i = 0; i < ih_entry_count(ih); i++, deh++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) namelen =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) (i ? (deh_location(deh - 1)) : ih_item_len(ih)) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) deh_location(deh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) name = item + deh_location(deh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) if (name[namelen - 1] == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) namelen = strlen(name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) namebuf[0] = '"';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) if (namelen > sizeof(namebuf) - 3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) strncpy(namebuf + 1, name, sizeof(namebuf) - 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) namebuf[sizeof(namebuf) - 2] = '"';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) namebuf[sizeof(namebuf) - 1] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) memcpy(namebuf + 1, name, namelen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) namebuf[namelen + 1] = '"';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) namebuf[namelen + 2] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) printk("%d: %-15s%-15d%-15d%-15lld%-15lld(%s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) i, namebuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) deh_dir_id(deh), deh_objectid(deh),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) GET_HASH_VALUE(deh_offset(deh)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) GET_GENERATION_NUMBER((deh_offset(deh))),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) (de_hidden(deh)) ? "HIDDEN" : "VISIBLE");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) static void direntry_check_item(struct item_head *ih, char *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) struct reiserfs_de_head *deh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) /* unused */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) deh = (struct reiserfs_de_head *)item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) for (i = 0; i < ih_entry_count(ih); i++, deh++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) #define DIRENTRY_VI_FIRST_DIRENTRY_ITEM 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) * function returns old entry number in directory item in real node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) * using new entry number in virtual item in virtual node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) static inline int old_entry_num(int is_affected, int virtual_entry_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) int pos_in_item, int mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) if (mode == M_INSERT || mode == M_DELETE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) return virtual_entry_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) if (!is_affected)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) /* cut or paste is applied to another item */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) return virtual_entry_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) if (virtual_entry_num < pos_in_item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) return virtual_entry_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) if (mode == M_CUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) return virtual_entry_num + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) RFALSE(mode != M_PASTE || virtual_entry_num == 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) "vs-8015: old_entry_num: mode must be M_PASTE (mode = \'%c\'",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) return virtual_entry_num - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) * Create an array of sizes of directory entries for virtual
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) * item. Return space used by an item. FIXME: no control over
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) * consuming of space used by this item handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) static int direntry_create_vi(struct virtual_node *vn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) struct virtual_item *vi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) int is_affected, int insert_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) struct direntry_uarea *dir_u = vi->vi_uarea;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) int i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) int size = sizeof(struct direntry_uarea);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) struct reiserfs_de_head *deh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) vi->vi_index = TYPE_DIRENTRY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) BUG_ON(!(vi->vi_ih) || !vi->vi_item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) dir_u->flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) if (le_ih_k_offset(vi->vi_ih) == DOT_OFFSET)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) dir_u->flags |= DIRENTRY_VI_FIRST_DIRENTRY_ITEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) deh = (struct reiserfs_de_head *)(vi->vi_item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) /* virtual directory item have this amount of entry after */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) dir_u->entry_count = ih_entry_count(vi->vi_ih) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) ((is_affected) ? ((vn->vn_mode == M_CUT) ? -1 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) (vn->vn_mode == M_PASTE ? 1 : 0)) : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) for (i = 0; i < dir_u->entry_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) j = old_entry_num(is_affected, i, vn->vn_pos_in_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) vn->vn_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) dir_u->entry_sizes[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) (j ? deh_location(&deh[j - 1]) : ih_item_len(vi->vi_ih)) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) deh_location(&deh[j]) + DEH_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) size += (dir_u->entry_count * sizeof(short));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) /* set size of pasted entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) if (is_affected && vn->vn_mode == M_PASTE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) dir_u->entry_sizes[vn->vn_pos_in_item] = insert_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) #ifdef CONFIG_REISERFS_CHECK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) /* compare total size of entries with item length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) int k, l;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) l = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) for (k = 0; k < dir_u->entry_count; k++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) l += dir_u->entry_sizes[k];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) if (l + IH_SIZE != vi->vi_item_len +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) ((is_affected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) && (vn->vn_mode == M_PASTE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) || vn->vn_mode == M_CUT)) ? insert_size : 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) reiserfs_panic(NULL, "vs-8025", "(mode==%c, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) "insert_size==%d), invalid length of "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) "directory item",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) vn->vn_mode, insert_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) return size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) * return number of entries which may fit into specified amount of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) * free space, or -1 if free space is not enough even for 1 entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) static int direntry_check_left(struct virtual_item *vi, int free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) int start_skip, int end_skip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) int entries = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) struct direntry_uarea *dir_u = vi->vi_uarea;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) for (i = start_skip; i < dir_u->entry_count - end_skip; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) /* i-th entry doesn't fit into the remaining free space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) if (dir_u->entry_sizes[i] > free)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) free -= dir_u->entry_sizes[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) entries++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) if (entries == dir_u->entry_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) reiserfs_panic(NULL, "item_ops-1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) "free space %d, entry_count %d", free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) dir_u->entry_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) /* "." and ".." can not be separated from each other */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) if (start_skip == 0 && (dir_u->flags & DIRENTRY_VI_FIRST_DIRENTRY_ITEM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) && entries < 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) entries = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) return entries ? : -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) static int direntry_check_right(struct virtual_item *vi, int free)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) int entries = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) struct direntry_uarea *dir_u = vi->vi_uarea;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) for (i = dir_u->entry_count - 1; i >= 0; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) /* i-th entry doesn't fit into the remaining free space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) if (dir_u->entry_sizes[i] > free)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) free -= dir_u->entry_sizes[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) entries++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) BUG_ON(entries == dir_u->entry_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) /* "." and ".." can not be separated from each other */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) if ((dir_u->flags & DIRENTRY_VI_FIRST_DIRENTRY_ITEM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) && entries > dir_u->entry_count - 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) entries = dir_u->entry_count - 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) return entries ? : -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) /* sum of entry sizes between from-th and to-th entries including both edges */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) static int direntry_part_size(struct virtual_item *vi, int first, int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) int i, retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) int from, to;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) struct direntry_uarea *dir_u = vi->vi_uarea;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) if (first == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) from = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) from = dir_u->entry_count - count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) to = from + count - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) for (i = from; i <= to; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) retval += dir_u->entry_sizes[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) static int direntry_unit_num(struct virtual_item *vi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) struct direntry_uarea *dir_u = vi->vi_uarea;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) return dir_u->entry_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) static void direntry_print_vi(struct virtual_item *vi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) struct direntry_uarea *dir_u = vi->vi_uarea;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) reiserfs_warning(NULL, "reiserfs-16104",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) "DIRENTRY, index %d, type 0x%x, %h, flags 0x%x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) vi->vi_index, vi->vi_type, vi->vi_ih, dir_u->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) printk("%d entries: ", dir_u->entry_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) for (i = 0; i < dir_u->entry_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) printk("%d ", dir_u->entry_sizes[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) printk("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) static struct item_operations direntry_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) .bytes_number = direntry_bytes_number,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) .decrement_key = direntry_decrement_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) .is_left_mergeable = direntry_is_left_mergeable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) .print_item = direntry_print_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) .check_item = direntry_check_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) .create_vi = direntry_create_vi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) .check_left = direntry_check_left,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) .check_right = direntry_check_right,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) .part_size = direntry_part_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) .unit_num = direntry_unit_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) .print_vi = direntry_print_vi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) /* Error catching functions to catch errors caused by incorrect item types. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) static int errcatch_bytes_number(struct item_head *ih, int block_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) reiserfs_warning(NULL, "green-16001",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) "Invalid item type observed, run fsck ASAP");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) static void errcatch_decrement_key(struct cpu_key *key)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) reiserfs_warning(NULL, "green-16002",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) "Invalid item type observed, run fsck ASAP");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) static int errcatch_is_left_mergeable(struct reiserfs_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) unsigned long bsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) reiserfs_warning(NULL, "green-16003",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) "Invalid item type observed, run fsck ASAP");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) static void errcatch_print_item(struct item_head *ih, char *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) reiserfs_warning(NULL, "green-16004",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) "Invalid item type observed, run fsck ASAP");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) static void errcatch_check_item(struct item_head *ih, char *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) reiserfs_warning(NULL, "green-16005",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) "Invalid item type observed, run fsck ASAP");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) static int errcatch_create_vi(struct virtual_node *vn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) struct virtual_item *vi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) int is_affected, int insert_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) reiserfs_warning(NULL, "green-16006",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) "Invalid item type observed, run fsck ASAP");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) * We might return -1 here as well, but it won't help as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) * create_virtual_node() from where this operation is called
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) * from is of return type void.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) static int errcatch_check_left(struct virtual_item *vi, int free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) int start_skip, int end_skip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) reiserfs_warning(NULL, "green-16007",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) "Invalid item type observed, run fsck ASAP");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) static int errcatch_check_right(struct virtual_item *vi, int free)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) reiserfs_warning(NULL, "green-16008",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) "Invalid item type observed, run fsck ASAP");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) static int errcatch_part_size(struct virtual_item *vi, int first, int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) reiserfs_warning(NULL, "green-16009",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) "Invalid item type observed, run fsck ASAP");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) static int errcatch_unit_num(struct virtual_item *vi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) reiserfs_warning(NULL, "green-16010",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) "Invalid item type observed, run fsck ASAP");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) static void errcatch_print_vi(struct virtual_item *vi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) reiserfs_warning(NULL, "green-16011",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) "Invalid item type observed, run fsck ASAP");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) static struct item_operations errcatch_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) .bytes_number = errcatch_bytes_number,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) .decrement_key = errcatch_decrement_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) .is_left_mergeable = errcatch_is_left_mergeable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) .print_item = errcatch_print_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) .check_item = errcatch_check_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) .create_vi = errcatch_create_vi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) .check_left = errcatch_check_left,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) .check_right = errcatch_check_right,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) .part_size = errcatch_part_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) .unit_num = errcatch_unit_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) .print_vi = errcatch_print_vi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) #if ! (TYPE_STAT_DATA == 0 && TYPE_INDIRECT == 1 && TYPE_DIRECT == 2 && TYPE_DIRENTRY == 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) #error Item types must use disk-format assigned values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) struct item_operations *item_ops[TYPE_ANY + 1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) &stat_data_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) &indirect_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) &direct_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) &direntry_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) &errcatch_ops /* This is to catch errors with invalid type (15th entry for TYPE_ANY) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) };
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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