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159 lines
4.5 KiB
C
159 lines
4.5 KiB
C
/*-
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* Copyright 2000 Hans Reiser
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* See README for licensing and copyright details
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*
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* Ported to FreeBSD by Jean-Sébastien Pédron <jspedron@club-internet.fr>
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*
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* $FreeBSD$
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*/
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#include <gnu/fs/reiserfs/reiserfs_fs.h>
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/* -------------------------------------------------------------------
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* Stat data functions
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* -------------------------------------------------------------------*/
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static int
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sd_bytes_number(struct item_head *ih, int block_size)
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{
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return (0);
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}
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struct item_operations stat_data_ops = {
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.bytes_number = sd_bytes_number,
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//.decrement_key = sd_decrement_key,
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//.is_left_mergeable = sd_is_left_mergeable,
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//.print_item = sd_print_item,
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//.check_item = sd_check_item,
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//.create_vi = sd_create_vi,
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//.check_left = sd_check_left,
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//.check_right = sd_check_right,
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//.part_size = sd_part_size,
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//.unit_num = sd_unit_num,
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//.print_vi = sd_print_vi
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};
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/* -------------------------------------------------------------------
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* Direct item functions
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* -------------------------------------------------------------------*/
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static int
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direct_bytes_number(struct item_head *ih, int block_size)
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{
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return (ih_item_len(ih));
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}
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struct item_operations direct_ops = {
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.bytes_number = direct_bytes_number,
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//.decrement_key = direct_decrement_key,
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//.is_left_mergeable = direct_is_left_mergeable,
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//.print_item = direct_print_item,
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//.check_item = direct_check_item,
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//.create_vi = direct_create_vi,
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//.check_left = direct_check_left,
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//.check_right = direct_check_right,
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//.part_size = direct_part_size,
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//.unit_num = direct_unit_num,
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//.print_vi = direct_print_vi
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};
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/* -------------------------------------------------------------------
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* Indirect item functions
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* -------------------------------------------------------------------*/
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static int
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indirect_bytes_number(struct item_head *ih, int block_size)
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{
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return (ih_item_len(ih) / UNFM_P_SIZE * block_size);
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}
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struct item_operations indirect_ops = {
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.bytes_number = indirect_bytes_number,
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//.decrement_key = indirect_decrement_key,
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//.is_left_mergeable = indirect_is_left_mergeable,
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//.print_item = indirect_print_item,
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//.check_item = indirect_check_item,
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//.create_vi = indirect_create_vi,
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//.check_left = indirect_check_left,
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//.check_right = indirect_check_right,
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//.part_size = indirect_part_size,
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//.unit_num = indirect_unit_num,
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//.print_vi = indirect_print_vi
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};
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/* -------------------------------------------------------------------
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* Direntry functions
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* -------------------------------------------------------------------*/
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static int
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direntry_bytes_number(struct item_head *ih, int block_size)
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{
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reiserfs_log(LOG_WARNING, "bytes number is asked for direntry\n");
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return (0);
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}
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struct item_operations direntry_ops = {
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.bytes_number = direntry_bytes_number,
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//.decrement_key = direntry_decrement_key,
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//.is_left_mergeable = direntry_is_left_mergeable,
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//.print_item = direntry_print_item,
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//.check_item = direntry_check_item,
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//.create_vi = direntry_create_vi,
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//.check_left = direntry_check_left,
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//.check_right = direntry_check_right,
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//.part_size = direntry_part_size,
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//.unit_num = direntry_unit_num,
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//.print_vi = direntry_print_vi
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};
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/* -------------------------------------------------------------------
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* Error catching functions to catch errors caused by incorrect item
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* types.
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* -------------------------------------------------------------------*/
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static int
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errcatch_bytes_number(struct item_head *ih, int block_size)
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{
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reiserfs_log(LOG_WARNING, "invalid item type observed, run fsck ASAP");
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return (0);
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}
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struct item_operations errcatch_ops = {
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errcatch_bytes_number,
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//errcatch_decrement_key,
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//errcatch_is_left_mergeable,
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//errcatch_print_item,
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//errcatch_check_item,
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//errcatch_create_vi,
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//errcatch_check_left,
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//errcatch_check_right,
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//errcatch_part_size,
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//errcatch_unit_num,
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//errcatch_print_vi
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};
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#if !(TYPE_STAT_DATA == 0 && TYPE_INDIRECT == 1 && \
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TYPE_DIRECT == 2 && TYPE_DIRENTRY == 3)
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#error
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#endif
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struct item_operations *item_ops[TYPE_ANY + 1] = {
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&stat_data_ops,
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&indirect_ops,
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&direct_ops,
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&direntry_ops,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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&errcatch_ops /* This is to catch errors with invalid type (15th
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entry for TYPE_ANY) */
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};
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