mirror of
https://github.com/versity/scoutfs.git
synced 2026-08-02 05:16:33 +00:00
Zach BrownandAuke Kok
25d5b507a1
Signed-off-by: Zach Brown <zab@versity.com> Signed-off-by: Auke Kok <auke.kok@versity.com>
99 lines
2.1 KiB
C
99 lines
2.1 KiB
C
#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "sparse.h"
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#include "util.h"
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#include "format.h"
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#include "key.h"
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#include "alloc.h"
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#include "btree.h"
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#include "debug.h"
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#include "extent.h"
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#include "iter.h"
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#include "sns.h"
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#include "log_trees.h"
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#include "super.h"
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struct iter_args {
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extent_cb_t cb;
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void *cb_arg;
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};
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static int lt_meta_iter(struct scoutfs_key *key, void *val, u16 val_len, void *cb_arg)
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{
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struct iter_args *ia = cb_arg;
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struct scoutfs_log_trees *lt;
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int ret;
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if (val_len != sizeof(struct scoutfs_log_trees))
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; /* XXX */
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lt = val;
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sns_push("log_trees", le64_to_cpu(lt->rid), le64_to_cpu(lt->nr));
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debug("lt rid 0x%16llx nr %llu", le64_to_cpu(lt->rid), le64_to_cpu(lt->nr));
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sns_push("meta_avail", 0, 0);
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ret = alloc_list_meta_iter(<->meta_avail, ia->cb, ia->cb_arg);
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sns_pop();
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if (ret < 0)
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goto out;
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sns_push("meta_freed", 0, 0);
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ret = alloc_list_meta_iter(<->meta_freed, ia->cb, ia->cb_arg);
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sns_pop();
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if (ret < 0)
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goto out;
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sns_push("item_root", 0, 0);
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ret = btree_meta_iter(<->item_root, ia->cb, ia->cb_arg);
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sns_pop();
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if (ret < 0)
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goto out;
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if (lt->bloom_ref.blkno) {
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sns_push("bloom_ref", 0, 0);
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ret = ia->cb(le64_to_cpu(lt->bloom_ref.blkno), 1, ia->cb_arg);
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sns_pop();
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if (ret < 0) {
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ret = xlate_iter_errno(ret);
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goto out;
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}
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}
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sns_push("data_avail", 0, 0);
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ret = alloc_root_meta_iter(<->data_avail, ia->cb, ia->cb_arg);
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sns_pop();
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if (ret < 0)
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goto out;
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sns_push("data_freed", 0, 0);
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ret = alloc_root_meta_iter(<->data_freed, ia->cb, ia->cb_arg);
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sns_pop();
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if (ret < 0)
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goto out;
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ret = 0;
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out:
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sns_pop();
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return ret;
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}
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/*
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* Call the callers callback with the extent of all the metadata block references contained
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* in log btrees. We walk the logs_root btree items and walk all the metadata structures
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* they reference.
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*/
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int log_trees_meta_iter(extent_cb_t cb, void *cb_arg)
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{
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struct scoutfs_super_block *super = global_super;
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struct iter_args ia = { .cb = cb, .cb_arg = cb_arg };
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return btree_item_iter(&super->logs_root, lt_meta_iter, &ia);
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}
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