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reduce ram used by btrfsck

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This commit is contained in:
Chris Mason 2007-05-22 09:17:08 -04:00 committed by David Woodhouse
parent 2877f0919a
commit 723eafc647
1 changed files with 14 additions and 4 deletions
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18
btrfsck.c
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@ -103,16 +103,22 @@ static int check_block(struct btrfs_root *root,
struct btrfs_buffer *buf)
{
struct extent_record *rec;
int ret = 1;
rec = radix_tree_lookup(extent_radix, buf->blocknr);
if (!rec)
return 1;
if (btrfs_is_leaf(&buf->node)) {
return check_leaf(root, &rec->parent_key, &buf->leaf);
ret = check_leaf(root, &rec->parent_key, &buf->leaf);
} else {
return check_node(root, &rec->parent_key, &buf->node);
ret = check_node(root, &rec->parent_key, &buf->node);
}
return 1;
if (!ret && rec->extent_item_refs == rec->refs && rec->refs > 0) {
radix_tree_delete(extent_radix, rec->start);
free(rec);
return ret;
}
return ret;
}
static int add_extent_rec(struct radix_tree_root *extent_radix,
@ -131,8 +137,12 @@ static int add_extent_rec(struct radix_tree_root *extent_radix,
rec->start, start);
ret = 1;
}
if (extent_item_refs)
if (extent_item_refs) {
if (rec->extent_item_refs) {
fprintf(stderr, "block %Lu rec extent_item_refs %u, passed %u\n", start, rec->extent_item_refs, extent_item_refs);
}
rec->extent_item_refs = extent_item_refs;
}
return ret;
}
rec = malloc(sizeof(*rec));