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btrfs-progs: check: check the global roots for uptodate root nodes

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Instead of checking the csum and extent tree individually, walk through
the global roots and validate them all.  This will work properly if we
have extent tree v1 or extent tree v2.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2021-11-08 14:26:45 -05:00 committed by David Sterba
parent bf0ce5cb86
commit d26c0b4414
1 changed files with 19 additions and 11 deletions
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30
check/main.c
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@ -10392,6 +10392,23 @@ out:
return ret;
}
static int check_global_roots_uptodate(void)
{
struct btrfs_root *root;
struct rb_node *n;
for (n = rb_first(&gfs_info->global_roots_tree); n; n = rb_next(n)) {
root = rb_entry(n, struct btrfs_root, rb_node);
if (!extent_buffer_uptodate(root->node)) {
error("chritical: global root [%llu %llu] not uptodate, unable to check the file system",
root->root_key.objectid, root->root_key.offset);
return -EIO;
}
}
return 0;
}
static const char * const cmd_check_usage[] = {
"btrfs check [options] <device>",
"Check structural integrity of a filesystem (unmounted).",
@ -10784,18 +10801,9 @@ static int cmd_check(const struct cmd_struct *cmd, int argc, char **argv)
if (ret)
goto close_out;
}
root = btrfs_extent_root(gfs_info, 0);
if (!extent_buffer_uptodate(root->node)) {
error("critical: extent_root, unable to check the filesystem");
ret = -EIO;
err |= !!ret;
goto close_out;
}
root = btrfs_csum_root(gfs_info, 0);
if (!extent_buffer_uptodate(root->node)) {
error("critical: csum_root, unable to check the filesystem");
ret = -EIO;
ret = check_global_roots_uptodate();
if (ret) {
err |= !!ret;
goto close_out;
}