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btrfs-progs: check: check all of the csum roots

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Use the global roots tree to find all of the csum roots in the system
and check all of them as appropriate.

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 14:26:46 -05:00 committed by David Sterba
parent d26c0b4414
commit bb575e3818
1 changed files with 23 additions and 3 deletions
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26
check/main.c
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@ -5977,7 +5977,7 @@ out:
return ret; return ret;
} }
static int check_csums(struct btrfs_root *root) static int check_csum_root(struct btrfs_root *root)
{ {
struct btrfs_path path; struct btrfs_path path;
struct extent_buffer *leaf; struct extent_buffer *leaf;
@ -5995,7 +5995,6 @@ static int check_csums(struct btrfs_root *root)
max_entries = ((BTRFS_LEAF_DATA_SIZE(gfs_info) - max_entries = ((BTRFS_LEAF_DATA_SIZE(gfs_info) -
(sizeof(struct btrfs_item) * 2)) / csum_size) - 1; (sizeof(struct btrfs_item) * 2)) / csum_size) - 1;
root = btrfs_csum_root(gfs_info, 0);
if (!extent_buffer_uptodate(root->node)) { if (!extent_buffer_uptodate(root->node)) {
fprintf(stderr, "No valid csum tree found\n"); fprintf(stderr, "No valid csum tree found\n");
return -ENOENT; return -ENOENT;
@ -6100,6 +6099,27 @@ skip_csum_check:
return errors; return errors;
} }
static int check_csums(void)
{
struct rb_node *n;
struct btrfs_root *root;
int ret;
root = btrfs_csum_root(gfs_info, 0);
while (1) {
ret = check_csum_root(root);
if (ret)
break;
n = rb_next(&root->rb_node);
if (!n)
break;
root = rb_entry(n, struct btrfs_root, rb_node);
if (root->root_key.objectid != BTRFS_CSUM_TREE_OBJECTID)
break;
}
return ret;
}
static int is_dropped_key(struct btrfs_key *key, static int is_dropped_key(struct btrfs_key *key,
struct btrfs_key *drop_key) struct btrfs_key *drop_key)
{ {
@ -10912,7 +10932,7 @@ static int cmd_check(const struct cmd_struct *cmd, int argc, char **argv)
task_start(ctx.info, &ctx.start_time, &ctx.item_count); task_start(ctx.info, &ctx.start_time, &ctx.item_count);
} }
ret = check_csums(root); ret = check_csums();
task_stop(ctx.info); task_stop(ctx.info);
/* /*
* Data csum error is not fatal, and it may indicate more serious * Data csum error is not fatal, and it may indicate more serious