btrfs: tree-checker: Allow error injection for tree-checker (02529d7a) · Commits · 戴 / test

Allowing error injection for btrfs_check_leaf_full() and btrfs_check_node() is useful to test the failure path of btrfs write time tree check. Signed-off-by:

Qu Wenruo <wqu@suse.com> Signed-off-by:

David Sterba <dsterba@suse.com>

fs/btrfs/tree-checker.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -15,6 +15,9 @@
		* carefully reviewed otherwise so it does not prevent mount of valid images.
		*/

		#include <linux/types.h>
		#include <linux/stddef.h>
		#include <linux/error-injection.h>
		#include "ctree.h"
		#include "tree-checker.h"
		#include "disk-io.h"
		@@ -942,6 +945,7 @@ int btrfs_check_leaf_full(struct extent_buffer *leaf)
		{
		return check_leaf(leaf, true);
		}
		ALLOW_ERROR_INJECTION(btrfs_check_leaf_full, ERRNO);

		int btrfs_check_leaf_relaxed(struct extent_buffer *leaf)
		{
		@@ -1005,3 +1009,4 @@ int btrfs_check_node(struct extent_buffer *node)
		out:
		return ret;
		}
		ALLOW_ERROR_INJECTION(btrfs_check_node, ERRNO);

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