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Commit 893bf4b1 authored by Su Yue's avatar Su Yue Committed by David Sterba
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btrfs: print more details when checking tree block finds a problem 



For easier debugging, print eb->start if level is invalid.  Also make
clear if bytenr found is not expected.

Signed-off-by: default avatarSu Yue <suy.fnst@cn.fujitsu.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 7b4284de

fs/btrfs/disk-io.c

+4 −4
Original line number Diff line number Diff line
@@ -615,8 +615,8 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio, 


	found_start = btrfs_header_bytenr(eb);

	if (found_start != eb->start) {

		btrfs_err_rl(fs_info, "bad tree block start %llu %llu",

			     found_start, eb->start);

		btrfs_err_rl(fs_info, "bad tree block start, want %llu have %llu",

			     eb->start, found_start);

		ret = -EIO;

		goto err;

	}
@@ -628,8 +628,8 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio, 
	}

	found_level = btrfs_header_level(eb);

	if (found_level >= BTRFS_MAX_LEVEL) {

		btrfs_err(fs_info, "bad tree block level %d",

			  (int)btrfs_header_level(eb));

		btrfs_err(fs_info, "bad tree block level %d on %llu",

			  (int)btrfs_header_level(eb), eb->start);

		ret = -EIO;

		goto err;

	}