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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: Su Yue <suy.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Su Yue 2018-06-22 09:52:15 +08:00 committed by David Sterba
parent 7b4284de93
commit 893bf4b115
1 changed files with 4 additions and 4 deletions
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8
fs/btrfs/disk-io.c
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@ -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;
}