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btrfs: don't drop a reference if btrfs_check_write_meta_pointer() fails

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In the zoned mode there's a bug in the extent buffer tree conversion to
xarray. The reference for eb is dropped and code continues but the
references get dropped by releasing the batch.

Reported-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reported-by: kernel test robot <oliver.sang@intel.com>
Link: https://lore.kernel.org/linux-btrfs/202505191521.435b97ac-lkp@intel.com/
Fixes: 19d7f65f03 ("btrfs: convert the buffer_radix to an xarray")
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Tested-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2025-05-19 14:03:01 -04:00 committed by David Sterba
parent eeb133a634
commit b83825a8f5
1 changed files with 0 additions and 1 deletions
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fs/btrfs/extent_io.c
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@ -2189,7 +2189,6 @@ int btree_write_cache_pages(struct address_space *mapping,
done = 1;
break;
}
free_extent_buffer(eb);
continue;
}