btrfs: print-tree: parent bytenr must be aligned to sector size

Check nodesize to sectorsize in alignment check in print_extent_item.
The comment states that and this is correct, similar check is done
elsewhere in the functions.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: ea57788 ("btrfs: require only sector size alignment for parent eb bytenr")
CC: [email protected] # 4.14+
Reviewed-by: Qu Wenruo <[email protected]>
Signed-off-by: Anastasia Belova <[email protected]>
Reviewed-by: David Sterba <[email protected]>
Signed-off-by: David Sterba <[email protected]>

Author: Anastasia Belova

fs/btrfs/print-tree.c

@@ -151,10 +151,10 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type)
 			pr_cont("shared data backref parent %llu count %u\n",
 			       offset, btrfs_shared_data_ref_count(eb, sref));
 			/*
-			 * offset is supposed to be a tree block which
-			 * must be aligned to nodesize.
+			 * Offset is supposed to be a tree block which must be
+			 * aligned to sectorsize.
 			 */
-			if (!IS_ALIGNED(offset, eb->fs_info->nodesize))
+			if (!IS_ALIGNED(offset, eb->fs_info->sectorsize))
 				pr_info(
 			"\t\t\t(parent %llu not aligned to sectorsize %u)\n",
 				     offset, eb->fs_info->sectorsize);