debugfs: dx_hash: honor the unsigned hash flag if a file system is op…

…ened If we are using the hash seed and hash version from an open file systenm, then we should also use the unsigned version of the hash algorithm if the superblock as the unsigned hash flag set. Signed-off-by: Theodore Ts'o <[email protected]>
tytso · Jan 16, 2024 · 1094c17 · 1094c17
1 parent 6cde9c2
commit 1094c17
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/debugfs/htree.c b/debugfs/htree.c
@@ -347,6 +347,9 @@ void do_dx_hash(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
 		hash_seed[3] = current_fs->super->s_hash_seed[3];
 
 		hash_version = current_fs->super->s_def_hash_version;
+		if (hash_version <= EXT2_HASH_TEA &&
+		    current_fs->super->s_flags & EXT2_FLAGS_UNSIGNED_HASH)
+			hash_version += 3;
 	}
 
 	reset_getopt();