[RFCv1 40/72] e2fsck: merge dirs_to_hash when threads finish

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From: Wang Shilong <wshilong@xxxxxxx>

@dirs_to_hash list need be merged after threads finish,
test covered by t_dangerous.

Signed-off-by: Wang Shilong <wshilong@xxxxxxx>
Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@xxxxxxxxx>
---
 e2fsck/pass1.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/e2fsck/pass1.c b/e2fsck/pass1.c
index f998590e..a3f13402 100644
--- a/e2fsck/pass1.c
+++ b/e2fsck/pass1.c
@@ -2392,6 +2392,25 @@ static errcode_t e2fsck_pass1_merge_icounts(e2fsck_t global_ctx, e2fsck_t thread
 	return ret;
 }
 
+static errcode_t e2fsck_pass1_merge_dirs_to_hash(e2fsck_t global_ctx,
+						 e2fsck_t thread_ctx)
+{
+	errcode_t retval = 0;
+
+	if (!thread_ctx->dirs_to_hash)
+		return 0;
+
+	if (!global_ctx->dirs_to_hash)
+		retval = ext2fs_badblocks_copy(thread_ctx->dirs_to_hash,
+					       &global_ctx->dirs_to_hash);
+	else
+		retval = ext2fs_badblocks_merge(thread_ctx->dirs_to_hash,
+						global_ctx->dirs_to_hash);
+
+	return retval;
+}
+
+
 static int e2fsck_pass1_thread_join_one(e2fsck_t global_ctx, e2fsck_t thread_ctx)
 {
 	errcode_t retval = 0;
@@ -2434,6 +2453,7 @@ static int e2fsck_pass1_thread_join_one(e2fsck_t global_ctx, e2fsck_t thread_ctx
 	__u32 large_files = global_ctx->large_files;
 	ext2_ino_t dx_dir_info_size = global_ctx->dx_dir_info_size;
 	ext2_ino_t dx_dir_info_count = global_ctx->dx_dir_info_count;
+	ext2_u32_list dirs_to_hash = global_ctx->dirs_to_hash;
 
 #ifdef HAVE_SETJMP_H
 	jmp_buf old_jmp;
@@ -2504,6 +2524,14 @@ static int e2fsck_pass1_thread_join_one(e2fsck_t global_ctx, e2fsck_t thread_ctx
 		com_err(global_ctx->program_name, 0, _("while merging fs\n"));
 		return retval;
 	}
+	global_ctx->dirs_to_hash = dirs_to_hash;
+	retval = e2fsck_pass1_merge_dirs_to_hash(global_ctx, thread_ctx);
+	if (retval) {
+		com_err(global_ctx->program_name, 0,
+			_("while merging dirs to hash\n"));
+		return retval;
+	}
+
 	retval = e2fsck_pass1_merge_bitmap(global_fs,
 				&thread_ctx->inode_used_map,
 				&global_ctx->inode_used_map);
@@ -2583,6 +2611,8 @@ static int e2fsck_pass1_thread_join(e2fsck_t global_ctx, e2fsck_t thread_ctx)
 	e2fsck_free_dir_info(thread_ctx);
 	ext2fs_free_icount(thread_ctx->inode_count);
 	ext2fs_free_icount(thread_ctx->inode_link_info);
+	if (thread_ctx->dirs_to_hash)
+		ext2fs_badblocks_list_free(thread_ctx->dirs_to_hash);
 
 	if (thread_ctx->logf)
 		fclose(thread_ctx->logf);
-- 
2.37.3




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