linux-ext4 - [RFCv1 53/72] e2fsck: merge extent depth count after threads finish

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Message-Id: <6a4a5461ba2ca87b7bf1ac6923663d41e3d11677.1667822611.git.ritesh.list@gmail.com>
Date:   Mon,  7 Nov 2022 17:51:41 +0530
From:   "Ritesh Harjani (IBM)" <ritesh.list@...il.com>
To:     Theodore Ts'o <tytso@....edu>
Cc:     linux-ext4@...r.kernel.org,
        Harshad Shirwadkar <harshadshirwadkar@...il.com>,
        Wang Shilong <wshilong@....com>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Li Xi <lixi@....com>, Ritesh Harjani <ritesh.list@...il.com>
Subject: [RFCv1 53/72] e2fsck: merge extent depth count after threads finish

From: Wang Shilong <wshilong@....com>

tests covered by f_extent_htree.

Signed-off-by: Wang Shilong <wshilong@....com>
Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@...il.com>
---
 e2fsck/pass1.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/e2fsck/pass1.c b/e2fsck/pass1.c
index 1a5fcf66..c89c424d 100644
--- a/e2fsck/pass1.c
+++ b/e2fsck/pass1.c
@@ -2866,8 +2866,11 @@ static int e2fsck_pass1_thread_join_one(e2fsck_t global_ctx, e2fsck_t thread_ctx
 	ext2_refcount_t ea_inode_refs = global_ctx->ea_inode_refs;
 	ext2fs_block_bitmap  block_found_map = global_ctx->block_found_map;
 	ext2fs_block_bitmap  block_dup_map = global_ctx->block_dup_map;
-	int options = global_ctx->options;
+	int options = global_ctx->options, i;
+	__u32 extent_depth_count[MAX_EXTENT_DEPTH_COUNT];
 
+	memcpy(extent_depth_count, global_ctx->extent_depth_count,
+	       sizeof(extent_depth_count));
 #ifdef HAVE_SETJMP_H
 	jmp_buf old_jmp;
 
@@ -2930,6 +2933,12 @@ static int e2fsck_pass1_thread_join_one(e2fsck_t global_ctx, e2fsck_t thread_ctx
 	 * later passes will recalculate it if necessary
 	 */
 	global_ctx->lost_and_found = 0;
+	memcpy(global_ctx->extent_depth_count, extent_depth_count,
+	       sizeof(extent_depth_count));
+	/* merge extent depth count */
+	for (i = 0; i < MAX_EXTENT_DEPTH_COUNT; i++)
+		global_ctx->extent_depth_count[i] +=
+			thread_ctx->extent_depth_count[i];
 
 	global_fs->priv_data = global_ctx;
 	global_ctx->fs = global_fs;
-- 
2.37.3