linux-ext4 - [RFCv1 42/72] e2fsck: merge quota context after threads finish

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Date:   Mon,  7 Nov 2022 17:51:30 +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 42/72] e2fsck: merge quota context after threads finish

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

Every threads calculate its own quota accounting,
merge them after threads finish.

Signed-off-by: Wang Shilong <wshilong@....com>
Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@...il.com>
---
 e2fsck/pass1.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/e2fsck/pass1.c b/e2fsck/pass1.c
index 7e167189..213c1a51 100644
--- a/e2fsck/pass1.c
+++ b/e2fsck/pass1.c
@@ -2317,6 +2317,12 @@ static errcode_t e2fsck_pass1_thread_prepare(e2fsck_t global_ctx, e2fsck_t *thre
 	if (thread_context->options & E2F_OPT_MULTITHREAD)
 		log_out(thread_context, _("Scan group range [%d, %d)\n"),
 			tinfo->et_group_start, tinfo->et_group_end);
+	retval = quota_init_context(&thread_context->qctx, thread_fs, 0);
+	if (retval) {
+		com_err(global_ctx->program_name, retval,
+			"while init quota context");
+		goto out_fs;
+	}
 	*thread_ctx = thread_context;
 	return 0;
 out_fs:
@@ -2454,6 +2460,7 @@ static int e2fsck_pass1_thread_join_one(e2fsck_t global_ctx, e2fsck_t thread_ctx
 	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;
+	quota_ctx_t qctx = global_ctx->qctx;
 
 #ifdef HAVE_SETJMP_H
 	jmp_buf old_jmp;
@@ -2530,6 +2537,12 @@ static int e2fsck_pass1_thread_join_one(e2fsck_t global_ctx, e2fsck_t thread_ctx
 		return retval;
 	}
 
+	global_ctx->qctx = qctx;
+	retval = quota_merge_and_update_usage(global_ctx->qctx,
+					      thread_ctx->qctx);
+	if (retval)
+		return retval;
+
 	retval = e2fsck_pass1_merge_bitmap(global_fs,
 				&thread_ctx->inode_used_map,
 				&global_ctx->inode_used_map);
@@ -2611,6 +2624,7 @@ static int e2fsck_pass1_thread_join(e2fsck_t global_ctx, e2fsck_t thread_ctx)
 	ext2fs_free_icount(thread_ctx->inode_link_info);
 	if (thread_ctx->dirs_to_hash)
 		ext2fs_badblocks_list_free(thread_ctx->dirs_to_hash);
+	quota_release_context(&thread_ctx->qctx);
 
 	if (thread_ctx->logf)
 		fclose(thread_ctx->logf);
-- 
2.37.3