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Message-ID: <20230825132237.2869251-1-libaokun1@huawei.com> Date: Fri, 25 Aug 2023 21:22:37 +0800 From: Baokun Li <libaokun1@...wei.com> To: <linux-ext4@...r.kernel.org> CC: <tytso@....edu>, <adilger.kernel@...ger.ca>, <jack@...e.cz>, <darrick.wong@...cle.com>, <yi.zhang@...wei.com>, <yangerkun@...wei.com>, <yukuai3@...wei.com>, <libaokun1@...wei.com> Subject: [PATCH v2] e2fsck: delay quotas loading in release_orphan_inodes() After 7d79b40b ("e2fsck: adjust quota counters when clearing orphaned inodes"), we load all the quotas before we process the orphaned inodes, and when we load the quotas, we check the checsum of the bbitmap for each group. If one of the bbitmap checksums is wrong, the following error will be reported: “Error initializing quota context in support library: Block bitmap checksum does not match bitmap” But loading quotas comes before checking the current superblock for the EXT2_ERROR_FS flag, which makes it impossible to use e2fsck to repair any image that contains orphan inodes and has the wrong bbitmap checksum. So delaying quota loading until after the EXT2_ERROR_FS judgment avoids the above problem. Moreover, since we don't care if the bitmap checksum is wrong before Pass5, e2fsck_read_bitmaps() is called before loading the quota to avoid bitmap checksum errors that would cause e2fsck to exit. Signed-off-by: Baokun Li <libaokun1@...wei.com> --- V1->V2: Add e2fsck_read_bitmaps() to avoid bitmap checksum errors causing e2fsck to exit. e2fsck/super.c | 23 +++++++++++------------ 1 file changed, 11 insertions(+), 12 deletions(-) diff --git a/e2fsck/super.c b/e2fsck/super.c index 9495e029..69ea6795 100644 --- a/e2fsck/super.c +++ b/e2fsck/super.c @@ -503,15 +503,6 @@ static int release_orphan_inodes(e2fsck_t ctx) !ext2fs_has_feature_orphan_present(fs->super)) return 0; - clear_problem_context(&pctx); - ino = fs->super->s_last_orphan; - pctx.ino = ino; - pctx.errcode = e2fsck_read_all_quotas(ctx); - if (pctx.errcode) { - fix_problem(ctx, PR_0_QUOTA_INIT_CTX, &pctx); - return 1; - } - /* * Win or lose, we won't be using the head of the orphan inode * list again. @@ -525,10 +516,18 @@ static int release_orphan_inodes(e2fsck_t ctx) * be running a full e2fsck run anyway... We clear orphan file contents * after filesystem is checked to avoid clearing someone else's data. */ - if (fs->super->s_state & EXT2_ERROR_FS) { - if (ctx->qctx) - quota_release_context(&ctx->qctx); + if (fs->super->s_state & EXT2_ERROR_FS) return 0; + + e2fsck_read_bitmaps(ctx); + + clear_problem_context(&pctx); + ino = fs->super->s_last_orphan; + pctx.ino = ino; + pctx.errcode = e2fsck_read_all_quotas(ctx); + if (pctx.errcode) { + fix_problem(ctx, PR_0_QUOTA_INIT_CTX, &pctx); + return 1; } if (ino && ((ino < EXT2_FIRST_INODE(fs->super)) || -- 2.31.1
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