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Message-Id: <20240930005942.626942-4-yebin@huaweicloud.com>
Date: Mon, 30 Sep 2024 08:59:39 +0800
From: Ye Bin <yebin@...weicloud.com>
To: tytso@....edu,
adilger.kernel@...ger.ca,
linux-ext4@...r.kernel.org
Cc: jack@...e.cz,
zhangxiaoxu5@...wei.com
Subject: [PATCH v2 3/6] jbd2: refactor JBD2_COMMIT_BLOCK process in do_one_pass()
From: Ye Bin <yebin10@...wei.com>
To make JBD2_COMMIT_BLOCK process more clean, no functional change.
Signed-off-by: Ye Bin <yebin10@...wei.com>
Reviewed-by: Jan Kara <jack@...e.cz>
---
fs/jbd2/recovery.c | 55 ++++++++++++++++++++++++----------------------
1 file changed, 29 insertions(+), 26 deletions(-)
diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index 0adf0cb31a03..0d697979d83e 100644
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -728,6 +728,11 @@ static int do_one_pass(journal_t *journal,
continue;
case JBD2_COMMIT_BLOCK:
+ if (pass != PASS_SCAN) {
+ next_commit_ID++;
+ continue;
+ }
+
/* How to differentiate between interrupted commit
* and journal corruption ?
*
@@ -790,8 +795,7 @@ static int do_one_pass(journal_t *journal,
* much to do other than move on to the next sequence
* number.
*/
- if (pass == PASS_SCAN &&
- jbd2_has_feature_checksum(journal)) {
+ if (jbd2_has_feature_checksum(journal)) {
struct commit_header *cbh =
(struct commit_header *)bh->b_data;
unsigned found_chksum =
@@ -815,34 +819,33 @@ static int do_one_pass(journal_t *journal,
goto chksum_error;
crc32_sum = ~0;
+ goto chksum_ok;
}
- if (pass == PASS_SCAN &&
- !jbd2_commit_block_csum_verify(journal,
- bh->b_data)) {
- if (jbd2_commit_block_csum_verify_partial(
- journal,
- bh->b_data)) {
- pr_notice("JBD2: Find incomplete commit block in transaction %u block %lu\n",
- next_commit_ID, next_log_block);
- goto chksum_ok;
- }
- chksum_error:
- if (commit_time < last_trans_commit_time)
- goto ignore_crc_mismatch;
- info->end_transaction = next_commit_ID;
- info->head_block = head_block;
- if (!jbd2_has_feature_async_commit(journal)) {
- journal->j_failed_commit =
- next_commit_ID;
- break;
- }
+ if (jbd2_commit_block_csum_verify(journal, bh->b_data))
+ goto chksum_ok;
+
+ if (jbd2_commit_block_csum_verify_partial(journal,
+ bh->b_data)) {
+ pr_notice("JBD2: Find incomplete commit block in transaction %u block %lu\n",
+ next_commit_ID, next_log_block);
+ goto chksum_ok;
}
- if (pass == PASS_SCAN) {
- chksum_ok:
- last_trans_commit_time = commit_time;
- head_block = next_log_block;
+
+chksum_error:
+ if (commit_time < last_trans_commit_time)
+ goto ignore_crc_mismatch;
+ info->end_transaction = next_commit_ID;
+ info->head_block = head_block;
+
+ if (!jbd2_has_feature_async_commit(journal)) {
+ journal->j_failed_commit = next_commit_ID;
+ break;
}
+
+chksum_ok:
+ last_trans_commit_time = commit_time;
+ head_block = next_log_block;
next_commit_ID++;
continue;
--
2.31.1
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