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jbd2: unified release of buffer_head in do_one_pass()

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Now buffer_head free is very fragmented in do_one_pass(), unified release
of buffer_head in do_one_pass()

Signed-off-by: Ye Bin <yebin10@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Link: https://patch.msgid.link/20240930005942.626942-3-yebin@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Ye Bin 2024-09-30 08:59:38 +08:00 committed by Theodore Ts'o
parent 4309a94da7
commit 4c199241b6
1 changed files with 9 additions and 25 deletions
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34
fs/jbd2/recovery.c
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@ -493,7 +493,7 @@ static int do_one_pass(journal_t *journal,
int err, success = 0;
journal_superblock_t * sb;
journal_header_t * tmp;
struct buffer_head * bh;
struct buffer_head *bh = NULL;
unsigned int sequence;
int blocktype;
int tag_bytes = journal_tag_bytes(journal);
@ -552,6 +552,8 @@ static int do_one_pass(journal_t *journal,
* record. */
jbd2_debug(3, "JBD2: checking block %ld\n", next_log_block);
brelse(bh);
bh = NULL;
err = jread(&bh, journal, next_log_block);
if (err)
goto failed;
@ -567,20 +569,16 @@ static int do_one_pass(journal_t *journal,
tmp = (journal_header_t *)bh->b_data;
if (tmp->h_magic != cpu_to_be32(JBD2_MAGIC_NUMBER)) {
brelse(bh);
if (tmp->h_magic != cpu_to_be32(JBD2_MAGIC_NUMBER))
break;
}
blocktype = be32_to_cpu(tmp->h_blocktype);
sequence = be32_to_cpu(tmp->h_sequence);
jbd2_debug(3, "Found magic %d, sequence %d\n",
blocktype, sequence);
if (sequence != next_commit_ID) {
brelse(bh);
if (sequence != next_commit_ID)
break;
}
/* OK, we have a valid descriptor block which matches
* all of the sequence number checks. What are we going
@ -603,7 +601,6 @@ static int do_one_pass(journal_t *journal,
pr_err("JBD2: Invalid checksum recovering block %lu in log\n",
next_log_block);
err = -EFSBADCRC;
brelse(bh);
goto failed;
}
need_check_commit_time = true;
@ -622,16 +619,12 @@ static int do_one_pass(journal_t *journal,
!info->end_transaction) {
if (calc_chksums(journal, bh,
&next_log_block,
&crc32_sum)) {
put_bh(bh);
&crc32_sum))
break;
}
put_bh(bh);
continue;
}
next_log_block += count_tags(journal, bh);
wrap(journal, next_log_block);
put_bh(bh);
continue;
}
@ -701,7 +694,6 @@ static int do_one_pass(journal_t *journal,
"JBD2: Out of memory "
"during recovery.\n");
err = -ENOMEM;
brelse(bh);
brelse(obh);
goto failed;
}
@ -733,7 +725,6 @@ static int do_one_pass(journal_t *journal,
break;
}
brelse(bh);
continue;
case JBD2_COMMIT_BLOCK:
@ -781,7 +772,6 @@ static int do_one_pass(journal_t *journal,
pr_err("JBD2: Invalid checksum found in transaction %u\n",
next_commit_ID);
err = -EFSBADCRC;
brelse(bh);
goto failed;
}
ignore_crc_mismatch:
@ -791,7 +781,6 @@ static int do_one_pass(journal_t *journal,
*/
jbd2_debug(1, "JBD2: Invalid checksum ignored in transaction %u, likely stale data\n",
next_commit_ID);
brelse(bh);
goto done;
}
@ -811,7 +800,6 @@ static int do_one_pass(journal_t *journal,
if (info->end_transaction) {
journal->j_failed_commit =
info->end_transaction;
brelse(bh);
break;
}
@ -847,7 +835,6 @@ static int do_one_pass(journal_t *journal,
if (!jbd2_has_feature_async_commit(journal)) {
journal->j_failed_commit =
next_commit_ID;
brelse(bh);
break;
}
}
@ -856,7 +843,6 @@ static int do_one_pass(journal_t *journal,
last_trans_commit_time = commit_time;
head_block = next_log_block;
}
brelse(bh);
next_commit_ID++;
continue;
@ -875,14 +861,11 @@ static int do_one_pass(journal_t *journal,
/* If we aren't in the REVOKE pass, then we can
* just skip over this block. */
if (pass != PASS_REVOKE) {
brelse(bh);
if (pass != PASS_REVOKE)
continue;
}
err = scan_revoke_records(journal, bh,
next_commit_ID, info);
brelse(bh);
if (err)
goto failed;
continue;
@ -890,12 +873,12 @@ static int do_one_pass(journal_t *journal,
default:
jbd2_debug(3, "Unrecognised magic %d, end of scan.\n",
blocktype);
brelse(bh);
goto done;
}
}
done:
brelse(bh);
/*
* We broke out of the log scan loop: either we came to the
* known end of the log or we found an unexpected block in the
@ -931,6 +914,7 @@ static int do_one_pass(journal_t *journal,
return success;
failed:
brelse(bh);
return err;
}