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Diffstat (limited to 'fs/jbd2/recovery.c')
-rw-r--r--fs/jbd2/recovery.c47
1 files changed, 26 insertions, 21 deletions
diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index 8ca3527189f8..8286a9ec122f 100644
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -100,7 +100,7 @@ static int do_readahead(journal_t *journal, unsigned int start)
if (!buffer_uptodate(bh) && !buffer_locked(bh)) {
bufs[nbufs++] = bh;
if (nbufs == MAXBUF) {
- ll_rw_block(REQ_OP_READ, 0, nbufs, bufs);
+ bh_readahead_batch(nbufs, bufs, 0);
journal_brelse_array(bufs, nbufs);
nbufs = 0;
}
@@ -109,7 +109,7 @@ static int do_readahead(journal_t *journal, unsigned int start)
}
if (nbufs)
- ll_rw_block(REQ_OP_READ, 0, nbufs, bufs);
+ bh_readahead_batch(nbufs, bufs, 0);
err = 0;
failed:
@@ -152,9 +152,14 @@ static int jread(struct buffer_head **bhp, journal_t *journal,
return -ENOMEM;
if (!buffer_uptodate(bh)) {
- /* If this is a brand new buffer, start readahead.
- Otherwise, we assume we are already reading it. */
- if (!buffer_req(bh))
+ /*
+ * If this is a brand new buffer, start readahead.
+ * Otherwise, we assume we are already reading it.
+ */
+ bool need_readahead = !buffer_req(bh);
+
+ bh_read_nowait(bh, 0);
+ if (need_readahead)
do_readahead(journal, offset);
wait_on_buffer(bh);
}
@@ -245,17 +250,18 @@ static int fc_do_one_pass(journal_t *journal,
return 0;
while (next_fc_block <= journal->j_fc_last) {
- jbd_debug(3, "Fast commit replay: next block %ld\n",
+ jbd2_debug(3, "Fast commit replay: next block %ld\n",
next_fc_block);
err = jread(&bh, journal, next_fc_block);
if (err) {
- jbd_debug(3, "Fast commit replay: read error\n");
+ jbd2_debug(3, "Fast commit replay: read error\n");
break;
}
err = journal->j_fc_replay_callback(journal, bh, pass,
next_fc_block - journal->j_fc_first,
expected_commit_id);
+ brelse(bh);
next_fc_block++;
if (err < 0 || err == JBD2_FC_REPLAY_STOP)
break;
@@ -263,7 +269,7 @@ static int fc_do_one_pass(journal_t *journal,
}
if (err)
- jbd_debug(3, "Fast commit replay failed, err = %d\n", err);
+ jbd2_debug(3, "Fast commit replay failed, err = %d\n", err);
return err;
}
@@ -297,7 +303,7 @@ int jbd2_journal_recover(journal_t *journal)
*/
if (!sb->s_start) {
- jbd_debug(1, "No recovery required, last transaction %d\n",
+ jbd2_debug(1, "No recovery required, last transaction %d\n",
be32_to_cpu(sb->s_sequence));
journal->j_transaction_sequence = be32_to_cpu(sb->s_sequence) + 1;
return 0;
@@ -309,10 +315,10 @@ int jbd2_journal_recover(journal_t *journal)
if (!err)
err = do_one_pass(journal, &info, PASS_REPLAY);
- jbd_debug(1, "JBD2: recovery, exit status %d, "
+ jbd2_debug(1, "JBD2: recovery, exit status %d, "
"recovered transactions %u to %u\n",
err, info.start_transaction, info.end_transaction);
- jbd_debug(1, "JBD2: Replayed %d and revoked %d/%d blocks\n",
+ jbd2_debug(1, "JBD2: Replayed %d and revoked %d/%d blocks\n",
info.nr_replays, info.nr_revoke_hits, info.nr_revokes);
/* Restart the log at the next transaction ID, thus invalidating
@@ -362,7 +368,7 @@ int jbd2_journal_skip_recovery(journal_t *journal)
#ifdef CONFIG_JBD2_DEBUG
int dropped = info.end_transaction -
be32_to_cpu(journal->j_superblock->s_sequence);
- jbd_debug(1,
+ jbd2_debug(1,
"JBD2: ignoring %d transaction%s from the journal.\n",
dropped, (dropped == 1) ? "" : "s");
#endif
@@ -484,7 +490,7 @@ static int do_one_pass(journal_t *journal,
if (pass == PASS_SCAN)
info->start_transaction = first_commit_ID;
- jbd_debug(1, "Starting recovery pass %d\n", pass);
+ jbd2_debug(1, "Starting recovery pass %d\n", pass);
/*
* Now we walk through the log, transaction by transaction,
@@ -510,7 +516,7 @@ static int do_one_pass(journal_t *journal,
if (tid_geq(next_commit_ID, info->end_transaction))
break;
- jbd_debug(2, "Scanning for sequence ID %u at %lu/%lu\n",
+ jbd2_debug(2, "Scanning for sequence ID %u at %lu/%lu\n",
next_commit_ID, next_log_block,
jbd2_has_feature_fast_commit(journal) ?
journal->j_fc_last : journal->j_last);
@@ -519,7 +525,7 @@ static int do_one_pass(journal_t *journal,
* either the next descriptor block or the final commit
* record. */
- jbd_debug(3, "JBD2: checking block %ld\n", next_log_block);
+ jbd2_debug(3, "JBD2: checking block %ld\n", next_log_block);
err = jread(&bh, journal, next_log_block);
if (err)
goto failed;
@@ -542,7 +548,7 @@ static int do_one_pass(journal_t *journal,
blocktype = be32_to_cpu(tmp->h_blocktype);
sequence = be32_to_cpu(tmp->h_sequence);
- jbd_debug(3, "Found magic %d, sequence %d\n",
+ jbd2_debug(3, "Found magic %d, sequence %d\n",
blocktype, sequence);
if (sequence != next_commit_ID) {
@@ -575,7 +581,7 @@ static int do_one_pass(journal_t *journal,
goto failed;
}
need_check_commit_time = true;
- jbd_debug(1,
+ jbd2_debug(1,
"invalid descriptor block found in %lu\n",
next_log_block);
}
@@ -687,7 +693,6 @@ static int do_one_pass(journal_t *journal,
mark_buffer_dirty(nbh);
BUFFER_TRACE(nbh, "marking uptodate");
++info->nr_replays;
- /* ll_rw_block(WRITE, 1, &nbh); */
unlock_buffer(nbh);
brelse(obh);
brelse(nbh);
@@ -758,7 +763,7 @@ static int do_one_pass(journal_t *journal,
* It likely does not belong to same journal,
* just end this recovery with success.
*/
- jbd_debug(1, "JBD2: Invalid checksum ignored in transaction %u, likely stale data\n",
+ jbd2_debug(1, "JBD2: Invalid checksum ignored in transaction %u, likely stale data\n",
next_commit_ID);
brelse(bh);
goto done;
@@ -826,7 +831,7 @@ static int do_one_pass(journal_t *journal,
if (pass == PASS_SCAN &&
!jbd2_descriptor_block_csum_verify(journal,
bh->b_data)) {
- jbd_debug(1, "JBD2: invalid revoke block found in %lu\n",
+ jbd2_debug(1, "JBD2: invalid revoke block found in %lu\n",
next_log_block);
need_check_commit_time = true;
}
@@ -845,7 +850,7 @@ static int do_one_pass(journal_t *journal,
continue;
default:
- jbd_debug(3, "Unrecognised magic %d, end of scan.\n",
+ jbd2_debug(3, "Unrecognised magic %d, end of scan.\n",
blocktype);
brelse(bh);
goto done;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.