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Merge branch 'jk/jbd2-revoke-overflow'

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This commit is contained in:
Theodore Ts'o
2019-11-05 16:02:20 -05:00
parent 0d0a60c92f 19014d6971
commit a6d4040846
21 changed files with 675 additions and 478 deletions
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fs/jbd2/commit.c
+8 -5
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@@ -560,8 +560,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
stats.run.rs_logging = jiffies;
stats.run.rs_flushing = jbd2_time_diff(stats.run.rs_flushing,
stats.run.rs_logging);
stats.run.rs_blocks =
atomic_read(&commit_transaction->t_outstanding_credits);
stats.run.rs_blocks = commit_transaction->t_nr_buffers;
stats.run.rs_blocks_logged = 0;
J_ASSERT(commit_transaction->t_nr_buffers <=
@@ -642,8 +641,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
/*
* start_this_handle() uses t_outstanding_credits to determine
* the free space in the log, but this counter is changed
* by jbd2_journal_next_log_block() also.
* the free space in the log.
*/
atomic_dec(&commit_transaction->t_outstanding_credits);
@@ -727,7 +725,6 @@ start_journal_io:
submit_bh(REQ_OP_WRITE, REQ_SYNC, bh);
}
cond_resched();
stats.run.rs_blocks_logged += bufs;
/* Force a new descriptor to be generated next
time round the loop. */
@@ -814,6 +811,7 @@ start_journal_io:
if (unlikely(!buffer_uptodate(bh)))
err = -EIO;
jbd2_unfile_log_bh(bh);
stats.run.rs_blocks_logged++;
/*
* The list contains temporary buffer heads created by
@@ -859,6 +857,7 @@ start_journal_io:
BUFFER_TRACE(bh, "ph5: control buffer writeout done: unfile");
clear_buffer_jwrite(bh);
jbd2_unfile_log_bh(bh);
stats.run.rs_blocks_logged++;
__brelse(bh); /* One for getblk */
/* AKPM: bforget here */
}
@@ -880,6 +879,7 @@ start_journal_io:
}
if (cbh)
err = journal_wait_on_commit_record(journal, cbh);
stats.run.rs_blocks_logged++;
if (jbd2_has_feature_async_commit(journal) &&
journal->j_flags & JBD2_BARRIER) {
blkdev_issue_flush(journal->j_dev, GFP_NOFS, NULL);
@@ -888,6 +888,9 @@ start_journal_io:
if (err)
jbd2_journal_abort(journal, err);
WARN_ON_ONCE(
atomic_read(&commit_transaction->t_outstanding_credits) < 0);
/*
* Now disk caches for filesystem device are flushed so we are safe to
* erase checkpointed transactions from the log by updating journal