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jbd2: Fix statistics for the number of logged blocks

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[ Upstream commit 015c6033068208d6227612c878877919f3fcf6b6 ]

jbd2 statistics counting number of blocks logged in a transaction was
wrong. It didn't count the commit block and more importantly it didn't
count revoke descriptor blocks. Make sure these get properly counted.

Reviewed-by: Theodore Ts'o <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Theodore Ts'o <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Jan Kara 2019-11-05 17:44:19 +01:00 • committed by Greg Kroah-Hartman
commit 9e2946bddd
1 changed files with 3 additions and 1 deletions
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4
fs/jbd2/commit.c
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@ -727,7 +727,6 @@ 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 +813,7 @@ 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 +859,7 @@ 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 +881,7 @@ 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);