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jbd2: Fix reference counting on the journal commit block's buffer head

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With journal checksum patch we added asynchronous commits of journal
commit headers, and accidentally dropped taking a reference on the
buffer head.

(Before the change, sync_dirty_buffer did the get_bh(). The associative
put_bh is done by journal_wait_on_commit_record().)

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Aneesh Kumar K.V 2008-02-05 10:55:26 -05:00 committed by Theodore Ts'o
parent 5315217efe
commit c4b8e635f5
1 changed files with 1 additions and 1 deletions
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2
fs/jbd2/commit.c
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@ -136,7 +136,7 @@ static int journal_submit_commit_record(journal_t *journal,
JBUFFER_TRACE(descriptor, "submit commit block");
lock_buffer(bh);
get_bh(bh);
set_buffer_dirty(bh);
set_buffer_uptodate(bh);
bh->b_end_io = journal_end_buffer_io_sync;