From: Aneesh Kumar K.V Date: Tue, 5 Feb 2008 15:55:26 +0000 (-0500) Subject: jbd2: Fix reference counting on the journal commit block's buffer head X-Git-Tag: v2.6.25-rc1~10^2~10 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c4b8e635f525441b9cb0bab428b527858d977e8f;p=linux-2.6 jbd2: Fix reference counting on the journal commit block's buffer head 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 Signed-off-by: Mingming Cao Signed-off-by: "Theodore Ts'o" --- diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 48b3cb8aeb..d6ea623b1e 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -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;