jbd2: Fix barrier fallback code to re-lock the buffer head
authorTheodore Ts'o <tytso@mit.edu>
Wed, 4 Jun 2008 02:31:11 +0000 (22:31 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Wed, 4 Jun 2008 02:31:11 +0000 (22:31 -0400)
If the device doesn't support write barriers, the write is retried
without ordered mode.  But the buffer head needs to be re-locked or
submit_bh will fail with on BUG(!buffer_locked(bh)).

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

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