tree 408b55ae9241d1dca1145e16ff781b5f0112dd35
parent cd0b6a39a1d68b61b1073662f40f747c8b728f98
author Theodore Ts'o <tytso@mit.edu> 1212546671 -0400
committer Theodore Ts'o <tytso@mit.edu> 1212546671 -0400

jbd2: Fix barrier fallback code to re-lock the buffer head

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>