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GFS2: Reduce contention on gfs2_log_lock
This patch modifies functions gfs2_trans_add_meta and _data so that they check whether the buffer_head is already in a transaction, and if so, avoid taking the gfs2_log_lock. Signed-off-by: Bob Peterson <rpeterso@redhat.com>
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Bob Peterson
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Jan 30, 2017
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