From: Brian Foster <bfoster@redhat.com>
Date: Tue, 23 Dec 2014 22:46:23 +0000 (+1100)
Subject: xfs: initialize log buf I/O completion wq on log alloc
X-Git-Tag: fixes-v4.0-rc1~157^2~6^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=96ab7954bca0eeedfb17094719db1351fba361d3;p=pandora-kernel.git

xfs: initialize log buf I/O completion wq on log alloc

Log buffer I/O completion passes through the high priority
m_log_workqueue rather than the default metadata buffer workqueue. The
log buffer wq is initialized at I/O submission time. The log buffers are
reused once initialized, however, so this is not necessary.

Initialize the log buffer I/O completion workqueue pointers once when
the log is allocated and log buffers initialized rather than on every
log buffer I/O submission.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
---

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