From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Sat, 16 Aug 2008 15:52:04 +0000 (+0200)
Subject: ieee1394: raw1394: narrow down the state_mutex protected region
X-Git-Tag: v2.6.28-rc1~277^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ddfb908d3f905dbb5964d6fbf783e69c417eb13e;p=pandora-kernel.git

ieee1394: raw1394: narrow down the state_mutex protected region

Refactor the ioctl dispatcher in order to move a fraction of it out of
the section which is serialized by fi->state_mutex.  This is not so much
about performance but more about self-documentation:  The mutex_lock()/
mutex_unlock() calls are now closer to the data accesses which the mutex
protects, i.e. to the iso_state switch.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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