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authorJosef Bacik <jbacik@fb.com>2015-03-02 16:37:31 -0500
committerJosef Bacik <jbacik@fb.com>2015-03-17 10:56:55 -0400
commitdcdf7f6ddba006f3482ebee73dfa6b75aec5f07b (patch)
treea91a5105b64f8d0c6ea5f653ea0000b295050b2a /fs/9p/cache.c
parentea526d18990018f224e5734748975bea1824545f (diff)
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Btrfs: prepare block group cache before writing
Writing the block group cache will modify the extent tree quite a bit because it truncates the old space cache and pre-allocates new stuff. To try and cut down on the churn lets do the setup dance first, then later on hopefully we can avoid looping with newly dirtied roots. Thanks, Signed-off-by: Josef Bacik <jbacik@fb.com>
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