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authorMing Lei <tom.leiming@gmail.com>2016-11-11 15:05:35 +0300
committerMike Snitzer <snitzer@redhat.com>2016-11-21 17:51:57 +0300
commitcacc7b0556739bd6018252731c0237c071ba51da (patch)
tree8c5cb13d6cb60a9f79616f3887318b9743202c56 /tools/perf/scripts/python/export-to-postgresql.py
parent4f9c74c6043891d415730bcb153c579be35c352f (diff)
downloadlinux-cacc7b0556739bd6018252731c0237c071ba51da.tar.xz
dm io: use bvec iterator helpers to implement .get_page and .next_page
Firstly we have mature bvec/bio iterator helper for iterate each page in one bio, not necessary to reinvent a wheel to do that. Secondly the coming multipage bvecs requires this patch. Also add comments about the direct access to bvec table. Signed-off-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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