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authorChao Yu <yuchao0@huawei.com>2016-04-27 21:40:15 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2016-04-27 14:10:42 -0700
commitda011cc0da8cf4a60ddf4d2ae8b42902a3d71e5f (patch)
treebe9e3f689e66a59285b89dd7fab0ec29bedc67c0 /Documentation
parenta4a13f582c6d36b78b1c0459ee0b28f17bb2fb06 (diff)
f2fs: move node pages only in victim section during GC
For foreground GC, we cache node blocks in victim section and set them dirty, then we call sync_node_pages to flush these node pages, but meanwhile, those node pages which does not locate in victim section will be flushed together, so more bandwidth and continuous free space would be occupied. So for this condition, it's better to leave those unrelated node page in cache for further write hit, and let CP or VM to flush them afterward. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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