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author	Chao Yu <chao2.yu@samsung.com>
	Sat, 22 Mar 2014 06:57:23 +0000 (14:57 +0800)
committer	Jaegeuk Kim <jaegeuk.kim@samsung.com>
	Tue, 1 Apr 2014 09:53:41 +0000 (18:53 +0900)
commit	df0f8dc0e154de13e3a54846f384b674dd557c85
tree	9465da562d6136bd8a49d55b834f3713af880c5f	tree \| snapshot (tar.gz zip)
parent	3bb5e2c8fe2296ddd9d864dcfb5ee1b77135f3ec	commit \| diff

f2fs: avoid unnecessary bio submit when wait page writeback

This patch introduce is_merged_page() to check whether current page is merged
in f2fs bio cache. When page is not in cache, we can avoid submitting bio cache,
resulting in having more chance to merge pages.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

fs/f2fs/data.c		diff \| blob \| blame \| history
fs/f2fs/f2fs.h		diff \| blob \| blame \| history
fs/f2fs/segment.c		diff \| blob \| blame \| history
fs/f2fs/super.c		diff \| blob \| blame \| history

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