f2fs: avoid unnecessary bio submit when wait page writeback

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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>

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Chao Yu 2014-03-22 14:57:23 +08:00 • committed by Jaegeuk Kim

parent 3bb5e2c8fe

commit df0f8dc0e1

4 changed files with 34 additions and 8 deletions

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8

fs/f2fs/data.c

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2

fs/f2fs/f2fs.h

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28

fs/f2fs/segment.c

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4

fs/f2fs/super.c

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