f2fs: use extent cache to optimize f2fs_reserve_block

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In some cases, we only need the block address when we call
f2fs_reserve_block,
other fields of struct dnode_of_data aren't necessary.
We can try extent cache first for such cases in order to speed up the
process.

Signed-off-by: Fan li <fanofcode.li@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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Fan Li 2015-08-05 15:52:16 +08:00 • committed by Jaegeuk Kim

parent e90c2d2850

commit 759af1c9c1

2 changed files with 16 additions and 1 deletions

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fs/f2fs/data.c

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1

fs/f2fs/f2fs.h

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