f2fs: allocate node and hot data in the beginning of partition

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In order to give more spatial locality, this patch changes the block allocation
policy which assigns beginning of partition for small and hot data/node blocks.
In order to do this, we set noheap allocation by default and introduce another
mount option, heap, to reset it back.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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Jaegeuk Kim 2017-03-24 20:41:45 -04:00

parent c541a51b8c

commit 7a20b8a61e

3 changed files with 23 additions and 2 deletions

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6

fs/f2fs/gc.c

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9

fs/f2fs/segment.c

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10

fs/f2fs/super.c

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