f2fs: add a slab cache entry for small discards

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This patch adds a slab cache entry for small discards.

Each entry consists of:

struct discard_entry {
	struct list_head list;	/* list head */
	block_t blkaddr;	/* block address to be discarded */
	int len;		/* # of consecutive blocks of the discard */
};

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

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This commit is contained in:

Jaegeuk Kim 2013-11-15 13:55:58 +09:00

parent e81c93cf8c

commit 7fd9e544fb

3 changed files with 40 additions and 1 deletions

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14

fs/f2fs/f2fs.h

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20

fs/f2fs/segment.c

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7

fs/f2fs/super.c

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