f2fs: use F2FS_BLKSIZE to judge bloksize and page_cache_size
authormajianpeng <majianpeng@gmail.com>
Fri, 1 Feb 2013 11:07:57 +0000 (19:07 +0800)
committerJaegeuk Kim <jaegeuk.kim@samsung.com>
Mon, 11 Feb 2013 22:15:01 +0000 (07:15 +0900)
In some system PAGE_CACHE_SIZE isn't 4K. So using F2FS_BLKSIZE to judge.

By Jaegeuk Kim:
 o f2fs does not support no other 4KB page cache size.

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

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