f2fs: add f2fs_readonly()
authorJaegeuk Kim <jaegeuk.kim@samsung.com>
Mon, 20 May 2013 11:28:47 +0000 (20:28 +0900)
committerJaegeuk Kim <jaegeuk.kim@samsung.com>
Tue, 28 May 2013 06:03:03 +0000 (15:03 +0900)
Introduce a simple macro function for readability.

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

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