From 267378d4de696d4397cd611e62957d19b2a61357 Mon Sep 17 00:00:00 2001
From: Chao Yu <chao2.yu@samsung.com>
Date: Wed, 23 Apr 2014 14:10:24 +0800
Subject: [PATCH] f2fs: introduce f2fs_seek_block to support SEEK_{DATA, HOLE}
 in llseek

In This patch we introduce f2fs_seek_block to support SEEK_{DATA,HOLE} of
lseek(2).

change log from v1:
 o fix bug when lseek from middle of page and fix wrong calculation of
PGOFS_OF_NEXT_DNODE macro.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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