From: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Date: Thu, 16 Apr 2015 19:46:39 +0000 (-0700)
Subject: nilfs2: add helper to find existent block on metadata file
X-Git-Tag: omap-for-v4.1/fixes-rc1~115^2~63
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa33915c92b43f5a4e95649f81303cc089b10dc6;p=pandora-kernel.git

nilfs2: add helper to find existent block on metadata file

Add a new metadata file function, nilfs_mdt_find_block(), which finds
an existent block on a metadata file in a given range of blocks.  This
function skips continuous hole blocks efficiently by using
nilfs_bmap_seek_key().

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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