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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2015-04-16 12:46:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-17 09:04:04 -0400
commitfa33915c92b43f5a4e95649f81303cc089b10dc6 (patch)
treee448cc995e87f394865e62b2c36605c169bb05c1 /drivers/md/dm.h
parent5b20384fb32cc3f93857f44fb84736d6d62a9917 (diff)
downloadlinux-fa33915c92b43f5a4e95649f81303cc089b10dc6.tar.bz2
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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