commit | 27e6c7a3ce29ae5fa5bec4ed5917f8508bfac120 | [log] [tgz] |
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author | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | Sun Dec 26 16:28:28 2010 +0900 |
committer | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | Mon Jan 10 14:05:45 2011 +0900 |
tree | 958d82757bf23e426c7bc1035f76d986f09be535 | |
parent | e828949e5b42bfd234ee537cdb7c5e3a577958a3 [diff] |
nilfs2: mark buffer heads as delayed until the data is written to disk Nilfs does not allocate new blocks on disk until they are actually written to. To implement fiemap, we need to deal with such blocks. To allow successive fiemap patch to distinguish mapped but unallocated regions, this marks buffer heads of those new blocks as delayed and clears the flag after the blocks are written to disk. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>