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authordingdinghua <dingdinghua@nrchpc.ac.cn>2010-02-15 16:35:42 -0500
committerTheodore Ts'o <tytso@mit.edu>2010-02-15 16:35:42 -0500
commitba869023eac8354b17acdcff82b851ea8e7b1809 (patch)
treec461ae44ed5f9fc45573c14c74548f3f50109547 /fs/hugetlbfs
parentaca92ff6f57c000d1b4523e383c8bd6b8269b8b1 (diff)
jbd2: delay discarding buffers in journal_unmap_buffer
Delay discarding buffers in journal_unmap_buffer until we know that "add to orphan" operation has definitely been committed, otherwise the log space of committing transation may be freed and reused before truncate get committed, updates may get lost if crash happens. Signed-off-by: dingdinghua <dingdinghua@nrchpc.ac.cn> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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