On Mon, Dec 20, 2010 at 02:32:17 +0000, Guillem Jover wrote: > * On Linux use sync_file_range() to initiate asynchronous writeback > of just unpacked files. Suggested by Ted Ts'o <[email protected]>. > Thanks to Jonathan Nieder <[email protected]>. Closes: #605009 > * On non-Linux use posix_fadvise(POSIX_FADV_DONTNEED) to notify the kernel > dpkg does not need the unpacked files any longer, and that it can start > writeback to be able to evict them from the cache at a later point.
You're ignoring the return value of sync_file_range (and posix_fadvise). While that may be ok for SYNC_FILE_RANGE_WRITE, I don't think it is for SYNC_FILE_RANGE_WAIT_BEFORE. Cheers, Julien
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