mmap IO engine cannot extend a file
authorJens Axboe <jens.axboe@oracle.com>
Tue, 20 Feb 2007 18:49:57 +0000 (19:49 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Tue, 20 Feb 2007 18:49:57 +0000 (19:49 +0100)
We need to ftruncate it to the wanted size first, or the mmap
write will terminate with SIGBUS.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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