tree e9570b8beb9c4750199de7b40769546321a5eb93
parent 7d327a9ed6c4dca341ebf99012e0a6b80a3050e6
author Javier González <javier@cnexlabs.com> 1507898763 +0200
committer Jens Axboe <axboe@kernel.dk> 1507905297 -0600

lightnvm: pblk: free padded entries in write buffer

When a REQ_FLUSH reaches pblk, the bio cannot be directly completed.
Instead, data on the write buffer is flushed and the bio is completed on
the completion pah. This might require some sectors to be padded in
order to guarantee a successful write.

This patch fixes a memory leak on the padded pages. A consequence of
this bad free was that internal bios not containing data (only a flush)
were not being completed.

Fixes: a4bd217b4326 ("lightnvm: physical block device (pblk) target")
Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>