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(parent: fe9ec52) | patch
io_uring: don't re-setup vecs/iter in io_resumit_prep() is already there
authorJens Axboe <axboe@kernel.dk>
Mon, 14 Sep 2020 15:28:14 +0000 (09:28 -0600)
committerJens Axboe <axboe@kernel.dk>
Mon, 21 Sep 2020 13:50:54 +0000 (07:50 -0600)
commite93997cf04d296929aec391c59c295106d64dca8
tree2ab90bce49b10dd87a6e3b509ea6b48c5381b005tree | snapshot
parentfe9ec5214648b8a9acbf902fc71250df79f775dccommit | diff
io_uring: don't re-setup vecs/iter in io_resumit_prep() is already there

If we already have mapped the necessary data for retry, then don't set
it up again. It's a pointless operation, and we leak the iovec if it's
a large (non-stack) vec.

Fixes: 223801bcccf8 ("io_uring: re-issue block requests that failed because of resources")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
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