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io_uring: get an active ref_node from files_data
authorPavel Begunkov <asml.silence@gmail.com>
Wed, 18 Nov 2020 14:56:25 +0000 (14:56 +0000)
committerJens Axboe <axboe@kernel.dk>
Wed, 18 Nov 2020 15:02:10 +0000 (08:02 -0700)
commit1e5d770bb8a23dd01e28e92f4fb0b1093c8bdbe6
tree2dbe3b19421145c45e65247731b4dc17a672531ctree
parentc993df5a688975bf9ce899706ca13d2bc8d6be25commit | diff
io_uring: get an active ref_node from files_data

An active ref_node always can be found in ctx->files_data, it's much
safer to get it this way instead of poking into files_data->ref_list.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Cc: stable@vger.kernel.org # v5.7+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
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