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| author | Christoph Hellwig <hch@lst.de> | 2018-07-24 12:36:37 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-08-06 11:24:28 +0300 |
| commit | 9018ccc453af063d16b3b6b5dfa2ad0635390371 (patch) | |
| tree | 5a1f3fea68ac2e1c2aabc0d1c42bf73b32785014 /ipc | |
| parent | 7dda712818373d4d8ecc5dca2293664fcd3b0158 (diff) | |
| download | linux-9018ccc453af063d16b3b6b5dfa2ad0635390371.tar.xz | |
aio: add a iocb refcount
This is needed to prevent races caused by the way the ->poll API works.
To avoid introducing overhead for other users of the iocbs we initialize
it to zero and only do refcount operations if it is non-zero in the
completion path.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Avi Kivity <avi@scylladb.com>
Diffstat (limited to 'ipc')
0 files changed, 0 insertions, 0 deletions