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authorChristoph Hellwig <hch@lst.de>2018-11-22 16:44:07 +0100
committerJens Axboe <axboe@kernel.dk>2018-12-04 09:39:06 -0700
commit154989e45fd8de9bfb52bbd6e5ea763e437e54c5 (patch)
treebdd6f554d244c0142238a7306a7eff0ccdfe0e7f /fs/aio.c
parent89d04ec3491bea6d69943b5aed62fdebfad49638 (diff)
downloadlwn-154989e45fd8de9bfb52bbd6e5ea763e437e54c5.tar.gz
lwn-154989e45fd8de9bfb52bbd6e5ea763e437e54c5.zip
aio: clear IOCB_HIPRI
No one is going to poll for aio (yet), so we must clear the HIPRI flag, as we would otherwise send it down the poll queues, where no one will be polling for completions. Signed-off-by: Christoph Hellwig <hch@lst.de> IOCB_HIPRI, not RWF_HIPRI. Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/aio.c')
-rw-r--r--fs/aio.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 205390c0c1bb..05647d352bf3 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1436,8 +1436,7 @@ static int aio_prep_rw(struct kiocb *req, struct iocb *iocb)
ret = ioprio_check_cap(iocb->aio_reqprio);
if (ret) {
pr_debug("aio ioprio check cap error: %d\n", ret);
- fput(req->ki_filp);
- return ret;
+ goto out_fput;
}
req->ki_ioprio = iocb->aio_reqprio;
@@ -1446,7 +1445,13 @@ static int aio_prep_rw(struct kiocb *req, struct iocb *iocb)
ret = kiocb_set_rw_flags(req, iocb->aio_rw_flags);
if (unlikely(ret))
- fput(req->ki_filp);
+ goto out_fput;
+
+ req->ki_flags &= ~IOCB_HIPRI; /* no one is going to poll for this I/O */
+ return 0;
+
+out_fput:
+ fput(req->ki_filp);
return ret;
}