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bdev/aio: Fix EAGAIN handling.

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To test, build and run bdevperf against an arbitrary aio device with
queue depth of 512 or more.

Change-Id: I800a9ea529af9de22fddf50e1dafeefa2244122d
Signed-off-by: Andrey Kuzmin <andrey.v.kuzmin@gmail.com>
Reviewed-on: https://review.gerrithub.io/408709
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Andrey Kuzmin 2018-04-23 18:27:12 +03:00 committed by Daniel Verkamp
parent 2679d88a25
commit 55eb9617cf
1 changed files with 4 additions and 4 deletions
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8
lib/bdev/aio/bdev_aio.c
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@ -131,12 +131,12 @@ bdev_aio_readv(struct file_disk *fdisk, struct spdk_io_channel *ch,
rc = io_submit(aio_ch->io_ctx, 1, &iocb);
if (rc < 0) {
if (rc == EAGAIN) {
if (rc == -EAGAIN) {
spdk_bdev_io_complete(spdk_bdev_io_from_ctx(aio_task), SPDK_BDEV_IO_STATUS_NOMEM);
} else {
spdk_bdev_io_complete(spdk_bdev_io_from_ctx(aio_task), SPDK_BDEV_IO_STATUS_FAILED);
SPDK_ERRLOG("%s: io_submit returned %d\n", __func__, rc);
}
SPDK_ERRLOG("%s: io_submit returned %d\n", __func__, rc);
return -1;
}
aio_ch->io_inflight++;
@ -161,12 +161,12 @@ bdev_aio_writev(struct file_disk *fdisk, struct spdk_io_channel *ch,
rc = io_submit(aio_ch->io_ctx, 1, &iocb);
if (rc < 0) {
if (rc == EAGAIN) {
if (rc == -EAGAIN) {
spdk_bdev_io_complete(spdk_bdev_io_from_ctx(aio_task), SPDK_BDEV_IO_STATUS_NOMEM);
} else {
spdk_bdev_io_complete(spdk_bdev_io_from_ctx(aio_task), SPDK_BDEV_IO_STATUS_FAILED);
SPDK_ERRLOG("%s: io_submit returned %d\n", __func__, rc);
}
SPDK_ERRLOG("%s: io_submit returned %d\n", __func__, rc);
return -1;
}
aio_ch->io_inflight++;