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Fix compilation of XDMA for RHEL 9 #247

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Fix compilation of XDMA for RHEL 9 #247

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28 changes: 24 additions & 4 deletions XDMA/linux-kernel/xdma/cdev_sgdma.c
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Original file line number Diff line number Diff line change
Expand Up @@ -104,13 +104,23 @@ static void async_io_handler(unsigned long cb_hndl, int err)
if (caio->cmpl_cnt == caio->req_cnt) {
res = caio->res;
res2 = caio->res2;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 16, 0)
#ifdef RHEL_RELEASE_VERSION
#if RHEL_RELEASE_VERSION(9, 0) < RHEL_RELEASE_CODE
caio->iocb->ki_complete(caio->iocb, caio->err_cnt ? res2 : res);
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)
#elif RHEL_RELEASE_VERSION(8, 0) < RHEL_RELEASE_CODE
caio->iocb->ki_complete(caio->iocb, res, res2);
#else
aio_complete(caio->iocb, res, res2);
#endif
#else
#if KERNEL_VERSION(5, 16, 0) <= LINUX_VERSION_CODE
caio->iocb->ki_complete(caio->iocb, caio->err_cnt ? res2 : res);
#elif KERNEL_VERSION(4, 1, 0) <= LINUX_VERSION_CODE
caio->iocb->ki_complete(caio->iocb, res, res2);
#else
aio_complete(caio->iocb, res, res2);
#endif
#endif
skip_tran:
spin_unlock(&caio->lock);
kmem_cache_free(cdev_cache, caio);
Expand All @@ -121,12 +131,22 @@ static void async_io_handler(unsigned long cb_hndl, int err)
return;

skip_dev_lock:
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 16, 0)
#ifdef RHEL_RELEASE_VERSION
#if RHEL_RELEASE_VERSION(9, 0) < RHEL_RELEASE_CODE
caio->iocb->ki_complete(caio->iocb, -EBUSY);
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)
#elif RHEL_RELEASE_VERSION(8, 0) < RHEL_RELEASE_CODE
caio->iocb->ki_complete(caio->iocb, numbytes, -EBUSY);
#else
aio_complete(caio->iocb, numbytes, -EBUSY);
#endif
#else
#if KERNEL_VERSION(5, 16, 0) <= LINUX_VERSION_CODE
caio->iocb->ki_complete(caio->iocb, -EBUSY);
#elif KERNEL_VERSION(4, 1, 0) <= LINUX_VERSION_CODE
caio->iocb->ki_complete(caio->iocb, numbytes, -EBUSY);
#else
aio_complete(caio->iocb, numbytes, -EBUSY);
#endif
#endif
kmem_cache_free(cdev_cache, caio);
}
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