Add support for setting blocking and non-blocking mode on /dev/rdma_cm
by returning success on FIONBIO and FIOASYNC IOCTLs. The actual flags handling is done by the kern_ioctl() function. Reported by: Alex Bowden <alex.bowden@outlook.com> Sponsored by: Mellanox Technologies MFC after: 1 week
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commit
7dc445f8d3
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=304342
@ -42,6 +42,8 @@
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <sys/filio.h>
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#include <rdma/rdma_user_cm.h>
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#include <rdma/ib_marshall.h>
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#include <rdma/rdma_cm.h>
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@ -1345,11 +1347,25 @@ static int ucma_close(struct inode *inode, struct file *filp)
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return 0;
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}
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static long
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ucma_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
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{
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switch (cmd) {
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case FIONBIO:
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case FIOASYNC:
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return (0);
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default:
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return (-ENOTTY);
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}
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}
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static const struct file_operations ucma_fops = {
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.owner = THIS_MODULE,
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.open = ucma_open,
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.release = ucma_close,
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.write = ucma_write,
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.unlocked_ioctl = ucma_ioctl,
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.poll = ucma_poll,
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.llseek = no_llseek,
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};
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