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Diffstat (limited to 'drivers/vhost')
-rw-r--r--drivers/vhost/net.c2
-rw-r--r--drivers/vhost/scsi.c11
-rw-r--r--drivers/vhost/test.c2
-rw-r--r--drivers/vhost/vhost.c68
-rw-r--r--drivers/vhost/vhost.h9
-rw-r--r--drivers/vhost/vsock.c2
6 files changed, 25 insertions, 69 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 9c3f8160ef24..c613d2e3d371 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -1015,7 +1015,7 @@ static int vhost_net_release(struct inode *inode, struct file *f)
vhost_net_stop(n, &tx_sock, &rx_sock);
vhost_net_flush(n);
vhost_dev_stop(&n->dev);
- vhost_dev_cleanup(&n->dev, false);
+ vhost_dev_cleanup(&n->dev);
vhost_net_vq_reset(n);
if (tx_sock)
sockfd_put(tx_sock);
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 71517b3c5558..7ad57094d736 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -586,8 +586,7 @@ vhost_scsi_get_tag(struct vhost_virtqueue *vq, struct vhost_scsi_tpg *tpg,
sg = cmd->tvc_sgl;
prot_sg = cmd->tvc_prot_sgl;
pages = cmd->tvc_upages;
- memset(cmd, 0, sizeof(struct vhost_scsi_cmd));
-
+ memset(cmd, 0, sizeof(*cmd));
cmd->tvc_sgl = sg;
cmd->tvc_prot_sgl = prot_sg;
cmd->tvc_upages = pages;
@@ -1420,7 +1419,7 @@ static int vhost_scsi_release(struct inode *inode, struct file *f)
mutex_unlock(&vs->dev.mutex);
vhost_scsi_clear_endpoint(vs, &t);
vhost_dev_stop(&vs->dev);
- vhost_dev_cleanup(&vs->dev, false);
+ vhost_dev_cleanup(&vs->dev);
/* Jobs can re-queue themselves in evt kick handler. Do extra flush. */
vhost_scsi_flush(vs);
kfree(vs->dev.vqs);
@@ -1725,7 +1724,7 @@ static int vhost_scsi_make_nexus(struct vhost_scsi_tpg *tpg,
return -EEXIST;
}
- tv_nexus = kzalloc(sizeof(struct vhost_scsi_nexus), GFP_KERNEL);
+ tv_nexus = kzalloc(sizeof(*tv_nexus), GFP_KERNEL);
if (!tv_nexus) {
mutex_unlock(&tpg->tv_tpg_mutex);
pr_err("Unable to allocate struct vhost_scsi_nexus\n");
@@ -1926,7 +1925,7 @@ vhost_scsi_make_tpg(struct se_wwn *wwn,
if (kstrtou16(name + 5, 10, &tpgt) || tpgt >= VHOST_SCSI_MAX_TARGET)
return ERR_PTR(-EINVAL);
- tpg = kzalloc(sizeof(struct vhost_scsi_tpg), GFP_KERNEL);
+ tpg = kzalloc(sizeof(*tpg), GFP_KERNEL);
if (!tpg) {
pr_err("Unable to allocate struct vhost_scsi_tpg");
return ERR_PTR(-ENOMEM);
@@ -1980,7 +1979,7 @@ vhost_scsi_make_tport(struct target_fabric_configfs *tf,
/* if (vhost_scsi_parse_wwn(name, &wwpn, 1) < 0)
return ERR_PTR(-EINVAL); */
- tport = kzalloc(sizeof(struct vhost_scsi_tport), GFP_KERNEL);
+ tport = kzalloc(sizeof(*tport), GFP_KERNEL);
if (!tport) {
pr_err("Unable to allocate struct vhost_scsi_tport");
return ERR_PTR(-ENOMEM);
diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c
index 3cc98c07dcd3..906b8f0f19f7 100644
--- a/drivers/vhost/test.c
+++ b/drivers/vhost/test.c
@@ -157,7 +157,7 @@ static int vhost_test_release(struct inode *inode, struct file *f)
vhost_test_stop(n, &private);
vhost_test_flush(n);
- vhost_dev_cleanup(&n->dev, false);
+ vhost_dev_cleanup(&n->dev);
/* We do an extra flush before freeing memory,
* since jobs can re-queue themselves. */
vhost_test_flush(n);
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 8d4374606756..2db5af8e8652 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -181,7 +181,6 @@ void vhost_work_init(struct vhost_work *work, vhost_work_fn_t fn)
{
clear_bit(VHOST_WORK_QUEUED, &work->flags);
work->fn = fn;
- init_waitqueue_head(&work->done);
}
EXPORT_SYMBOL_GPL(vhost_work_init);
@@ -319,10 +318,8 @@ static void vhost_vq_reset(struct vhost_dev *dev,
vq->acked_features = 0;
vq->log_base = NULL;
vq->error_ctx = NULL;
- vq->error = NULL;
vq->kick = NULL;
vq->call_ctx = NULL;
- vq->call = NULL;
vq->log_ctx = NULL;
vhost_reset_is_le(vq);
vhost_disable_cross_endian(vq);
@@ -422,7 +419,6 @@ void vhost_dev_init(struct vhost_dev *dev,
dev->nvqs = nvqs;
mutex_init(&dev->mutex);
dev->log_ctx = NULL;
- dev->log_file = NULL;
dev->umem = NULL;
dev->iotlb = NULL;
dev->mm = NULL;
@@ -544,7 +540,7 @@ void vhost_dev_reset_owner(struct vhost_dev *dev, struct vhost_umem *umem)
{
int i;
- vhost_dev_cleanup(dev, true);
+ vhost_dev_cleanup(dev);
/* Restore memory to default empty mapping. */
INIT_LIST_HEAD(&umem->umem_list);
@@ -611,31 +607,23 @@ static void vhost_clear_msg(struct vhost_dev *dev)
spin_unlock(&dev->iotlb_lock);
}
-/* Caller should have device mutex if and only if locked is set */
-void vhost_dev_cleanup(struct vhost_dev *dev, bool locked)
+void vhost_dev_cleanup(struct vhost_dev *dev)
{
int i;
for (i = 0; i < dev->nvqs; ++i) {
if (dev->vqs[i]->error_ctx)
eventfd_ctx_put(dev->vqs[i]->error_ctx);
- if (dev->vqs[i]->error)
- fput(dev->vqs[i]->error);
if (dev->vqs[i]->kick)
fput(dev->vqs[i]->kick);
if (dev->vqs[i]->call_ctx)
eventfd_ctx_put(dev->vqs[i]->call_ctx);
- if (dev->vqs[i]->call)
- fput(dev->vqs[i]->call);
vhost_vq_reset(dev, dev->vqs[i]);
}
vhost_dev_free_iovecs(dev);
if (dev->log_ctx)
eventfd_ctx_put(dev->log_ctx);
dev->log_ctx = NULL;
- if (dev->log_file)
- fput(dev->log_file);
- dev->log_file = NULL;
/* No one will access memory at this point */
vhost_umem_clean(dev->umem);
dev->umem = NULL;
@@ -1492,38 +1480,24 @@ long vhost_vring_ioctl(struct vhost_dev *d, int ioctl, void __user *argp)
r = -EFAULT;
break;
}
- eventfp = f.fd == -1 ? NULL : eventfd_fget(f.fd);
- if (IS_ERR(eventfp)) {
- r = PTR_ERR(eventfp);
+ ctx = f.fd == -1 ? NULL : eventfd_ctx_fdget(f.fd);
+ if (IS_ERR(ctx)) {
+ r = PTR_ERR(ctx);
break;
}
- if (eventfp != vq->call) {
- filep = vq->call;
- ctx = vq->call_ctx;
- vq->call = eventfp;
- vq->call_ctx = eventfp ?
- eventfd_ctx_fileget(eventfp) : NULL;
- } else
- filep = eventfp;
+ swap(ctx, vq->call_ctx);
break;
case VHOST_SET_VRING_ERR:
if (copy_from_user(&f, argp, sizeof f)) {
r = -EFAULT;
break;
}
- eventfp = f.fd == -1 ? NULL : eventfd_fget(f.fd);
- if (IS_ERR(eventfp)) {
- r = PTR_ERR(eventfp);
+ ctx = f.fd == -1 ? NULL : eventfd_ctx_fdget(f.fd);
+ if (IS_ERR(ctx)) {
+ r = PTR_ERR(ctx);
break;
}
- if (eventfp != vq->error) {
- filep = vq->error;
- vq->error = eventfp;
- ctx = vq->error_ctx;
- vq->error_ctx = eventfp ?
- eventfd_ctx_fileget(eventfp) : NULL;
- } else
- filep = eventfp;
+ swap(ctx, vq->error_ctx);
break;
case VHOST_SET_VRING_ENDIAN:
r = vhost_set_vring_endian(vq, argp);
@@ -1551,7 +1525,7 @@ long vhost_vring_ioctl(struct vhost_dev *d, int ioctl, void __user *argp)
if (pollstop && vq->handle_kick)
vhost_poll_stop(&vq->poll);
- if (ctx)
+ if (!IS_ERR_OR_NULL(ctx))
eventfd_ctx_put(ctx);
if (filep)
fput(filep);
@@ -1594,8 +1568,7 @@ EXPORT_SYMBOL_GPL(vhost_init_device_iotlb);
/* Caller must have device mutex */
long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
{
- struct file *eventfp, *filep = NULL;
- struct eventfd_ctx *ctx = NULL;
+ struct eventfd_ctx *ctx;
u64 p;
long r;
int i, fd;
@@ -1641,19 +1614,12 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
r = get_user(fd, (int __user *)argp);
if (r < 0)
break;
- eventfp = fd == -1 ? NULL : eventfd_fget(fd);
- if (IS_ERR(eventfp)) {
- r = PTR_ERR(eventfp);
+ ctx = fd == -1 ? NULL : eventfd_ctx_fdget(fd);
+ if (IS_ERR(ctx)) {
+ r = PTR_ERR(ctx);
break;
}
- if (eventfp != d->log_file) {
- filep = d->log_file;
- d->log_file = eventfp;
- ctx = d->log_ctx;
- d->log_ctx = eventfp ?
- eventfd_ctx_fileget(eventfp) : NULL;
- } else
- filep = eventfp;
+ swap(ctx, d->log_ctx);
for (i = 0; i < d->nvqs; ++i) {
mutex_lock(&d->vqs[i]->mutex);
d->vqs[i]->log_ctx = d->log_ctx;
@@ -1661,8 +1627,6 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
}
if (ctx)
eventfd_ctx_put(ctx);
- if (filep)
- fput(filep);
break;
default:
r = -ENOIOCTLCMD;
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 7876a3d7d1b3..ac4b6056f19a 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -20,10 +20,6 @@ typedef void (*vhost_work_fn_t)(struct vhost_work *work);
struct vhost_work {
struct llist_node node;
vhost_work_fn_t fn;
- wait_queue_head_t done;
- int flushing;
- unsigned queue_seq;
- unsigned done_seq;
unsigned long flags;
};
@@ -96,8 +92,6 @@ struct vhost_virtqueue {
struct vring_used __user *used;
const struct vhost_umem_node *meta_iotlb[VHOST_NUM_ADDRS];
struct file *kick;
- struct file *call;
- struct file *error;
struct eventfd_ctx *call_ctx;
struct eventfd_ctx *error_ctx;
struct eventfd_ctx *log_ctx;
@@ -163,7 +157,6 @@ struct vhost_dev {
struct mutex mutex;
struct vhost_virtqueue **vqs;
int nvqs;
- struct file *log_file;
struct eventfd_ctx *log_ctx;
struct llist_head work_list;
struct task_struct *worker;
@@ -181,7 +174,7 @@ bool vhost_dev_has_owner(struct vhost_dev *dev);
long vhost_dev_check_owner(struct vhost_dev *);
struct vhost_umem *vhost_dev_reset_owner_prepare(void);
void vhost_dev_reset_owner(struct vhost_dev *, struct vhost_umem *);
-void vhost_dev_cleanup(struct vhost_dev *, bool locked);
+void vhost_dev_cleanup(struct vhost_dev *);
void vhost_dev_stop(struct vhost_dev *);
long vhost_dev_ioctl(struct vhost_dev *, unsigned int ioctl, void __user *argp);
long vhost_vring_ioctl(struct vhost_dev *d, int ioctl, void __user *argp);
diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index 5a5e981bd8e4..0d14e2ff19f1 100644
--- a/drivers/vhost/vsock.c
+++ b/drivers/vhost/vsock.c
@@ -599,7 +599,7 @@ static int vhost_vsock_dev_release(struct inode *inode, struct file *file)
}
spin_unlock_bh(&vsock->send_pkt_list_lock);
- vhost_dev_cleanup(&vsock->dev, false);
+ vhost_dev_cleanup(&vsock->dev);
kfree(vsock->dev.vqs);
vhost_vsock_free(vsock);
return 0;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-13 01:21:06 +0300