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IB/core: Cut down single member ib_cache structure 

Given that ib_cache structure has only single member now, merge the cache
lock directly in the ib_device.

Link: https://lore.kernel.org/r/20191212113024.336702-4-leon@kernel.org
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Parav Pandit 2019-12-12 13:30:23 +02:00 коммит произвёл Jason Gunthorpe
Родитель 6b57cea922
Коммит 17e1064632
2 изменённых файлов: 17 добавлений и 20 удалений
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30
drivers/infiniband/core/cache.c
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@ -1033,7 +1033,7 @@ int ib_get_cached_pkey(struct ib_device *device,
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
read_lock_irqsave(&device->cache_lock, flags);
cache = device->port_data[port_num].cache.pkey;
@ -1042,7 +1042,7 @@ int ib_get_cached_pkey(struct ib_device *device,
else
*pkey = cache->table[index];
read_unlock_irqrestore(&device->cache.lock, flags);
read_unlock_irqrestore(&device->cache_lock, flags);
return ret;
}
@ -1057,9 +1057,9 @@ int ib_get_cached_subnet_prefix(struct ib_device *device,
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
read_lock_irqsave(&device->cache_lock, flags);
*sn_pfx = device->port_data[port_num].cache.subnet_prefix;
read_unlock_irqrestore(&device->cache.lock, flags);
read_unlock_irqrestore(&device->cache_lock, flags);
return 0;
}
@ -1079,7 +1079,7 @@ int ib_find_cached_pkey(struct ib_device *device,
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
read_lock_irqsave(&device->cache_lock, flags);
cache = device->port_data[port_num].cache.pkey;
@ -1100,7 +1100,7 @@ int ib_find_cached_pkey(struct ib_device *device,
ret = 0;
}
read_unlock_irqrestore(&device->cache.lock, flags);
read_unlock_irqrestore(&device->cache_lock, flags);
return ret;
}
@ -1119,7 +1119,7 @@ int ib_find_exact_cached_pkey(struct ib_device *device,
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
read_lock_irqsave(&device->cache_lock, flags);
cache = device->port_data[port_num].cache.pkey;
@ -1132,7 +1132,7 @@ int ib_find_exact_cached_pkey(struct ib_device *device,
break;
}
read_unlock_irqrestore(&device->cache.lock, flags);
read_unlock_irqrestore(&device->cache_lock, flags);
return ret;
}
@ -1148,9 +1148,9 @@ int ib_get_cached_lmc(struct ib_device *device,
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
read_lock_irqsave(&device->cache_lock, flags);
*lmc = device->port_data[port_num].cache.lmc;
read_unlock_irqrestore(&device->cache.lock, flags);
read_unlock_irqrestore(&device->cache_lock, flags);
return ret;
}
@ -1166,9 +1166,9 @@ int ib_get_cached_port_state(struct ib_device *device,
if (!rdma_is_port_valid(device, port_num))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
read_lock_irqsave(&device->cache_lock, flags);
*port_state = device->port_data[port_num].cache.port_state;
read_unlock_irqrestore(&device->cache.lock, flags);
read_unlock_irqrestore(&device->cache_lock, flags);
return ret;
}
@ -1428,7 +1428,7 @@ ib_cache_update(struct ib_device *device, u8 port, bool enforce_security)
}
}
write_lock_irq(&device->cache.lock);
write_lock_irq(&device->cache_lock);
old_pkey_cache = device->port_data[port].cache.pkey;
@ -1437,7 +1437,7 @@ ib_cache_update(struct ib_device *device, u8 port, bool enforce_security)
device->port_data[port].cache.port_state = tprops->state;
device->port_data[port].cache.subnet_prefix = tprops->subnet_prefix;
write_unlock_irq(&device->cache.lock);
write_unlock_irq(&device->cache_lock);
if (enforce_security)
ib_security_cache_change(device,
@ -1530,7 +1530,7 @@ int ib_cache_setup_one(struct ib_device *device)
unsigned int p;
int err;
rwlock_init(&device->cache.lock);
rwlock_init(&device->cache_lock);
err = gid_table_setup_one(device);
if (err)

7
include/rdma/ib_verbs.h
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@ -2152,10 +2152,6 @@ struct ib_port_cache {
enum ib_port_state port_state;
};
struct ib_cache {
rwlock_t lock;
};
struct ib_port_immutable {
int pkey_tbl_len;
int gid_tbl_len;
@ -2641,7 +2637,8 @@ struct ib_device {
struct xarray client_data;
struct mutex unregistration_lock;
struct ib_cache cache;
/* Synchronize GID, Pkey cache entries, subnet prefix, LMC */
rwlock_t cache_lock;
/**
* port_data is indexed by port number
*/