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authorJason Gunthorpe <jgg@mellanox.com>2018-11-25 20:51:18 +0200
committerJason Gunthorpe <jgg@mellanox.com>2018-11-26 16:48:07 -0700
commitef87df2c7a8f04d31cbf06f0b14b8dd5feafe473 (patch)
treee6926935a947d198c37ca33b6a877b6d8d97fed9 /include/rdma
parentda0f60df7bd5a045aa423ec64fe5d7e29ba803ff (diff)
RDMA/uverbs: Use uverbs_attr_bundle to pass udata for write_ex
The core code needs to compute the udata so we may as well pass it in the uverbs_attr_bundle instead of on the stack. This converts the simple case of write_ex() which already has a core calculation. Also change the write() path to use the attrs for ib_uverbs_init_udata() instead of on the stack. This lets the write to write_ex compatibility path continue to follow the lead of the _ex path. Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/uverbs_ioctl.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/rdma/uverbs_ioctl.h b/include/rdma/uverbs_ioctl.h
index 7bed0bb4211c..5fa8d63aa838 100644
--- a/include/rdma/uverbs_ioctl.h
+++ b/include/rdma/uverbs_ioctl.h
@@ -375,8 +375,7 @@ struct uapi_definition {
const char __user *buf, int in_len,
int out_len);
int (*func_write_ex)(struct uverbs_attr_bundle *attrs,
- struct ib_udata *ucore,
- struct ib_udata *uhw);
+ struct ib_udata *ucore);
const struct uapi_definition *chain;
const struct uverbs_object_def *chain_obj_tree;
size_t needs_fn_offset;
@@ -643,6 +642,7 @@ struct uverbs_attr {
};
struct uverbs_attr_bundle {
+ struct ib_udata driver_udata;
struct ib_uverbs_file *ufile;
DECLARE_BITMAP(attr_present, UVERBS_API_ATTR_BKEY_LEN);
struct uverbs_attr attrs[];