aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--fs/netfs/objects.c7
-rw-r--r--include/linux/netfs.h2
2 files changed, 7 insertions, 2 deletions
diff --git a/fs/netfs/objects.c b/fs/netfs/objects.c
index 85f428fc52e6..c4229c5f3f54 100644
--- a/fs/netfs/objects.c
+++ b/fs/netfs/objects.c
@@ -22,7 +22,8 @@ struct netfs_io_request *netfs_alloc_request(struct address_space *mapping,
struct netfs_io_request *rreq;
int ret;
- rreq = kzalloc(sizeof(struct netfs_io_request), GFP_KERNEL);
+ rreq = kzalloc(ctx->ops->io_request_size ?: sizeof(struct netfs_io_request),
+ GFP_KERNEL);
if (!rreq)
return ERR_PTR(-ENOMEM);
@@ -114,7 +115,9 @@ struct netfs_io_subrequest *netfs_alloc_subrequest(struct netfs_io_request *rreq
{
struct netfs_io_subrequest *subreq;
- subreq = kzalloc(sizeof(struct netfs_io_subrequest), GFP_KERNEL);
+ subreq = kzalloc(rreq->netfs_ops->io_subrequest_size ?:
+ sizeof(struct netfs_io_subrequest),
+ GFP_KERNEL);
if (subreq) {
INIT_LIST_HEAD(&subreq->rreq_link);
refcount_set(&subreq->ref, 2);
diff --git a/include/linux/netfs.h b/include/linux/netfs.h
index 7244ddebd974..d6f27000eeb0 100644
--- a/include/linux/netfs.h
+++ b/include/linux/netfs.h
@@ -210,6 +210,8 @@ struct netfs_io_request {
* Operations the network filesystem can/must provide to the helpers.
*/
struct netfs_request_ops {
+ unsigned int io_request_size; /* Alloc size for netfs_io_request struct */
+ unsigned int io_subrequest_size; /* Alloc size for netfs_io_subrequest struct */
int (*init_request)(struct netfs_io_request *rreq, struct file *file);
void (*free_request)(struct netfs_io_request *rreq);