diff options
| author | David Howells | 2022-03-09 11:01:12 +0000 |
|---|---|---|
| committer | David Howells | 2023-12-24 15:08:50 +0000 |
| commit | cc3cb0a18da46a51d9fc173155576ba1d068e536 (patch) | |
| tree | c730be5f687db46708a3c470eb11648bed7e13f6 /fs/netfs | |
| parent | 87b57a048964abfd5f3d8b79bc55687327f5a380 (diff) | |
netfs: Allow the netfs to make the io (sub)request alloc larger
Allow the network filesystem to specify extra space to be allocated on the
end of the io (sub)request. This allows cifs, for example, to use this
space rather than allocating its own cifs_readdata struct.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
cc: linux-cachefs@redhat.com
cc: linux-fsdevel@vger.kernel.org
cc: linux-mm@kvack.org
Diffstat (limited to 'fs/netfs')
| -rw-r--r-- | fs/netfs/objects.c | 7 |
1 files changed, 5 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); |