[PATCH v1 04/23] netfs: make ops->init_rreq() optional
From: Jeffle Xu <jefflexu@linux.alibaba.com>
Date: 2021-12-27 12:55:43
Also in:
lkml
Subsystem:
ceph distributed file system client (ceph), filesystems (vfs and infrastructure), filesystems [netfs library], the rest · Maintainers:
Ilya Dryomov, Alex Markuze, Viacheslav Dubeyko, Alexander Viro, Christian Brauner, David Howells, Paulo Alcantara, Linus Torvalds
There's already upper fs implementing empty .init_rreq() callback, and thus make it optional. Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com> --- fs/ceph/addr.c | 5 ----- fs/netfs/read_helper.c | 3 ++- 2 files changed, 2 insertions(+), 6 deletions(-)
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index b3d9459c9bbd..c98e5238a1b6 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c@@ -297,10 +297,6 @@ static void ceph_netfs_issue_op(struct netfs_read_subrequest *subreq) dout("%s: result %d\n", __func__, err); } -static void ceph_init_rreq(struct netfs_read_request *rreq, struct file *file) -{ -} - static void ceph_readahead_cleanup(struct address_space *mapping, void *priv) { struct inode *inode = mapping->host;
@@ -312,7 +308,6 @@ static void ceph_readahead_cleanup(struct address_space *mapping, void *priv) } static const struct netfs_read_request_ops ceph_netfs_read_ops = { - .init_rreq = ceph_init_rreq, .is_cache_enabled = ceph_is_cache_enabled, .begin_cache_operation = ceph_begin_cache_operation, .issue_op = ceph_netfs_issue_op,
diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c
index 1659a55e9c1c..8c58cff420ba 100644
--- a/fs/netfs/read_helper.c
+++ b/fs/netfs/read_helper.c@@ -55,7 +55,8 @@ static struct netfs_read_request *netfs_alloc_read_request( INIT_WORK(&rreq->work, netfs_rreq_work); refcount_set(&rreq->usage, 1); __set_bit(NETFS_RREQ_IN_PROGRESS, &rreq->flags); - ops->init_rreq(rreq, file); + if (ops->init_rreq) + ops->init_rreq(rreq, file); netfs_stat(&netfs_n_rh_rreq); }
--
2.27.0