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List: ceph-devel
Subject: [PATCH v2 39/51] netfs: Rearrange netfs_io_subrequest to put request pointer first
From: David Howells <dhowells () redhat ! com>
Date: 2023-11-17 21:15:31
Message-ID: 20231117211544.1740466-40-dhowells () redhat ! com
[Download RAW message or body]
Rearrange the netfs_io_subrequest struct to put the netfs_io_request
pointer (rreq) first. This then allows netfs_io_subrequest to be put in a
union with a pointer to a wrapper around netfs_io_request for cifs.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <sfrench@samba.org>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: linux-cachefs@redhat.com
cc: linux-fsdevel@vger.kernel.org
cc: linux-mm@kvack.org
---
include/linux/netfs.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/netfs.h b/include/linux/netfs.h
index 39f885fea383..7d9b61d21a70 100644
--- a/include/linux/netfs.h
+++ b/include/linux/netfs.h
@@ -209,8 +209,8 @@ struct netfs_cache_resources {
* the pages it points to can be relied on to exist for the duration.
*/
struct netfs_io_subrequest {
- struct work_struct work;
struct netfs_io_request *rreq; /* Supervising I/O request */
+ struct work_struct work;
struct list_head rreq_link; /* Link in rreq->subrequests */
struct iov_iter io_iter; /* Iterator for this subrequest */
loff_t start; /* Where to start the I/O */
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