This is a note to let you know that I've just added the patch titled
NFSD: Reorder the fields in struct nfsd4_op
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
nfsd-reorder-the-fields-in-struct-nfsd4_op.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a97dad57c0d6cbaf40852165c5157b1b63598aa1
Author: Chuck Lever <chuck.lever@xxxxxxxxxx>
Date: Wed Jul 27 14:40:28 2022 -0400
NFSD: Reorder the fields in struct nfsd4_op
[ Upstream commit d314309425ad5dc1b6facdb2d456580fb5fa5e3a ]
Pack the fields to reduce the size of struct nfsd4_op, which is used
an array in struct nfsd4_compoundargs.
sizeof(struct nfsd4_op):
Before: /* size: 672, cachelines: 11, members: 5 */
After: /* size: 640, cachelines: 10, members: 5 */
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index ed90843a55293..87b4270af59ef 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -606,8 +606,9 @@ struct nfsd4_copy_notify {
struct nfsd4_op {
u32 opnum;
- const struct nfsd4_operation * opdesc;
__be32 status;
+ const struct nfsd4_operation *opdesc;
+ struct nfs4_replay *replay;
union nfsd4_op_u {
struct nfsd4_access access;
struct nfsd4_close close;
@@ -671,7 +672,6 @@ struct nfsd4_op {
struct nfsd4_listxattrs listxattrs;
struct nfsd4_removexattr removexattr;
} u;
- struct nfs4_replay * replay;
};
bool nfsd4_cache_this_op(struct nfsd4_op *);
