aboutsummaryrefslogtreecommitdiff
path: root/fs/nfsd
diff options
context:
space:
mode:
authorChuck Lever2022-07-27 14:40:22 -0400
committerChuck Lever2022-07-29 20:16:58 -0400
commit87689df694916c40e8e6c179ab1c8710f65cb6c6 (patch)
treecb09bdc849231bf3044bd81c7cd9f3850103b6cc /fs/nfsd
parent09426ef2a64ee189ca1e3298f1e874842dbf35ea (diff)
NFSD: Shrink size of struct nfsd4_copy
struct nfsd4_copy is part of struct nfsd4_op, which resides in an 8-element array. sizeof(struct nfsd4_op): Before: /* size: 1696, cachelines: 27, members: 5 */ After: /* size: 672, cachelines: 11, members: 5 */ Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4proc.c8
-rw-r--r--fs/nfsd/nfs4xdr.c5
-rw-r--r--fs/nfsd/xdr4.h2
3 files changed, 11 insertions, 4 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 9090532c1f2c..d8621d008c13 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1289,6 +1289,7 @@ void nfs4_put_copy(struct nfsd4_copy *copy)
{
if (!refcount_dec_and_test(&copy->refcount))
return;
+ kfree(copy->cp_src);
kfree(copy);
}
@@ -1549,7 +1550,7 @@ nfsd4_setup_inter_ssc(struct svc_rqst *rqstp,
if (status)
goto out;
- status = nfsd4_interssc_connect(&copy->cp_src, rqstp, mount);
+ status = nfsd4_interssc_connect(copy->cp_src, rqstp, mount);
if (status)
goto out;
@@ -1761,7 +1762,7 @@ static void dup_copy_fields(struct nfsd4_copy *src, struct nfsd4_copy *dst)
dst->nf_src = nfsd_file_get(src->nf_src);
memcpy(&dst->cp_stateid, &src->cp_stateid, sizeof(src->cp_stateid));
- memcpy(&dst->cp_src, &src->cp_src, sizeof(struct nl4_server));
+ memcpy(dst->cp_src, src->cp_src, sizeof(struct nl4_server));
memcpy(&dst->stateid, &src->stateid, sizeof(src->stateid));
memcpy(&dst->c_fh, &src->c_fh, sizeof(src->c_fh));
dst->ss_mnt = src->ss_mnt;
@@ -1855,6 +1856,9 @@ nfsd4_copy(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
async_copy = kzalloc(sizeof(struct nfsd4_copy), GFP_KERNEL);
if (!async_copy)
goto out_err;
+ async_copy->cp_src = kmalloc(sizeof(*async_copy->cp_src), GFP_KERNEL);
+ if (!async_copy->cp_src)
+ goto out_err;
if (!nfs4_init_copy_state(nn, copy))
goto out_err;
refcount_set(&async_copy->refcount, 1);
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 06a9d7632552..90d3a1a302b4 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1920,6 +1920,9 @@ nfsd4_decode_copy(struct nfsd4_compoundargs *argp, struct nfsd4_copy *copy)
if (xdr_stream_decode_u32(argp->xdr, &count) < 0)
return nfserr_bad_xdr;
+ copy->cp_src = svcxdr_tmpalloc(argp, sizeof(*copy->cp_src));
+ if (copy->cp_src == NULL)
+ return nfserr_jukebox;
copy->cp_intra = false;
if (count == 0) { /* intra-server copy */
copy->cp_intra = true;
@@ -1927,7 +1930,7 @@ nfsd4_decode_copy(struct nfsd4_compoundargs *argp, struct nfsd4_copy *copy)
}
/* decode all the supplied server addresses but use only the first */
- status = nfsd4_decode_nl4_server(argp, &copy->cp_src);
+ status = nfsd4_decode_nl4_server(argp, copy->cp_src);
if (status)
return status;
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index f253fc3f4708..f5ad2939e6ee 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -540,7 +540,7 @@ struct nfsd4_copy {
u64 cp_src_pos;
u64 cp_dst_pos;
u64 cp_count;
- struct nl4_server cp_src;
+ struct nl4_server *cp_src;
bool cp_intra;
/* both */