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author | Chuck Lever <chuck.lever@oracle.com> | 2022-07-27 14:40:22 -0400 |
---|---|---|
committer | Chuck Lever <chuck.lever@oracle.com> | 2022-07-29 20:16:58 -0400 |
commit | 87689df694916c40e8e6c179ab1c8710f65cb6c6 (patch) | |
tree | cb09bdc849231bf3044bd81c7cd9f3850103b6cc /fs/nfsd | |
parent | 09426ef2a64ee189ca1e3298f1e874842dbf35ea (diff) | |
download | linux-stable-87689df694916c40e8e6c179ab1c8710f65cb6c6.tar.gz linux-stable-87689df694916c40e8e6c179ab1c8710f65cb6c6.tar.bz2 linux-stable-87689df694916c40e8e6c179ab1c8710f65cb6c6.zip |
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.c | 8 | ||||
-rw-r--r-- | fs/nfsd/nfs4xdr.c | 5 | ||||
-rw-r--r-- | fs/nfsd/xdr4.h | 2 |
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(©->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(©->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, ©->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 */ |