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SUNRPC: Parametrize how much of argsize should be zeroed

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Currently, SUNRPC clears the whole of .pc_argsize before processing
each incoming RPC transaction. Add an extra parameter to struct
svc_procedure to enable upper layers to reduce the amount of each
operation's argument structure that is zeroed by SUNRPC.

The size of struct nfsd4_compoundargs, in particular, is a lot to
clear on each incoming RPC Call. A subsequent patch will cut this
down to something closer to what NFSv2 and NFSv3 uses.

This patch should cause no behavior changes.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2022-09-12 17:22:38 -04:00
parent 81593c4dff
commit 103cc1fafe
10 changed files with 101 additions and 1 deletions
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24
fs/lockd/svc4proc.c
View File

@ -521,6 +521,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_void),
.pc_argzero = sizeof(struct nlm_void),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "NULL",
@ -530,6 +531,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_testargs,
.pc_encode = nlm4svc_encode_testres,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St+2+No+Rg,
.pc_name = "TEST",
@ -539,6 +541,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_lockargs,
.pc_encode = nlm4svc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
.pc_name = "LOCK",
@ -548,6 +551,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_cancargs,
.pc_encode = nlm4svc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
.pc_name = "CANCEL",
@ -557,6 +561,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_unlockargs,
.pc_encode = nlm4svc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
.pc_name = "UNLOCK",
@ -566,6 +571,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_testargs,
.pc_encode = nlm4svc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
.pc_name = "GRANTED",
@ -575,6 +581,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_testargs,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "TEST_MSG",
@ -584,6 +591,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_lockargs,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "LOCK_MSG",
@ -593,6 +601,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_cancargs,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "CANCEL_MSG",
@ -602,6 +611,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_unlockargs,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "UNLOCK_MSG",
@ -611,6 +621,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_testargs,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "GRANTED_MSG",
@ -620,6 +631,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_argzero = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "TEST_RES",
@ -629,6 +641,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_argzero = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "LOCK_RES",
@ -638,6 +651,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_argzero = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "CANCEL_RES",
@ -647,6 +661,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_argzero = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "UNLOCK_RES",
@ -656,6 +671,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_res,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_argzero = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "GRANTED_RES",
@ -665,6 +681,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_reboot,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_reboot),
.pc_argzero = sizeof(struct nlm_reboot),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "SM_NOTIFY",
@ -674,6 +691,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_void),
.pc_argzero = sizeof(struct nlm_void),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = 0,
.pc_name = "UNUSED",
@ -683,6 +701,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_void),
.pc_argzero = sizeof(struct nlm_void),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = 0,
.pc_name = "UNUSED",
@ -692,6 +711,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_void),
.pc_argzero = sizeof(struct nlm_void),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = 0,
.pc_name = "UNUSED",
@ -701,6 +721,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_shareargs,
.pc_encode = nlm4svc_encode_shareres,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St+1,
.pc_name = "SHARE",
@ -710,6 +731,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_shareargs,
.pc_encode = nlm4svc_encode_shareres,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St+1,
.pc_name = "UNSHARE",
@ -719,6 +741,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_lockargs,
.pc_encode = nlm4svc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
.pc_name = "NM_LOCK",
@ -728,6 +751,7 @@ const struct svc_procedure nlmsvc_procedures4[24] = {
.pc_decode = nlm4svc_decode_notify,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "FREE_ALL",

24
fs/lockd/svcproc.c
View File

@ -555,6 +555,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_void,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_void),
.pc_argzero = sizeof(struct nlm_void),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "NULL",
@ -564,6 +565,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_testargs,
.pc_encode = nlmsvc_encode_testres,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St+2+No+Rg,
.pc_name = "TEST",
@ -573,6 +575,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_lockargs,
.pc_encode = nlmsvc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
.pc_name = "LOCK",
@ -582,6 +585,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_cancargs,
.pc_encode = nlmsvc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
.pc_name = "CANCEL",
@ -591,6 +595,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_unlockargs,
.pc_encode = nlmsvc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
.pc_name = "UNLOCK",
@ -600,6 +605,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_testargs,
.pc_encode = nlmsvc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
.pc_name = "GRANTED",
@ -609,6 +615,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_testargs,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "TEST_MSG",
@ -618,6 +625,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_lockargs,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "LOCK_MSG",
@ -627,6 +635,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_cancargs,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "CANCEL_MSG",
@ -636,6 +645,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_unlockargs,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "UNLOCK_MSG",
@ -645,6 +655,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_testargs,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "GRANTED_MSG",
@ -654,6 +665,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_void,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_argzero = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "TEST_RES",
@ -663,6 +675,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_void,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_argzero = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "LOCK_RES",
@ -672,6 +685,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_void,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_argzero = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "CANCEL_RES",
@ -681,6 +695,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_void,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_argzero = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "UNLOCK_RES",
@ -690,6 +705,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_res,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_argzero = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "GRANTED_RES",
@ -699,6 +715,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_reboot,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_reboot),
.pc_argzero = sizeof(struct nlm_reboot),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "SM_NOTIFY",
@ -708,6 +725,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_void,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_void),
.pc_argzero = sizeof(struct nlm_void),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "UNUSED",
@ -717,6 +735,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_void,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_void),
.pc_argzero = sizeof(struct nlm_void),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "UNUSED",
@ -726,6 +745,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_void,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_void),
.pc_argzero = sizeof(struct nlm_void),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
.pc_name = "UNUSED",
@ -735,6 +755,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_shareargs,
.pc_encode = nlmsvc_encode_shareres,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St+1,
.pc_name = "SHARE",
@ -744,6 +765,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_shareargs,
.pc_encode = nlmsvc_encode_shareres,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St+1,
.pc_name = "UNSHARE",
@ -753,6 +775,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_lockargs,
.pc_encode = nlmsvc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
.pc_name = "NM_LOCK",
@ -762,6 +785,7 @@ const struct svc_procedure nlmsvc_procedures[24] = {
.pc_decode = nlmsvc_decode_notify,
.pc_encode = nlmsvc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_argzero = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = 0,
.pc_name = "FREE_ALL",

1
fs/nfs/callback_xdr.c
View File

@ -1065,6 +1065,7 @@ static const struct svc_procedure nfs4_callback_procedures1[] = {
.pc_func = nfs4_callback_compound,
.pc_encode = nfs4_encode_void,
.pc_argsize = 256,
.pc_argzero = 256,
.pc_ressize = 256,
.pc_xdrressize = NFS4_CALLBACK_BUFSIZE,
.pc_name = "COMPOUND",

5
fs/nfsd/nfs2acl.c
View File

@ -331,6 +331,7 @@ static const struct svc_procedure nfsd_acl_procedures2[5] = {
.pc_decode = nfssvc_decode_voidarg,
.pc_encode = nfssvc_encode_voidres,
.pc_argsize = sizeof(struct nfsd_voidargs),
.pc_argzero = sizeof(struct nfsd_voidargs),
.pc_ressize = sizeof(struct nfsd_voidres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST,
@ -342,6 +343,7 @@ static const struct svc_procedure nfsd_acl_procedures2[5] = {
.pc_encode = nfsaclsvc_encode_getaclres,
.pc_release = nfsaclsvc_release_getacl,
.pc_argsize = sizeof(struct nfsd3_getaclargs),
.pc_argzero = sizeof(struct nfsd3_getaclargs),
.pc_ressize = sizeof(struct nfsd3_getaclres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+1+2*(1+ACL),
@ -353,6 +355,7 @@ static const struct svc_procedure nfsd_acl_procedures2[5] = {
.pc_encode = nfssvc_encode_attrstatres,
.pc_release = nfssvc_release_attrstat,
.pc_argsize = sizeof(struct nfsd3_setaclargs),
.pc_argzero = sizeof(struct nfsd3_setaclargs),
.pc_ressize = sizeof(struct nfsd_attrstat),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+AT,
@ -364,6 +367,7 @@ static const struct svc_procedure nfsd_acl_procedures2[5] = {
.pc_encode = nfssvc_encode_attrstatres,
.pc_release = nfssvc_release_attrstat,
.pc_argsize = sizeof(struct nfsd_fhandle),
.pc_argzero = sizeof(struct nfsd_fhandle),
.pc_ressize = sizeof(struct nfsd_attrstat),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+AT,
@ -375,6 +379,7 @@ static const struct svc_procedure nfsd_acl_procedures2[5] = {
.pc_encode = nfsaclsvc_encode_accessres,
.pc_release = nfsaclsvc_release_access,
.pc_argsize = sizeof(struct nfsd3_accessargs),
.pc_argzero = sizeof(struct nfsd3_accessargs),
.pc_ressize = sizeof(struct nfsd3_accessres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+AT+1,

3
fs/nfsd/nfs3acl.c
View File

@ -252,6 +252,7 @@ static const struct svc_procedure nfsd_acl_procedures3[3] = {
.pc_decode = nfssvc_decode_voidarg,
.pc_encode = nfssvc_encode_voidres,
.pc_argsize = sizeof(struct nfsd_voidargs),
.pc_argzero = sizeof(struct nfsd_voidargs),
.pc_ressize = sizeof(struct nfsd_voidres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST,
@ -263,6 +264,7 @@ static const struct svc_procedure nfsd_acl_procedures3[3] = {
.pc_encode = nfs3svc_encode_getaclres,
.pc_release = nfs3svc_release_getacl,
.pc_argsize = sizeof(struct nfsd3_getaclargs),
.pc_argzero = sizeof(struct nfsd3_getaclargs),
.pc_ressize = sizeof(struct nfsd3_getaclres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+1+2*(1+ACL),
@ -274,6 +276,7 @@ static const struct svc_procedure nfsd_acl_procedures3[3] = {
.pc_encode = nfs3svc_encode_setaclres,
.pc_release = nfs3svc_release_fhandle,
.pc_argsize = sizeof(struct nfsd3_setaclargs),
.pc_argzero = sizeof(struct nfsd3_setaclargs),
.pc_ressize = sizeof(struct nfsd3_attrstat),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+pAT,

22
fs/nfsd/nfs3proc.c
View File

@ -809,6 +809,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_decode = nfssvc_decode_voidarg,
.pc_encode = nfssvc_encode_voidres,
.pc_argsize = sizeof(struct nfsd_voidargs),
.pc_argzero = sizeof(struct nfsd_voidargs),
.pc_ressize = sizeof(struct nfsd_voidres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST,
@ -820,6 +821,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_getattrres,
.pc_release = nfs3svc_release_fhandle,
.pc_argsize = sizeof(struct nfsd_fhandle),
.pc_argzero = sizeof(struct nfsd_fhandle),
.pc_ressize = sizeof(struct nfsd3_attrstatres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+AT,
@ -831,6 +833,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_wccstatres,
.pc_release = nfs3svc_release_fhandle,
.pc_argsize = sizeof(struct nfsd3_sattrargs),
.pc_argzero = sizeof(struct nfsd3_sattrargs),
.pc_ressize = sizeof(struct nfsd3_wccstatres),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+WC,
@ -842,6 +845,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_lookupres,
.pc_release = nfs3svc_release_fhandle2,
.pc_argsize = sizeof(struct nfsd3_diropargs),
.pc_argzero = sizeof(struct nfsd3_diropargs),
.pc_ressize = sizeof(struct nfsd3_diropres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+FH+pAT+pAT,
@ -853,6 +857,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_accessres,
.pc_release = nfs3svc_release_fhandle,
.pc_argsize = sizeof(struct nfsd3_accessargs),
.pc_argzero = sizeof(struct nfsd3_accessargs),
.pc_ressize = sizeof(struct nfsd3_accessres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+pAT+1,
@ -864,6 +869,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_readlinkres,
.pc_release = nfs3svc_release_fhandle,
.pc_argsize = sizeof(struct nfsd_fhandle),
.pc_argzero = sizeof(struct nfsd_fhandle),
.pc_ressize = sizeof(struct nfsd3_readlinkres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+pAT+1+NFS3_MAXPATHLEN/4,
@ -875,6 +881,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_readres,
.pc_release = nfs3svc_release_fhandle,
.pc_argsize = sizeof(struct nfsd3_readargs),
.pc_argzero = sizeof(struct nfsd3_readargs),
.pc_ressize = sizeof(struct nfsd3_readres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+pAT+4+NFSSVC_MAXBLKSIZE/4,
@ -886,6 +893,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_writeres,
.pc_release = nfs3svc_release_fhandle,
.pc_argsize = sizeof(struct nfsd3_writeargs),
.pc_argzero = sizeof(struct nfsd3_writeargs),
.pc_ressize = sizeof(struct nfsd3_writeres),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+WC+4,
@ -897,6 +905,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_createres,
.pc_release = nfs3svc_release_fhandle2,
.pc_argsize = sizeof(struct nfsd3_createargs),
.pc_argzero = sizeof(struct nfsd3_createargs),
.pc_ressize = sizeof(struct nfsd3_createres),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+(1+FH+pAT)+WC,
@ -908,6 +917,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_createres,
.pc_release = nfs3svc_release_fhandle2,
.pc_argsize = sizeof(struct nfsd3_mkdirargs),
.pc_argzero = sizeof(struct nfsd3_mkdirargs),
.pc_ressize = sizeof(struct nfsd3_createres),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+(1+FH+pAT)+WC,
@ -919,6 +929,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_createres,
.pc_release = nfs3svc_release_fhandle2,
.pc_argsize = sizeof(struct nfsd3_symlinkargs),
.pc_argzero = sizeof(struct nfsd3_symlinkargs),
.pc_ressize = sizeof(struct nfsd3_createres),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+(1+FH+pAT)+WC,
@ -930,6 +941,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_createres,
.pc_release = nfs3svc_release_fhandle2,
.pc_argsize = sizeof(struct nfsd3_mknodargs),
.pc_argzero = sizeof(struct nfsd3_mknodargs),
.pc_ressize = sizeof(struct nfsd3_createres),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+(1+FH+pAT)+WC,
@ -941,6 +953,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_wccstatres,
.pc_release = nfs3svc_release_fhandle,
.pc_argsize = sizeof(struct nfsd3_diropargs),
.pc_argzero = sizeof(struct nfsd3_diropargs),
.pc_ressize = sizeof(struct nfsd3_wccstatres),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+WC,
@ -952,6 +965,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_wccstatres,
.pc_release = nfs3svc_release_fhandle,
.pc_argsize = sizeof(struct nfsd3_diropargs),
.pc_argzero = sizeof(struct nfsd3_diropargs),
.pc_ressize = sizeof(struct nfsd3_wccstatres),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+WC,
@ -963,6 +977,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_renameres,
.pc_release = nfs3svc_release_fhandle2,
.pc_argsize = sizeof(struct nfsd3_renameargs),
.pc_argzero = sizeof(struct nfsd3_renameargs),
.pc_ressize = sizeof(struct nfsd3_renameres),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+WC+WC,
@ -974,6 +989,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_linkres,
.pc_release = nfs3svc_release_fhandle2,
.pc_argsize = sizeof(struct nfsd3_linkargs),
.pc_argzero = sizeof(struct nfsd3_linkargs),
.pc_ressize = sizeof(struct nfsd3_linkres),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+pAT+WC,
@ -985,6 +1001,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_readdirres,
.pc_release = nfs3svc_release_fhandle,
.pc_argsize = sizeof(struct nfsd3_readdirargs),
.pc_argzero = sizeof(struct nfsd3_readdirargs),
.pc_ressize = sizeof(struct nfsd3_readdirres),
.pc_cachetype = RC_NOCACHE,
.pc_name = "READDIR",
@ -995,6 +1012,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_readdirres,
.pc_release = nfs3svc_release_fhandle,
.pc_argsize = sizeof(struct nfsd3_readdirplusargs),
.pc_argzero = sizeof(struct nfsd3_readdirplusargs),
.pc_ressize = sizeof(struct nfsd3_readdirres),
.pc_cachetype = RC_NOCACHE,
.pc_name = "READDIRPLUS",
@ -1004,6 +1022,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_decode = nfs3svc_decode_fhandleargs,
.pc_encode = nfs3svc_encode_fsstatres,
.pc_argsize = sizeof(struct nfsd3_fhandleargs),
.pc_argzero = sizeof(struct nfsd3_fhandleargs),
.pc_ressize = sizeof(struct nfsd3_fsstatres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+pAT+2*6+1,
@ -1014,6 +1033,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_decode = nfs3svc_decode_fhandleargs,
.pc_encode = nfs3svc_encode_fsinfores,
.pc_argsize = sizeof(struct nfsd3_fhandleargs),
.pc_argzero = sizeof(struct nfsd3_fhandleargs),
.pc_ressize = sizeof(struct nfsd3_fsinfores),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+pAT+12,
@ -1024,6 +1044,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_decode = nfs3svc_decode_fhandleargs,
.pc_encode = nfs3svc_encode_pathconfres,
.pc_argsize = sizeof(struct nfsd3_fhandleargs),
.pc_argzero = sizeof(struct nfsd3_fhandleargs),
.pc_ressize = sizeof(struct nfsd3_pathconfres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+pAT+6,
@ -1035,6 +1056,7 @@ static const struct svc_procedure nfsd_procedures3[22] = {
.pc_encode = nfs3svc_encode_commitres,
.pc_release = nfs3svc_release_fhandle,
.pc_argsize = sizeof(struct nfsd3_commitargs),
.pc_argzero = sizeof(struct nfsd3_commitargs),
.pc_ressize = sizeof(struct nfsd3_commitres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+WC+2,

2
fs/nfsd/nfs4proc.c
View File

@ -3585,6 +3585,7 @@ static const struct svc_procedure nfsd_procedures4[2] = {
.pc_decode = nfssvc_decode_voidarg,
.pc_encode = nfssvc_encode_voidres,
.pc_argsize = sizeof(struct nfsd_voidargs),
.pc_argzero = sizeof(struct nfsd_voidargs),
.pc_ressize = sizeof(struct nfsd_voidres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = 1,
@ -3595,6 +3596,7 @@ static const struct svc_procedure nfsd_procedures4[2] = {
.pc_decode = nfs4svc_decode_compoundargs,
.pc_encode = nfs4svc_encode_compoundres,
.pc_argsize = sizeof(struct nfsd4_compoundargs),
.pc_argzero = sizeof(struct nfsd4_compoundargs),
.pc_ressize = sizeof(struct nfsd4_compoundres),
.pc_release = nfsd4_release_compoundargs,
.pc_cachetype = RC_NOCACHE,

18
fs/nfsd/nfsproc.c
View File

@ -645,6 +645,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_decode = nfssvc_decode_voidarg,
.pc_encode = nfssvc_encode_voidres,
.pc_argsize = sizeof(struct nfsd_voidargs),
.pc_argzero = sizeof(struct nfsd_voidargs),
.pc_ressize = sizeof(struct nfsd_voidres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = 0,
@ -656,6 +657,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_encode = nfssvc_encode_attrstatres,
.pc_release = nfssvc_release_attrstat,
.pc_argsize = sizeof(struct nfsd_fhandle),
.pc_argzero = sizeof(struct nfsd_fhandle),
.pc_ressize = sizeof(struct nfsd_attrstat),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+AT,
@ -667,6 +669,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_encode = nfssvc_encode_attrstatres,
.pc_release = nfssvc_release_attrstat,
.pc_argsize = sizeof(struct nfsd_sattrargs),
.pc_argzero = sizeof(struct nfsd_sattrargs),
.pc_ressize = sizeof(struct nfsd_attrstat),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+AT,
@ -677,6 +680,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_decode = nfssvc_decode_voidarg,
.pc_encode = nfssvc_encode_voidres,
.pc_argsize = sizeof(struct nfsd_voidargs),
.pc_argzero = sizeof(struct nfsd_voidargs),
.pc_ressize = sizeof(struct nfsd_voidres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = 0,
@ -688,6 +692,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_encode = nfssvc_encode_diropres,
.pc_release = nfssvc_release_diropres,
.pc_argsize = sizeof(struct nfsd_diropargs),
.pc_argzero = sizeof(struct nfsd_diropargs),
.pc_ressize = sizeof(struct nfsd_diropres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+FH+AT,
@ -698,6 +703,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_decode = nfssvc_decode_fhandleargs,
.pc_encode = nfssvc_encode_readlinkres,
.pc_argsize = sizeof(struct nfsd_fhandle),
.pc_argzero = sizeof(struct nfsd_fhandle),
.pc_ressize = sizeof(struct nfsd_readlinkres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+1+NFS_MAXPATHLEN/4,
@ -709,6 +715,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_encode = nfssvc_encode_readres,
.pc_release = nfssvc_release_readres,
.pc_argsize = sizeof(struct nfsd_readargs),
.pc_argzero = sizeof(struct nfsd_readargs),
.pc_ressize = sizeof(struct nfsd_readres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+AT+1+NFSSVC_MAXBLKSIZE_V2/4,
@ -719,6 +726,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_decode = nfssvc_decode_voidarg,
.pc_encode = nfssvc_encode_voidres,
.pc_argsize = sizeof(struct nfsd_voidargs),
.pc_argzero = sizeof(struct nfsd_voidargs),
.pc_ressize = sizeof(struct nfsd_voidres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = 0,
@ -730,6 +738,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_encode = nfssvc_encode_attrstatres,
.pc_release = nfssvc_release_attrstat,
.pc_argsize = sizeof(struct nfsd_writeargs),
.pc_argzero = sizeof(struct nfsd_writeargs),
.pc_ressize = sizeof(struct nfsd_attrstat),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+AT,
@ -741,6 +750,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_encode = nfssvc_encode_diropres,
.pc_release = nfssvc_release_diropres,
.pc_argsize = sizeof(struct nfsd_createargs),
.pc_argzero = sizeof(struct nfsd_createargs),
.pc_ressize = sizeof(struct nfsd_diropres),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+FH+AT,
@ -751,6 +761,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_decode = nfssvc_decode_diropargs,
.pc_encode = nfssvc_encode_statres,
.pc_argsize = sizeof(struct nfsd_diropargs),
.pc_argzero = sizeof(struct nfsd_diropargs),
.pc_ressize = sizeof(struct nfsd_stat),
.pc_cachetype = RC_REPLSTAT,
.pc_xdrressize = ST,
@ -761,6 +772,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_decode = nfssvc_decode_renameargs,
.pc_encode = nfssvc_encode_statres,
.pc_argsize = sizeof(struct nfsd_renameargs),
.pc_argzero = sizeof(struct nfsd_renameargs),
.pc_ressize = sizeof(struct nfsd_stat),
.pc_cachetype = RC_REPLSTAT,
.pc_xdrressize = ST,
@ -771,6 +783,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_decode = nfssvc_decode_linkargs,
.pc_encode = nfssvc_encode_statres,
.pc_argsize = sizeof(struct nfsd_linkargs),
.pc_argzero = sizeof(struct nfsd_linkargs),
.pc_ressize = sizeof(struct nfsd_stat),
.pc_cachetype = RC_REPLSTAT,
.pc_xdrressize = ST,
@ -781,6 +794,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_decode = nfssvc_decode_symlinkargs,
.pc_encode = nfssvc_encode_statres,
.pc_argsize = sizeof(struct nfsd_symlinkargs),
.pc_argzero = sizeof(struct nfsd_symlinkargs),
.pc_ressize = sizeof(struct nfsd_stat),
.pc_cachetype = RC_REPLSTAT,
.pc_xdrressize = ST,
@ -792,6 +806,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_encode = nfssvc_encode_diropres,
.pc_release = nfssvc_release_diropres,
.pc_argsize = sizeof(struct nfsd_createargs),
.pc_argzero = sizeof(struct nfsd_createargs),
.pc_ressize = sizeof(struct nfsd_diropres),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+FH+AT,
@ -802,6 +817,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_decode = nfssvc_decode_diropargs,
.pc_encode = nfssvc_encode_statres,
.pc_argsize = sizeof(struct nfsd_diropargs),
.pc_argzero = sizeof(struct nfsd_diropargs),
.pc_ressize = sizeof(struct nfsd_stat),
.pc_cachetype = RC_REPLSTAT,
.pc_xdrressize = ST,
@ -812,6 +828,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_decode = nfssvc_decode_readdirargs,
.pc_encode = nfssvc_encode_readdirres,
.pc_argsize = sizeof(struct nfsd_readdirargs),
.pc_argzero = sizeof(struct nfsd_readdirargs),
.pc_ressize = sizeof(struct nfsd_readdirres),
.pc_cachetype = RC_NOCACHE,
.pc_name = "READDIR",
@ -821,6 +838,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
.pc_decode = nfssvc_decode_fhandleargs,
.pc_encode = nfssvc_encode_statfsres,
.pc_argsize = sizeof(struct nfsd_fhandle),
.pc_argzero = sizeof(struct nfsd_fhandle),
.pc_ressize = sizeof(struct nfsd_statfsres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+5,

1
include/linux/sunrpc/svc.h
View File

@ -472,6 +472,7 @@ struct svc_procedure {
/* XDR free result: */
void (*pc_release)(struct svc_rqst *);
unsigned int pc_argsize; /* argument struct size */
unsigned int pc_argzero; /* how much of argument to clear */
unsigned int pc_ressize; /* result struct size */
unsigned int pc_cachetype; /* cache info (NFS) */
unsigned int pc_xdrressize; /* maximum size of XDR reply */

2
net/sunrpc/svc.c
View File

@ -1205,7 +1205,7 @@ svc_generic_init_request(struct svc_rqst *rqstp,
goto err_bad_proc;
/* Initialize storage for argp and resp */
memset(rqstp->rq_argp, 0, procp->pc_argsize);
memset(rqstp->rq_argp, 0, procp->pc_argzero);
memset(rqstp->rq_resp, 0, procp->pc_ressize);
/* Bump per-procedure stats counter */