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Commit b9081d90 authored by Yu Zhiguo's avatar Yu Zhiguo Committed by J. Bruce Fields
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NFS: kill off complicated macro 'PROC' 

kill off obscure macro 'PROC' of NFSv2&3 in order to make the code more clear.

Among other things, this makes it simpler to grep for callers of these
functions--something which has frequently caused confusion among nfs
developers.
Signed-off-by: default avatarYu Zhiguo <yuzg@cn.fujitsu.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@citi.umich.edu>
parent 59fb3066
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Showing with 379 additions and 56 deletions
fs/nfsd/nfs3proc.c
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fs/nfsd/nfsproc.c
View file @ b9081d90
......@@ -533,45 +533,179 @@ nfsd_proc_statfs(struct svc_rqst * rqstp, struct nfsd_fhandle *argp,
* NFSv2 Server procedures.
* Only the results of non-idempotent operations are cached.
*/
#define nfsd_proc_none NULL
#define nfssvc_release_none NULL
struct nfsd_void { int dummy; };
#define PROC(name, argt, rest, relt, cache, respsize) \
{ (svc_procfunc) nfsd_proc_##name, \
(kxdrproc_t) nfssvc_decode_##argt, \
(kxdrproc_t) nfssvc_encode_##rest, \
(kxdrproc_t) nfssvc_release_##relt, \
sizeof(struct nfsd_##argt), \
sizeof(struct nfsd_##rest), \
0, \
cache, \
respsize, \
}
#define ST 1 /* status */
#define FH 8 /* filehandle */
#define AT 18 /* attributes */
static struct svc_procedure nfsd_procedures2[18] = {
PROC(null, void, void, none, RC_NOCACHE, ST),
PROC(getattr, fhandle, attrstat, fhandle, RC_NOCACHE, ST+AT),
PROC(setattr, sattrargs, attrstat, fhandle, RC_REPLBUFF, ST+AT),
PROC(none, void, void, none, RC_NOCACHE, ST),
PROC(lookup, diropargs, diropres, fhandle, RC_NOCACHE, ST+FH+AT),
PROC(readlink, readlinkargs, readlinkres, none, RC_NOCACHE, ST+1+NFS_MAXPATHLEN/4),
PROC(read, readargs, readres, fhandle, RC_NOCACHE, ST+AT+1+NFSSVC_MAXBLKSIZE_V2/4),
PROC(none, void, void, none, RC_NOCACHE, ST),
PROC(write, writeargs, attrstat, fhandle, RC_REPLBUFF, ST+AT),
PROC(create, createargs, diropres, fhandle, RC_REPLBUFF, ST+FH+AT),
PROC(remove, diropargs, void, none, RC_REPLSTAT, ST),
PROC(rename, renameargs, void, none, RC_REPLSTAT, ST),
PROC(link, linkargs, void, none, RC_REPLSTAT, ST),
PROC(symlink, symlinkargs, void, none, RC_REPLSTAT, ST),
PROC(mkdir, createargs, diropres, fhandle, RC_REPLBUFF, ST+FH+AT),
PROC(rmdir, diropargs, void, none, RC_REPLSTAT, ST),
PROC(readdir, readdirargs, readdirres, none, RC_NOCACHE, 0),
PROC(statfs, fhandle, statfsres, none, RC_NOCACHE, ST+5),
[NFSPROC_NULL] = {
.pc_func = (svc_procfunc) nfsd_proc_null,
.pc_decode = (kxdrproc_t) nfssvc_decode_void,
.pc_encode = (kxdrproc_t) nfssvc_encode_void,
.pc_argsize = sizeof(struct nfsd_void),
.pc_ressize = sizeof(struct nfsd_void),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST,
},
[NFSPROC_GETATTR] = {
.pc_func = (svc_procfunc) nfsd_proc_getattr,
.pc_decode = (kxdrproc_t) nfssvc_decode_fhandle,
.pc_encode = (kxdrproc_t) nfssvc_encode_attrstat,
.pc_release = (kxdrproc_t) nfssvc_release_fhandle,
.pc_argsize = sizeof(struct nfsd_fhandle),
.pc_ressize = sizeof(struct nfsd_attrstat),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+AT,
},
[NFSPROC_SETATTR] = {
.pc_func = (svc_procfunc) nfsd_proc_setattr,
.pc_decode = (kxdrproc_t) nfssvc_decode_sattrargs,
.pc_encode = (kxdrproc_t) nfssvc_encode_attrstat,
.pc_release = (kxdrproc_t) nfssvc_release_fhandle,
.pc_argsize = sizeof(struct nfsd_sattrargs),
.pc_ressize = sizeof(struct nfsd_attrstat),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+AT,
},
[NFSPROC_ROOT] = {
.pc_decode = (kxdrproc_t) nfssvc_decode_void,
.pc_encode = (kxdrproc_t) nfssvc_encode_void,
.pc_argsize = sizeof(struct nfsd_void),
.pc_ressize = sizeof(struct nfsd_void),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST,
},
[NFSPROC_LOOKUP] = {
.pc_func = (svc_procfunc) nfsd_proc_lookup,
.pc_decode = (kxdrproc_t) nfssvc_decode_diropargs,
.pc_encode = (kxdrproc_t) nfssvc_encode_diropres,
.pc_release = (kxdrproc_t) nfssvc_release_fhandle,
.pc_argsize = sizeof(struct nfsd_diropargs),
.pc_ressize = sizeof(struct nfsd_diropres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+FH+AT,
},
[NFSPROC_READLINK] = {
.pc_func = (svc_procfunc) nfsd_proc_readlink,
.pc_decode = (kxdrproc_t) nfssvc_decode_readlinkargs,
.pc_encode = (kxdrproc_t) nfssvc_encode_readlinkres,
.pc_argsize = sizeof(struct nfsd_readlinkargs),
.pc_ressize = sizeof(struct nfsd_readlinkres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+1+NFS_MAXPATHLEN/4,
},
[NFSPROC_READ] = {
.pc_func = (svc_procfunc) nfsd_proc_read,
.pc_decode = (kxdrproc_t) nfssvc_decode_readargs,
.pc_encode = (kxdrproc_t) nfssvc_encode_readres,
.pc_release = (kxdrproc_t) nfssvc_release_fhandle,
.pc_argsize = sizeof(struct nfsd_readargs),
.pc_ressize = sizeof(struct nfsd_readres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+AT+1+NFSSVC_MAXBLKSIZE_V2/4,
},
[NFSPROC_WRITECACHE] = {
.pc_decode = (kxdrproc_t) nfssvc_decode_void,
.pc_encode = (kxdrproc_t) nfssvc_encode_void,
.pc_argsize = sizeof(struct nfsd_void),
.pc_ressize = sizeof(struct nfsd_void),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST,
},
[NFSPROC_WRITE] = {
.pc_func = (svc_procfunc) nfsd_proc_write,
.pc_decode = (kxdrproc_t) nfssvc_decode_writeargs,
.pc_encode = (kxdrproc_t) nfssvc_encode_attrstat,
.pc_release = (kxdrproc_t) nfssvc_release_fhandle,
.pc_argsize = sizeof(struct nfsd_writeargs),
.pc_ressize = sizeof(struct nfsd_attrstat),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+AT,
},
[NFSPROC_CREATE] = {
.pc_func = (svc_procfunc) nfsd_proc_create,
.pc_decode = (kxdrproc_t) nfssvc_decode_createargs,
.pc_encode = (kxdrproc_t) nfssvc_encode_diropres,
.pc_release = (kxdrproc_t) nfssvc_release_fhandle,
.pc_argsize = sizeof(struct nfsd_createargs),
.pc_ressize = sizeof(struct nfsd_diropres),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+FH+AT,
},
[NFSPROC_REMOVE] = {
.pc_func = (svc_procfunc) nfsd_proc_remove,
.pc_decode = (kxdrproc_t) nfssvc_decode_diropargs,
.pc_encode = (kxdrproc_t) nfssvc_encode_void,
.pc_argsize = sizeof(struct nfsd_diropargs),
.pc_ressize = sizeof(struct nfsd_void),
.pc_cachetype = RC_REPLSTAT,
.pc_xdrressize = ST,
},
[NFSPROC_RENAME] = {
.pc_func = (svc_procfunc) nfsd_proc_rename,
.pc_decode = (kxdrproc_t) nfssvc_decode_renameargs,
.pc_encode = (kxdrproc_t) nfssvc_encode_void,
.pc_argsize = sizeof(struct nfsd_renameargs),
.pc_ressize = sizeof(struct nfsd_void),
.pc_cachetype = RC_REPLSTAT,
.pc_xdrressize = ST,
},
[NFSPROC_LINK] = {
.pc_func = (svc_procfunc) nfsd_proc_link,
.pc_decode = (kxdrproc_t) nfssvc_decode_linkargs,
.pc_encode = (kxdrproc_t) nfssvc_encode_void,
.pc_argsize = sizeof(struct nfsd_linkargs),
.pc_ressize = sizeof(struct nfsd_void),
.pc_cachetype = RC_REPLSTAT,
.pc_xdrressize = ST,
},
[NFSPROC_SYMLINK] = {
.pc_func = (svc_procfunc) nfsd_proc_symlink,
.pc_decode = (kxdrproc_t) nfssvc_decode_symlinkargs,
.pc_encode = (kxdrproc_t) nfssvc_encode_void,
.pc_argsize = sizeof(struct nfsd_symlinkargs),
.pc_ressize = sizeof(struct nfsd_void),
.pc_cachetype = RC_REPLSTAT,
.pc_xdrressize = ST,
},
[NFSPROC_MKDIR] = {
.pc_func = (svc_procfunc) nfsd_proc_mkdir,
.pc_decode = (kxdrproc_t) nfssvc_decode_createargs,
.pc_encode = (kxdrproc_t) nfssvc_encode_diropres,
.pc_release = (kxdrproc_t) nfssvc_release_fhandle,
.pc_argsize = sizeof(struct nfsd_createargs),
.pc_ressize = sizeof(struct nfsd_diropres),
.pc_cachetype = RC_REPLBUFF,
.pc_xdrressize = ST+FH+AT,
},
[NFSPROC_RMDIR] = {
.pc_func = (svc_procfunc) nfsd_proc_rmdir,
.pc_decode = (kxdrproc_t) nfssvc_decode_diropargs,
.pc_encode = (kxdrproc_t) nfssvc_encode_void,
.pc_argsize = sizeof(struct nfsd_diropargs),
.pc_ressize = sizeof(struct nfsd_void),
.pc_cachetype = RC_REPLSTAT,
.pc_xdrressize = ST,
},
[NFSPROC_READDIR] = {
.pc_func = (svc_procfunc) nfsd_proc_readdir,
.pc_decode = (kxdrproc_t) nfssvc_decode_readdirargs,
.pc_encode = (kxdrproc_t) nfssvc_encode_readdirres,
.pc_argsize = sizeof(struct nfsd_readdirargs),
.pc_ressize = sizeof(struct nfsd_readdirres),
.pc_cachetype = RC_NOCACHE,
},
[NFSPROC_STATFS] = {
.pc_func = (svc_procfunc) nfsd_proc_statfs,
.pc_decode = (kxdrproc_t) nfssvc_decode_fhandle,
.pc_encode = (kxdrproc_t) nfssvc_encode_statfsres,
.pc_argsize = sizeof(struct nfsd_fhandle),
.pc_ressize = sizeof(struct nfsd_statfsres),
.pc_cachetype = RC_NOCACHE,
.pc_xdrressize = ST+5,
},
};
......
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