From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/fs/nfsd/nfs3acl.c | 88 ++++++++++++++++++++++++-------------------
1 files changed, 49 insertions(+), 39 deletions(-)
diff --git a/kernel/fs/nfsd/nfs3acl.c b/kernel/fs/nfsd/nfs3acl.c
index 13bca4a..34a394e 100644
--- a/kernel/fs/nfsd/nfs3acl.c
+++ b/kernel/fs/nfsd/nfs3acl.c
@@ -13,15 +13,13 @@
#include "xdr3.h"
#include "vfs.h"
-#define RETURN_STATUS(st) { resp->status = (st); return (st); }
-
/*
* NULL call.
*/
static __be32
nfsd3_proc_null(struct svc_rqst *rqstp)
{
- return nfs_ok;
+ return rpc_success;
}
/*
@@ -34,17 +32,18 @@
struct posix_acl *acl;
struct inode *inode;
svc_fh *fh;
- __be32 nfserr = 0;
fh = fh_copy(&resp->fh, &argp->fh);
- nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
- if (nfserr)
- RETURN_STATUS(nfserr);
+ resp->status = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
+ if (resp->status != nfs_ok)
+ goto out;
inode = d_inode(fh->fh_dentry);
- if (argp->mask & ~NFS_ACL_MASK)
- RETURN_STATUS(nfserr_inval);
+ if (argp->mask & ~NFS_ACL_MASK) {
+ resp->status = nfserr_inval;
+ goto out;
+ }
resp->mask = argp->mask;
if (resp->mask & (NFS_ACL|NFS_ACLCNT)) {
@@ -54,7 +53,7 @@
acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
}
if (IS_ERR(acl)) {
- nfserr = nfserrno(PTR_ERR(acl));
+ resp->status = nfserrno(PTR_ERR(acl));
goto fail;
}
resp->acl_access = acl;
@@ -64,19 +63,20 @@
of a non-directory! */
acl = get_acl(inode, ACL_TYPE_DEFAULT);
if (IS_ERR(acl)) {
- nfserr = nfserrno(PTR_ERR(acl));
+ resp->status = nfserrno(PTR_ERR(acl));
goto fail;
}
resp->acl_default = acl;
}
/* resp->acl_{access,default} are released in nfs3svc_release_getacl. */
- RETURN_STATUS(0);
+out:
+ return rpc_success;
fail:
posix_acl_release(resp->acl_access);
posix_acl_release(resp->acl_default);
- RETURN_STATUS(nfserr);
+ goto out;
}
/*
@@ -88,12 +88,11 @@
struct nfsd3_attrstat *resp = rqstp->rq_resp;
struct inode *inode;
svc_fh *fh;
- __be32 nfserr = 0;
int error;
fh = fh_copy(&resp->fh, &argp->fh);
- nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR);
- if (nfserr)
+ resp->status = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR);
+ if (resp->status != nfs_ok)
goto out;
inode = d_inode(fh->fh_dentry);
@@ -113,13 +112,13 @@
fh_unlock(fh);
fh_drop_write(fh);
out_errno:
- nfserr = nfserrno(error);
+ resp->status = nfserrno(error);
out:
/* argp->acl_{access,default} may have been allocated in
nfs3svc_decode_setaclargs. */
posix_acl_release(argp->acl_access);
posix_acl_release(argp->acl_default);
- RETURN_STATUS(nfserr);
+ return rpc_success;
}
/*
@@ -174,6 +173,7 @@
struct nfsd3_getaclres *resp = rqstp->rq_resp;
struct dentry *dentry = resp->fh.fh_dentry;
+ *p++ = resp->status;
p = nfs3svc_encode_post_op_attr(rqstp, p, &resp->fh);
if (resp->status == 0 && dentry && d_really_is_positive(dentry)) {
struct inode *inode = d_inode(dentry);
@@ -218,8 +218,8 @@
{
struct nfsd3_attrstat *resp = rqstp->rq_resp;
+ *p++ = resp->status;
p = nfs3svc_encode_post_op_attr(rqstp, p, &resp->fh);
-
return xdr_ressize_check(rqstp, p);
}
@@ -235,33 +235,43 @@
posix_acl_release(resp->acl_default);
}
-#define nfs3svc_decode_voidargs NULL
-#define nfs3svc_release_void NULL
-#define nfsd3_setaclres nfsd3_attrstat
-#define nfsd3_voidres nfsd3_voidargs
struct nfsd3_voidargs { int dummy; };
-
-#define PROC(name, argt, rest, relt, cache, respsize) \
-{ \
- .pc_func = nfsd3_proc_##name, \
- .pc_decode = nfs3svc_decode_##argt##args, \
- .pc_encode = nfs3svc_encode_##rest##res, \
- .pc_release = nfs3svc_release_##relt, \
- .pc_argsize = sizeof(struct nfsd3_##argt##args), \
- .pc_ressize = sizeof(struct nfsd3_##rest##res), \
- .pc_cachetype = cache, \
- .pc_xdrressize = respsize, \
-}
#define ST 1 /* status*/
#define AT 21 /* attributes */
#define pAT (1+AT) /* post attributes - conditional */
#define ACL (1+NFS_ACL_MAX_ENTRIES*3) /* Access Control List */
-static const struct svc_procedure nfsd_acl_procedures3[] = {
- PROC(null, void, void, void, RC_NOCACHE, ST),
- PROC(getacl, getacl, getacl, getacl, RC_NOCACHE, ST+1+2*(1+ACL)),
- PROC(setacl, setacl, setacl, fhandle, RC_NOCACHE, ST+pAT),
+static const struct svc_procedure nfsd_acl_procedures3[3] = {
+ [ACLPROC3_NULL] = {
+ .pc_func = nfsd3_proc_null,
+ .pc_decode = nfs3svc_decode_voidarg,
+ .pc_encode = nfs3svc_encode_voidres,
+ .pc_argsize = sizeof(struct nfsd3_voidargs),
+ .pc_ressize = sizeof(struct nfsd3_voidargs),
+ .pc_cachetype = RC_NOCACHE,
+ .pc_xdrressize = ST,
+ },
+ [ACLPROC3_GETACL] = {
+ .pc_func = nfsd3_proc_getacl,
+ .pc_decode = nfs3svc_decode_getaclargs,
+ .pc_encode = nfs3svc_encode_getaclres,
+ .pc_release = nfs3svc_release_getacl,
+ .pc_argsize = sizeof(struct nfsd3_getaclargs),
+ .pc_ressize = sizeof(struct nfsd3_getaclres),
+ .pc_cachetype = RC_NOCACHE,
+ .pc_xdrressize = ST+1+2*(1+ACL),
+ },
+ [ACLPROC3_SETACL] = {
+ .pc_func = nfsd3_proc_setacl,
+ .pc_decode = nfs3svc_decode_setaclargs,
+ .pc_encode = nfs3svc_encode_setaclres,
+ .pc_release = nfs3svc_release_fhandle,
+ .pc_argsize = sizeof(struct nfsd3_setaclargs),
+ .pc_ressize = sizeof(struct nfsd3_attrstat),
+ .pc_cachetype = RC_NOCACHE,
+ .pc_xdrressize = ST+pAT,
+ },
};
static unsigned int nfsd_acl_count3[ARRAY_SIZE(nfsd_acl_procedures3)];
--
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