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nfsd: pass a 64-bit guardtime to nfsd_setattr()

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Guardtime handling in nfs3 differs between 32-bit and 64-bit
architectures, and uses the deprecated time_t type.

Change it to using time64_t, which behaves the same way on
64-bit and 32-bit architectures, treating the number as an
unsigned 32-bit entity with a range of year 1970 to 2106
consistently, and avoiding the y2038 overflow.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Arnd Bergmann 2019-11-03 17:50:18 +01:00 committed by J. Bruce Fields
parent 9cc7680149
commit 2a1aa48929
6 changed files with 8 additions and 8 deletions
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2
fs/nfsd/nfs4proc.c
View File

@ -984,7 +984,7 @@ nfsd4_setattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
if (status)
goto out;
status = nfsd_setattr(rqstp, &cstate->current_fh, &setattr->sa_iattr,
0, (time_t)0);
0, (time64_t)0);
out:
fh_drop_write(&cstate->current_fh);
return status;

2
fs/nfsd/nfs4state.c
View File

@ -4721,7 +4721,7 @@ nfsd4_truncate(struct svc_rqst *rqstp, struct svc_fh *fh,
return 0;
if (!(open->op_share_access & NFS4_SHARE_ACCESS_WRITE))
return nfserr_inval;
return nfsd_setattr(rqstp, fh, &iattr, 0, (time_t)0);
return nfsd_setattr(rqstp, fh, &iattr, 0, (time64_t)0);
}
static __be32 nfs4_get_vfs_file(struct svc_rqst *rqstp, struct nfs4_file *fp,

4
fs/nfsd/nfsproc.c
View File

@ -113,7 +113,7 @@ nfsd_proc_setattr(struct svc_rqst *rqstp)
}
}
nfserr = nfsd_setattr(rqstp, fhp, iap, 0, (time_t)0);
nfserr = nfsd_setattr(rqstp, fhp, iap, 0, (time64_t)0);
done:
return nfsd_return_attrs(nfserr, resp);
}
@ -380,7 +380,7 @@ nfsd_proc_create(struct svc_rqst *rqstp)
*/
attr->ia_valid &= ATTR_SIZE;
if (attr->ia_valid)
nfserr = nfsd_setattr(rqstp, newfhp, attr, 0, (time_t)0);
nfserr = nfsd_setattr(rqstp, newfhp, attr, 0, (time64_t)0);
}
out_unlock:

4
fs/nfsd/vfs.c
View File

@ -364,7 +364,7 @@ out_nfserrno:
*/
__be32
nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
int check_guard, time_t guardtime)
int check_guard, time64_t guardtime)
{
struct dentry *dentry;
struct inode *inode;
@ -1133,7 +1133,7 @@ nfsd_create_setattr(struct svc_rqst *rqstp, struct svc_fh *resfhp,
if (!uid_eq(current_fsuid(), GLOBAL_ROOT_UID))
iap->ia_valid &= ~(ATTR_UID|ATTR_GID);
if (iap->ia_valid)
return nfsd_setattr(rqstp, resfhp, iap, 0, (time_t)0);
return nfsd_setattr(rqstp, resfhp, iap, 0, (time64_t)0);
/* Callers expect file metadata to be committed here */
return nfserrno(commit_metadata(resfhp));
}

2
fs/nfsd/vfs.h
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@ -48,7 +48,7 @@ __be32 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
const char *, unsigned int,
struct svc_export **, struct dentry **);
__be32 nfsd_setattr(struct svc_rqst *, struct svc_fh *,
struct iattr *, int, time_t);
struct iattr *, int, time64_t);
int nfsd_mountpoint(struct dentry *, struct svc_export *);
#ifdef CONFIG_NFSD_V4
__be32 nfsd4_set_nfs4_label(struct svc_rqst *, struct svc_fh *,

2
fs/nfsd/xdr3.h
View File

@ -14,7 +14,7 @@ struct nfsd3_sattrargs {
struct svc_fh fh;
struct iattr attrs;
int check_guard;
time_t guardtime;
time64_t guardtime;
};
struct nfsd3_diropargs {