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NFSD: Add an nfsd4_encode_nfstime4() helper 

Clean up: de-duplicate some common code.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Acked-by: Tom Talpey <tom@talpey.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2023-06-12 10:13:39 -04:00
parent f8335a212a
commit 262176798b
1 changed files with 26 additions and 20 deletions
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46
fs/nfsd/nfs4xdr.c
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@ -2541,6 +2541,20 @@ static __be32 *encode_change(__be32 *p, struct kstat *stat, struct inode *inode,
return p;
}
static __be32 nfsd4_encode_nfstime4(struct xdr_stream *xdr,
struct timespec64 *tv)
{
__be32 *p;
p = xdr_reserve_space(xdr, XDR_UNIT * 3);
if (!p)
return nfserr_resource;
p = xdr_encode_hyper(p, (s64)tv->tv_sec);
*p = cpu_to_be32(tv->tv_nsec);
return nfs_ok;
}
/*
* ctime (in NFSv4, time_metadata) is not writeable, and the client
* doesn't really care what resolution could theoretically be stored by
@ -3352,11 +3366,9 @@ out_acl:
p = xdr_encode_hyper(p, dummy64);
}
if (bmval1 & FATTR4_WORD1_TIME_ACCESS) {
p = xdr_reserve_space(xdr, 12);
if (!p)
goto out_resource;
p = xdr_encode_hyper(p, (s64)stat.atime.tv_sec);
*p++ = cpu_to_be32(stat.atime.tv_nsec);
status = nfsd4_encode_nfstime4(xdr, &stat.atime);
if (status)
goto out;
}
if (bmval1 & FATTR4_WORD1_TIME_DELTA) {
p = xdr_reserve_space(xdr, 12);
@ -3365,25 +3377,19 @@ out_acl:
p = encode_time_delta(p, d_inode(dentry));
}
if (bmval1 & FATTR4_WORD1_TIME_METADATA) {
p = xdr_reserve_space(xdr, 12);
if (!p)
goto out_resource;
p = xdr_encode_hyper(p, (s64)stat.ctime.tv_sec);
*p++ = cpu_to_be32(stat.ctime.tv_nsec);
status = nfsd4_encode_nfstime4(xdr, &stat.ctime);
if (status)
goto out;
}
if (bmval1 & FATTR4_WORD1_TIME_MODIFY) {
p = xdr_reserve_space(xdr, 12);
if (!p)
goto out_resource;
p = xdr_encode_hyper(p, (s64)stat.mtime.tv_sec);
*p++ = cpu_to_be32(stat.mtime.tv_nsec);
status = nfsd4_encode_nfstime4(xdr, &stat.mtime);
if (status)
goto out;
}
if (bmval1 & FATTR4_WORD1_TIME_CREATE) {
p = xdr_reserve_space(xdr, 12);
if (!p)
goto out_resource;
p = xdr_encode_hyper(p, (s64)stat.btime.tv_sec);
*p++ = cpu_to_be32(stat.btime.tv_nsec);
status = nfsd4_encode_nfstime4(xdr, &stat.btime);
if (status)
goto out;
}
if (bmval1 & FATTR4_WORD1_MOUNTED_ON_FILEID) {
u64 ino = stat.ino;