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Use the VA_UTIMES_NULL flag to detect when NULL was passed to utimes()

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instead of comparing the desired time against the current time as a
heuristic.

Reviewed by:	rmacklem
MFC after:	1 week
This commit is contained in:
John Baldwin 2013-01-16 21:52:31 +00:00
parent f7e925398c
commit 5055536eec
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=245508
3 changed files with 6 additions and 9 deletions
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7
sys/fs/nfs/nfs_commonsubs.c
View File

@ -1998,7 +1998,6 @@ nfsv4_fillattr(struct nfsrv_descript *nd, struct mount *mp, vnode_t vp,
struct statfs fs;
struct nfsfsinfo fsinf;
struct timespec temptime;
struct timeval curtime;
NFSACL_T *aclp, *naclp = NULL;
#ifdef QUOTA
struct dqblk dqb;
@ -2412,8 +2411,7 @@ nfsv4_fillattr(struct nfsrv_descript *nd, struct mount *mp, vnode_t vp,
retnum += NFSX_V4TIME;
break;
case NFSATTRBIT_TIMEACCESSSET:
NFSGETTIME(&curtime);
if (vap->va_atime.tv_sec != curtime.tv_sec) {
if ((vap->va_vaflags & VA_UTIMES_NULL) == 0) {
NFSM_BUILD(tl, u_int32_t *, NFSX_V4SETTIME);
*tl++ = txdr_unsigned(NFSV4SATTRTIME_TOCLIENT);
txdr_nfsv4time(&vap->va_atime, tl);
@ -2442,8 +2440,7 @@ nfsv4_fillattr(struct nfsrv_descript *nd, struct mount *mp, vnode_t vp,
retnum += NFSX_V4TIME;
break;
case NFSATTRBIT_TIMEMODIFYSET:
NFSGETTIME(&curtime);
if (vap->va_mtime.tv_sec != curtime.tv_sec) {
if ((vap->va_vaflags & VA_UTIMES_NULL) == 0) {
NFSM_BUILD(tl, u_int32_t *, NFSX_V4SETTIME);
*tl++ = txdr_unsigned(NFSV4SATTRTIME_TOCLIENT);
txdr_nfsv4time(&vap->va_mtime, tl);

4
sys/fs/nfsclient/nfs_clport.c
View File

@ -789,7 +789,7 @@ nfscl_fillsattr(struct nfsrv_descript *nd, struct vattr *vap,
*tl = newnfs_false;
}
if (vap->va_atime.tv_sec != VNOVAL) {
if (vap->va_atime.tv_sec != curtime.tv_sec) {
if ((vap->va_vaflags & VA_UTIMES_NULL) == 0) {
NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT);
txdr_nfsv3time(&vap->va_atime, tl);
@ -802,7 +802,7 @@ nfscl_fillsattr(struct nfsrv_descript *nd, struct vattr *vap,
*tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE);
}
if (vap->va_mtime.tv_sec != VNOVAL) {
if (vap->va_mtime.tv_sec != curtime.tv_sec) {
if ((vap->va_vaflags & VA_UTIMES_NULL) == 0) {
NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT);
txdr_nfsv3time(&vap->va_mtime, tl);

4
sys/nfsclient/nfs_subs.c
View File

@ -1110,7 +1110,7 @@ nfsm_v3attrbuild_xx(struct vattr *va, int full, struct mbuf **mb,
*tl = nfs_false;
}
if (va->va_atime.tv_sec != VNOVAL) {
if (va->va_atime.tv_sec != time_second) {
if ((va->va_vaflags & VA_UTIMES_NULL) == 0) {
tl = nfsm_build_xx(3 * NFSX_UNSIGNED, mb, bpos);
*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT);
txdr_nfsv3time(&va->va_atime, tl);
@ -1123,7 +1123,7 @@ nfsm_v3attrbuild_xx(struct vattr *va, int full, struct mbuf **mb,
*tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE);
}
if (va->va_mtime.tv_sec != VNOVAL) {
if (va->va_mtime.tv_sec != time_second) {
if ((va->va_vaflags & VA_UTIMES_NULL) == 0) {
tl = nfsm_build_xx(3 * NFSX_UNSIGNED, mb, bpos);
*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT);
txdr_nfsv3time(&va->va_mtime, tl);