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NFS O_EXCL file create semantics temporarily uses file attributes to store 

the file verifier.  The NFS client is supposed to do a SETATTR after a
successful O_EXCL open/create to clean up the attributes.  FreeBSD's
client code was generating a SETATTR rpc but was not generating an access
or modification time update within that rpc, leaving the file with a
broken access time that solaris chokes on (and it doesn't look very
nice when you ls -lua under FreeBSD either!).    Fixed.
This commit is contained in:
Matthew Dillon 2001-01-04 22:45:19 +00:00
parent d772649af3
commit d2d00d11be
2 changed files with 28 additions and 2 deletions
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15
sys/nfs/nfs_vnops.c
View File

@ -1459,8 +1459,21 @@ again:
}
if (newvp)
vput(newvp);
} else if (v3 && (fmode & O_EXCL))
} else if (v3 && (fmode & O_EXCL)) {
/*
* We are normally called with only a partially initialized
* VAP. Since the NFSv3 spec says that server may use the
* file attributes to store the verifier, the spec requires
* us to do a SETATTR RPC. FreeBSD servers store the verifier
* in atime, but we can't really assume that all servers will
* so we ensure that our SETATTR sets both atime and mtime.
*/
if (vap->va_mtime.tv_sec == VNOVAL)
vfs_timestamp(&vap->va_mtime);
if (vap->va_atime.tv_sec == VNOVAL)
vap->va_atime = vap->va_mtime;
error = nfs_setattrrpc(newvp, vap, cnp->cn_cred, cnp->cn_proc);
}
if (!error) {
if (cnp->cn_flags & MAKEENTRY)
cache_enter(dvp, newvp, cnp);

15
sys/nfsclient/nfs_vnops.c
View File

@ -1459,8 +1459,21 @@ again:
}
if (newvp)
vput(newvp);
} else if (v3 && (fmode & O_EXCL))
} else if (v3 && (fmode & O_EXCL)) {
/*
* We are normally called with only a partially initialized
* VAP. Since the NFSv3 spec says that server may use the
* file attributes to store the verifier, the spec requires
* us to do a SETATTR RPC. FreeBSD servers store the verifier
* in atime, but we can't really assume that all servers will
* so we ensure that our SETATTR sets both atime and mtime.
*/
if (vap->va_mtime.tv_sec == VNOVAL)
vfs_timestamp(&vap->va_mtime);
if (vap->va_atime.tv_sec == VNOVAL)
vap->va_atime = vap->va_mtime;
error = nfs_setattrrpc(newvp, vap, cnp->cn_cred, cnp->cn_proc);
}
if (!error) {
if (cnp->cn_flags & MAKEENTRY)
cache_enter(dvp, newvp, cnp);