d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Modify the new NFS server so that the NFSv3 Pathconf RPC

Browse Source 
doesn't return an error when the underlying file system
lacks support for any of the four _PC_xxx values used, by
falling back to default values.

Tested by:	avg
MFC after:	2 weeks
This commit is contained in:
Rick Macklem 2011-06-04 01:13:09 +00:00
parent 3eee62c606
commit c5c142f652
1 changed files with 30 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
sys/fs/nfsserver/nfs_nfsdport.c
View File

@ -2592,6 +2592,36 @@ nfsvno_pathconf(struct vnode *vp, int flag, register_t *retf,
int error;
error = VOP_PATHCONF(vp, flag, retf);
if (error == EOPNOTSUPP || error == EINVAL) {
/*
* Some file systems return EINVAL for name arguments not
* supported and some return EOPNOTSUPP for this case.
* So the NFSv3 Pathconf RPC doesn't fail for these cases,
* just fake them.
*/
switch (flag) {
case _PC_LINK_MAX:
*retf = LINK_MAX;
break;
case _PC_NAME_MAX:
*retf = NAME_MAX;
break;
case _PC_CHOWN_RESTRICTED:
*retf = 1;
break;
case _PC_NO_TRUNC:
*retf = 1;
break;
default:
/*
* Only happens if a _PC_xxx is added to the server,
* but this isn't updated.
*/
*retf = 0;
printf("nfsrvd pathconf flag=%d not supp\n", flag);
};
error = 0;
}
return (error);
}