nfs: fix open(O_RDONLY|O_TRUNC) in NFS4.0

nfs4_proc_setattr removes ATTR_OPEN from sattr->ia_valid, but later
nfs4_do_setattr checks for it

Signed-off-by: Nadav Shemer <nadav@tonian.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Nadav Shemer 2013-07-21 17:21:43 +03:00 committed by Trond Myklebust
parent d7067b2db7
commit cc7936f9ad

View File

@ -2940,10 +2940,10 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
/* Deal with open(O_TRUNC) */
if (sattr->ia_valid & ATTR_OPEN)
sattr->ia_valid &= ~(ATTR_MTIME|ATTR_CTIME|ATTR_OPEN);
sattr->ia_valid &= ~(ATTR_MTIME|ATTR_CTIME);
/* Optimization: if the end result is no change, don't RPC */
if ((sattr->ia_valid & ~(ATTR_FILE)) == 0)
if ((sattr->ia_valid & ~(ATTR_FILE|ATTR_OPEN)) == 0)
return 0;
/* Search for an existing open(O_WRITE) file */