From: Dai Ngo dai.ngo@oracle.com
[ Upstream commit f588d72bd95f748849685412b1f0c7959ca228cf ]
The Linux NFS server strips the SUID and SGID from the file mode on ALLOCATE op.
Modify _nfs42_proc_fallocate to add NFS_INO_REVAL_FORCED to nfs_set_cache_invalid's argument to force update of the file mode suid/sgid bit.
Suggested-by: Trond Myklebust trondmy@hammerspace.com Signed-off-by: Dai Ngo dai.ngo@oracle.com Reviewed-by: Jeff Layton jlayton@kernel.org Tested-by: Jeff Layton jlayton@kernel.org Signed-off-by: Anna Schumaker Anna.Schumaker@Netapp.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfs/nfs42proc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index 063e00aff87ed..28704f924612c 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -81,7 +81,8 @@ static int _nfs42_proc_fallocate(struct rpc_message *msg, struct file *filep, if (status == 0) { if (nfs_should_remove_suid(inode)) { spin_lock(&inode->i_lock); - nfs_set_cache_invalid(inode, NFS_INO_INVALID_MODE); + nfs_set_cache_invalid(inode, + NFS_INO_REVAL_FORCED | NFS_INO_INVALID_MODE); spin_unlock(&inode->i_lock); } status = nfs_post_op_update_inode_force_wcc(inode,