Commit f588d72b authored by Dai Ngo's avatar Dai Ngo Committed by Anna Schumaker
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nfs42: client needs to strip file mode's suid/sgid bit after ALLOCATE op 



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: default avatarTrond Myklebust <trondmy@hammerspace.com>
Signed-off-by: default avatarDai Ngo <dai.ngo@oracle.com>
Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Tested-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 94f6f055

fs/nfs/nfs42proc.c

+2 −1
Original line number Diff line number Diff line
@@ -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,