6.5-stable review patch. If anyone has any objections, please let me know.
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From: Dai Ngo dai.ngo@oracle.com
commit f588d72bd95f748849685412b1f0c7959ca228cf upstream.
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: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/nfs/nfs42proc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -81,7 +81,8 @@ static int _nfs42_proc_fallocate(struct 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,