Looks good. Feel free to add my reviewed-by:. Do we have a test that reads a large enough directory? Seems like that plus the right kernel debugging options should have caught the original bug. --b. On Tue, Jun 07, 2022 at 04:47:45PM -0400, Chuck Lever wrote: > NFSD's new READDIRPLUS dirent encoder blows past the end of the > directory payload xdr_stream when the client requests more than a > page worth of directory entries. I tracked this down to how > xdr_get_next_encode_buffer() computes xdr->end. First patch in this > series is the fix. The remaining patches are clean-ups and > optimizations. > > I want to get this series into 5.19-rc quickly. I would appreciate > getting one more R-b for this series, preferrably from one of the > NFS client maintainers. > > > Changes since v1: > - Adjusted patch 2/5 per Neil Brown's suggestion > - Series applied to my NFS client and tested there > > --- > > Chuck Lever (5): > SUNRPC: Fix the calculation of xdr->end in xdr_get_next_encode_buffer() > SUNRPC: Optimize xdr_reserve_space() > SUNRPC: Clean up xdr_commit_encode() > SUNRPC: Clean up xdr_get_next_encode_buffer() > SUNRPC: Remove pointer type casts from xdr_get_next_encode_buffer() > > > include/linux/sunrpc/xdr.h | 16 +++++++++++++++- > net/sunrpc/xdr.c | 37 +++++++++++++++++++++++-------------- > 2 files changed, 38 insertions(+), 15 deletions(-) > > -- > Chuck Lever