[cc linux-nfs for review] On Fri, Jul 30, 2021 at 08:42:52PM +0800, Hao Xu wrote: > The block size of localfs for nfs may be much smaller than nfs itself. > So we'd better set MAX_ATTRS and MAX_ATTRVAL_SIZE to 4096 to avoid > 'no space' error when we test adding a bunch of xattrs to nfs. > > Signed-off-by: Hao Xu <haoxu@xxxxxxxxxxxxxxxxx> Since the xattr support is relatively new (merged a year ago for NFSv4.2), I'd like nfs folks to take a look as well. > --- > > It's better to set BLOCK_SIZE to `_get_block_size $variable` > here $variable is the localfs for nfs, since I'm not familiar with > xfstests, anyone tell what's the name of it. fstests doesn't know the exported filesystem under NFS, so I don't think we could the block size of it. > > common/attr | 11 +++++++++-- > 1 file changed, 9 insertions(+), 2 deletions(-) > > diff --git a/common/attr b/common/attr > index 42ceab92335a..a833f00e0884 100644 > --- a/common/attr > +++ b/common/attr > @@ -253,9 +253,13 @@ _getfattr() > > # set maximum total attr space based on fs type > case "$FSTYP" in > -xfs|udf|pvfs2|9p|ceph|nfs) > +xfs|udf|pvfs2|9p|ceph) > MAX_ATTRS=1000 > ;; > +nfs) > + BLOCK_SIZE=4096 > + let MAX_ATTRS=$BLOCK_SIZE/40 > + ;; > *) > # Assume max ~1 block of attrs > BLOCK_SIZE=`_get_block_size $TEST_DIR` > @@ -273,12 +277,15 @@ xfs|udf|btrfs) > pvfs2) > MAX_ATTRVAL_SIZE=8192 > ;; > -9p|ceph|nfs) > +9p|ceph) > MAX_ATTRVAL_SIZE=65536 > ;; > bcachefs) > MAX_ATTRVAL_SIZE=1024 > ;; > +nfs) > + MAX_ATTRVAL_SIZE=3840 > + ;; Where does this value come from? Thanks, Eryu > *) > # Assume max ~1 block of attrs > BLOCK_SIZE=`_get_block_size $TEST_DIR` > -- > 2.24.4