Hi Christian, On Thu, 28 Apr 2022 at 13:33, Christian König <christian.koe...@amd.com> wrote: > > Am 28.04.22 um 08:39 schrieb Yuanzheng Song: > > 'cat /sys/kernel/debug/dma_buf/bufinfo' will print the Dma-buf > > Objects' information when the CONFIG_DEBUG_FS=y. > > However, the printed table header information does not contain > > the name field. So we need to add the name field to the table > > header and use the '<none>' to replace the empty buf_obj->name. > > > > Signed-off-by: Yuanzheng Song <songyuanzh...@huawei.com> > > Reviewed-by: Christian König <christian.koe...@amd.com> > > Sumit do you want to push this or should I go ahead?
No worries, I can push it out. Thanks :) > > > --- > > drivers/dma-buf/dma-buf.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c > > index 79795857be3e..a2f9a1815e38 100644 > > --- a/drivers/dma-buf/dma-buf.c > > +++ b/drivers/dma-buf/dma-buf.c > > @@ -1351,7 +1351,7 @@ static int dma_buf_debug_show(struct seq_file *s, > > void *unused) > > return ret; > > > > seq_puts(s, "\nDma-buf Objects:\n"); > > - seq_printf(s, "%-8s\t%-8s\t%-8s\t%-8s\texp_name\t%-8s\n", > > + seq_printf(s, "%-8s\t%-8s\t%-8s\t%-8s\texp_name\t%-8s\tname\n", > > "size", "flags", "mode", "count", "ino"); > > > > list_for_each_entry(buf_obj, &db_list.head, list_node) { > > @@ -1368,7 +1368,7 @@ static int dma_buf_debug_show(struct seq_file *s, > > void *unused) > > file_count(buf_obj->file), > > buf_obj->exp_name, > > file_inode(buf_obj->file)->i_ino, > > - buf_obj->name ?: ""); > > + buf_obj->name ?: "<none>"); > > spin_unlock(&buf_obj->name_lock); > > > > dma_resv_describe(buf_obj->resv, s); > Best, Sumit.