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Date: Thu, 28 Apr 2022 10:03:07 +0200 From: Christian König <christian.koenig@....com> To: Yuanzheng Song <songyuanzheng@...wei.com>, sumit.semwal@...aro.org, dri-devel@...ts.freedesktop.org, linaro-mm-sig@...ts.linaro.org Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] dma-buf: add the name field to the table header 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 <songyuanzheng@...wei.com> Reviewed-by: Christian König <christian.koenig@....com> Sumit do you want to push this or should I go ahead? > --- > 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);
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