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dma-buf: add the name field to the table header
'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@huawei.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220428063924.3570409-1-songyuanzheng@huawei.com
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1 changed files with 2 additions and 2 deletions
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@ -1351,7 +1351,7 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
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return ret;
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seq_puts(s, "\nDma-buf Objects:\n");
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seq_printf(s, "%-8s\t%-8s\t%-8s\t%-8s\texp_name\t%-8s\n",
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seq_printf(s, "%-8s\t%-8s\t%-8s\t%-8s\texp_name\t%-8s\tname\n",
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"size", "flags", "mode", "count", "ino");
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list_for_each_entry(buf_obj, &db_list.head, list_node) {
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@ -1368,7 +1368,7 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
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file_count(buf_obj->file),
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buf_obj->exp_name,
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file_inode(buf_obj->file)->i_ino,
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buf_obj->name ?: "");
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buf_obj->name ?: "<none>");
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spin_unlock(&buf_obj->name_lock);
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dma_resv_describe(buf_obj->resv, s);
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