Re: [RFC] block: Remove annoying "unknown partition table" message

From: Boaz Harrosh
Date: Sun Jan 18 2015 - 10:48:48 EST


On 01/18/2015 05:32 PM, Boaz Harrosh wrote:
> From: Boaz Harrosh <boaz@xxxxxxxxxxxxx>
>
> As Christoph put it best:
> Can we just get rid of the warnings? It's fairly annoying as devices
> without partitions are perfectly fine and very useful.
>
> Me too I see this message every VM boot for ages on all my
> devices. Would love to just remove it. For me a partition-table
> is only needed for a booting BIOS, grub, and stuff.
>
> (NOT Yet Tested)
>
> CC: Christoph Hellwig <hch@xxxxxxxxxxxxx>
> Signed-off-by: Boaz Harrosh <boaz@xxxxxxxxxxxxx>
> ---
> block/partitions/check.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/block/partitions/check.c b/block/partitions/check.c
> index 9ac1df7..e3a9077 100644
> --- a/block/partitions/check.c
> +++ b/block/partitions/check.c
> @@ -184,9 +184,7 @@ check_partition(struct gendisk *hd, struct block_device *bdev)
> if (err)
> /* The partition is unrecognized. So report I/O errors if there were any */
> res = err;
> - if (!res)
> - strlcat(state->pp_buf, " unknown partition table\n", PAGE_SIZE);
> - else if (warn_no_part)
> + if (warn_no_part)
> strlcat(state->pp_buf, " unable to read partition table\n", PAGE_SIZE);
>
> printk(KERN_INFO "%s", state->pp_buf);
>

Off course that was untested crap something like:
---
diff --git a/block/partitions/check.c b/block/partitions/check.c
index 9ac1df7..16118d1 100644
--- a/block/partitions/check.c
+++ b/block/partitions/check.c
@@ -184,12 +184,12 @@ check_partition(struct gendisk *hd, struct block_device *bdev)
if (err)
/* The partition is unrecognized. So report I/O errors if there were any */
res = err;
- if (!res)
- strlcat(state->pp_buf, " unknown partition table\n", PAGE_SIZE);
- else if (warn_no_part)
- strlcat(state->pp_buf, " unable to read partition table\n", PAGE_SIZE);
-
- printk(KERN_INFO "%s", state->pp_buf);
+ if (res) {
+ if (warn_no_part)
+ strlcat(state->pp_buf,
+ " unable to read partition table\n", PAGE_SIZE);
+ printk(KERN_INFO "%s", state->pp_buf);
+ }

free_page((unsigned long)state->pp_buf);
free_partitions(state);
---
Not-Signed-off-yet: Boaz Harrosh <boaz@xxxxxxxxxxxxx>

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