Re: "ibstat -l" displays CA device list in an unsorted order

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On 2/24/2020 9:41 PM, Jason Gunthorpe wrote:
On Mon, Feb 24, 2020 at 08:06:56PM +0200, Haim Boozaglo wrote:
Hi all,

When running "ibstat" or "ibstat -l", the output of CA device list
is displayed in an unsorted order.

Before pull request #561, ibstat displayed the CA device list sorted in
alphabetical order.

The problem is that users expect to have the output sorted in alphabetical
order and now they get it not as expected (in an unsorted order).

Really? Why? That doesn't look like it should happen, the list is
constructed out of readdir() which should be sorted?

Do you know where this comes from?

Jason


readdir() gives us struct by struct and doesn't keep on alphabetical order.
Before pull request #561 ibstat have used this API of libibumad:
int umad_get_cas_names(char cas[][UMAD_CA_NAME_LEN], int max)

This API used this function:
n = scandir(SYS_INFINIBAND, &namelist, NULL, alphasort);

scandir() can return a sorted CA device list in alphabetical order.

Thanks,
Haim.



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