Messages in this thread |  | | Subject | Re: [BUG] FLOPPY DRIVER since 5.10.20 | From | Mark Hounschell <> | Date | Mon, 26 Jul 2021 07:17:34 -0400 |
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On 7/26/21 3:57 AM, Denis Efremov wrote: > Hi, > > On 7/23/21 9:47 PM, Mark Hounschell wrote: >> >> These 2 incremental patches, patch-5.10.19-20 and patch-5.11.2-3 have broken the user land fd = open("/dev/fd0", (O_RDWR | O_NDELAY)); functionality. > > Thank you for the report, I'm looking into this. > >> Since FOREVER before the patch, when using O_NDELAY, one could open the floppy device with no media inserted or even with write protected media without error. "Read-only file system" status is returned only when we actually tried to write to it. We have software still in use today that relies on this functionality. > > If it's a project with open sources could you please give a link? > > Regards, > Denis > This is immaterial but fdutils and libdsk both use rely on this flag. Who can know who else does. The point is it should NOT have been changed.
Mark
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