On Sunday December 31, jengelh@xxxxxxxxxxxxxxx wrote:
> Hi,
>
>
>
> this line in mdadm-2.5.4
>
> Detail.c:
> 185: ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
>
> causes a dmesg warning when running `mdadm -D /dev/md0`:
>
> ioctl32(mdadm:2946): Unknown cmd fd(7) cmd(50000915){10} arg(ff2905d0)
> on /dev/md0
>
> on Aurora Linux corona_2.90 with 2.6.18-1.2798.al3.1smp(sparc64). The
> raid array was created using `mdadm -C /dev/md0 -l 1 -n 2 missing
> /dev/sdb2 -e 1.0`. Given that "case GET_BITMAP_FILE" is handled in
> (2.6.18.5), I wonder what exactly is causing this.
>
>
> Keep me on Cc, but you always do that. Thanks :)
>
> -`J'
> --
That would be fixed by the patch below which is post 2.6.18.
NeilBrown
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=da3ed32fe568148ede256975d40825ffcdac767b;hp=2e333e89860431d22816c1bdaa2ea72c2753396e
From: NeilBrown <neilb@xxxxxxx>
Date: Sat, 21 Oct 2006 17:24:08 +0000 (-0700)
Subject: [PATCH] md: add another COMPAT_IOCTL for md
X-Git-Tag: v2.6.19-rc3
X-Git-Url: http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=da3ed32fe568148ede256975d40825ffcdac767b
[PATCH] md: add another COMPAT_IOCTL for md
.. so that you can use bitmaps with 32bit userspace on a 64 bit kernel.
Signed-off-by: Neil Brown <neilb@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxx>
---
--- a/include/linux/compat_ioctl.h
+++ b/include/linux/compat_ioctl.h
@@ -131,6 +131,7 @@ COMPATIBLE_IOCTL(RUN_ARRAY)
COMPATIBLE_IOCTL(STOP_ARRAY)
COMPATIBLE_IOCTL(STOP_ARRAY_RO)
COMPATIBLE_IOCTL(RESTART_ARRAY_RW)
+COMPATIBLE_IOCTL(GET_BITMAP_FILE)
ULONG_IOCTL(SET_BITMAP_FILE)
/* DM */
COMPATIBLE_IOCTL(DM_VERSION_32)
-
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