Re: CIFS close with pending writes

[Valdis . Kletnieks]

On Wed, 15 Nov 2006 14:29:53 +0100, Christian said:

I was hitting this under 2.6.19-rc5-mm1 as well:

> [ 7190.693567] CIFS does not yet support partial page writes on O_WRONLY files

I get that one even without "heavy stressing" - just doing a CIFS mount of
a share from our NetApp and trying to copy a file onto it will trigger
this variant.  'cat /etc/motd >> /mnt/server/my_dir/foo' triggers it.
(changing the shell redirect to '1<>/mnt/server/my_dir/foo' solves THIS one,
and creates the second flavor:

> [ 7190.693600]  CIFS VFS: close with pending writes

Happens every time you close a file after writing anything other than an
exact multiple of 4K.

Some quick testing indicates that this works properly under -rc5-mm2 (in fact,
I didn't report it against -mm1 because when I discovered it the other day, I
already knew -mm2 was out...)

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