在 2013-04-23二的 15:40 -0700，Andrew Morton写道：
> On Mon, 22 Apr 2013 13:47:22 +0800 liguang wrote:
>
> > originally, 'data->flags = CSD_FLAG_LOCK',
> > and we use 'data->flags &= ~CSD_FLAG_LOCK'
> > for csd_unlock, they are not symmetrix operations
> > so use '|=' instead of '='.
> > though, now
On Mon, 22 Apr 2013 13:47:22 +0800 liguang wrote:
> originally, 'data->flags = CSD_FLAG_LOCK',
> and we use 'data->flags &= ~CSD_FLAG_LOCK'
> for csd_unlock, they are not symmetrix operations
> so use '|=' instead of '='.
> though, now data->flags only hold CSD_FLAG_LOCK,
> it's not so
On Mon, 22 Apr 2013 13:47:22 +0800 liguang lig.f...@cn.fujitsu.com wrote:
originally, 'data-flags = CSD_FLAG_LOCK',
and we use 'data-flags = ~CSD_FLAG_LOCK'
for csd_unlock, they are not symmetrix operations
so use '|=' instead of '='.
though, now data-flags only hold CSD_FLAG_LOCK,
it's not
在 2013-04-23二的 15:40 -0700，Andrew Morton写道：
On Mon, 22 Apr 2013 13:47:22 +0800 liguang lig.f...@cn.fujitsu.com wrote:
originally, 'data-flags = CSD_FLAG_LOCK',
and we use 'data-flags = ~CSD_FLAG_LOCK'
for csd_unlock, they are not symmetrix operations
so use '|=' instead of '='.
On Mon, Apr 22, 2013 at 8:30 AM, Sedat Dilek wrote:
> On Mon, Apr 22, 2013 at 8:22 AM, li guang wrote:
>> 在 2013-04-22一的 08:18 +0200，Sedat Dilek写道：
>>> On Mon, Apr 22, 2013 at 7:47 AM, liguang wrote:
>>> > originally, 'data->flags = CSD_FLAG_LOCK',
>>> > and we use 'data->flags &=
On Mon, Apr 22, 2013 at 8:22 AM, li guang wrote:
> 在 2013-04-22一的 08:18 +0200，Sedat Dilek写道：
>> On Mon, Apr 22, 2013 at 7:47 AM, liguang wrote:
>> > originally, 'data->flags = CSD_FLAG_LOCK',
>> > and we use 'data->flags &= ~CSD_FLAG_LOCK'
>> > for csd_unlock, they are not symmetrix operations
在 2013-04-22一的 08:18 +0200，Sedat Dilek写道：
> On Mon, Apr 22, 2013 at 7:47 AM, liguang wrote:
> > originally, 'data->flags = CSD_FLAG_LOCK',
> > and we use 'data->flags &= ~CSD_FLAG_LOCK'
> > for csd_unlock, they are not symmetrix operations
> > so use '|=' instead of '='.
> > though, now
On Mon, Apr 22, 2013 at 7:47 AM, liguang wrote:
> originally, 'data->flags = CSD_FLAG_LOCK',
> and we use 'data->flags &= ~CSD_FLAG_LOCK'
> for csd_unlock, they are not symmetrix operations
> so use '|=' instead of '='.
> though, now data->flags only hold CSD_FLAG_LOCK,
> it's not so meaningful
On Mon, Apr 22, 2013 at 7:47 AM, liguang lig.f...@cn.fujitsu.com wrote:
originally, 'data-flags = CSD_FLAG_LOCK',
and we use 'data-flags = ~CSD_FLAG_LOCK'
for csd_unlock, they are not symmetrix operations
so use '|=' instead of '='.
though, now data-flags only hold CSD_FLAG_LOCK,
it's not so
在 2013-04-22一的 08:18 +0200，Sedat Dilek写道：
On Mon, Apr 22, 2013 at 7:47 AM, liguang lig.f...@cn.fujitsu.com wrote:
originally, 'data-flags = CSD_FLAG_LOCK',
and we use 'data-flags = ~CSD_FLAG_LOCK'
for csd_unlock, they are not symmetrix operations
so use '|=' instead of '='.
though, now
On Mon, Apr 22, 2013 at 8:22 AM, li guang lig.f...@cn.fujitsu.com wrote:
在 2013-04-22一的 08:18 +0200，Sedat Dilek写道：
On Mon, Apr 22, 2013 at 7:47 AM, liguang lig.f...@cn.fujitsu.com wrote:
originally, 'data-flags = CSD_FLAG_LOCK',
and we use 'data-flags = ~CSD_FLAG_LOCK'
for csd_unlock, they
On Mon, Apr 22, 2013 at 8:30 AM, Sedat Dilek sedat.di...@gmail.com wrote:
On Mon, Apr 22, 2013 at 8:22 AM, li guang lig.f...@cn.fujitsu.com wrote:
在 2013-04-22一的 08:18 +0200，Sedat Dilek写道：
On Mon, Apr 22, 2013 at 7:47 AM, liguang lig.f...@cn.fujitsu.com wrote:
originally, 'data-flags =
originally, 'data->flags = CSD_FLAG_LOCK',
and we use 'data->flags &= ~CSD_FLAG_LOCK'
for csd_unlock, they are not symmetrix operations
so use '|=' instead of '='.
though, now data->flags only hold CSD_FLAG_LOCK,
it's not so meaningful to use '|=' to set 1 bit,
and '&= ~' to clear 1 bit.
originally, 'data-flags = CSD_FLAG_LOCK',
and we use 'data-flags = ~CSD_FLAG_LOCK'
for csd_unlock, they are not symmetrix operations
so use '|=' instead of '='.
though, now data-flags only hold CSD_FLAG_LOCK,
it's not so meaningful to use '|=' to set 1 bit,
and '= ~' to clear 1 bit.
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