From: Boaz Harrosh <bharrosh@panasas.com>
To: Benny Halevy <bhalevy@panasas.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
Jeff Garzik <jeff@garzik.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
James Bottomley <James.Bottomley@HansenPartnership.com>,
Avishay Traeger <avishay@gmail.com>,
open-osd <osd-dev@open-osd.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
Evgeniy Polyakov <zbr@ioremap.net>
Subject: Re: [osd-dev] [PATCH 6/8] exofs: super_operations and file_system_type
Date: Wed, 01 Apr 2009 11:05:21 +0300 [thread overview]
Message-ID: <49D32041.4090009@panasas.com> (raw)
In-Reply-To: <49D2665A.9090500@panasas.com>
On 03/31/2009 09:52 PM, Benny Halevy wrote:
> On Mar. 31, 2009, 11:04 +0300, Andrew Morton <akpm@linux-foundation.org> wrote:
>> ~0 is signed 0xffffffff.
>>
>> When assigning to a u64 it gets signed extended to signed
>> 0xffffffffffffffff and then converted to unsigned 0xffffffffffffffff.
>
> Right (I think, I'm not sure in what order)
>
>> I think. Just as with plain old "-1". Perhaps using plain old "-1"
>> would be clearer here.
>
> or maybe ~0ULL or ~(uint64_t)0 to be extremely anal about it.
>
> Benny
>
There is only one right way => ULLONG_MAX. Takes care of the human factor
too. (BTW that one is defined (~0ULL))
Thanks
Boaz
next prev parent reply other threads:[~2009-04-01 8:07 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-18 17:45 [PATCHSET 0/8 version 4] exofs for kernel 2.6.30 Boaz Harrosh
2009-03-18 17:57 ` [PATCH 1/8] exofs: Kbuild, Headers and osd utils Boaz Harrosh
2009-03-18 17:58 ` [PATCH 2/8] exofs: file and file_inode operations Boaz Harrosh
2009-03-31 8:04 ` Andrew Morton
2009-03-31 8:58 ` Boaz Harrosh
2009-03-18 18:01 ` [PATCH 3/8] exofs: symlink_inode and fast_symlink_inode operations Boaz Harrosh
2009-03-18 18:04 ` [PATCH 4/8] exofs: address_space_operations Boaz Harrosh
2009-03-22 10:22 ` Marcin Slusarz
2009-03-22 10:41 ` Boaz Harrosh
2009-03-22 13:58 ` [PATCH 4/8 ver5] " Boaz Harrosh
2009-03-31 8:04 ` Andrew Morton
2009-03-31 9:04 ` Boaz Harrosh
2009-03-31 10:15 ` Andrew Morton
2009-03-31 10:27 ` Boaz Harrosh
2009-03-18 18:08 ` [PATCH 5/8] exofs: dir_inode and directory operations Boaz Harrosh
2009-03-31 8:04 ` Andrew Morton
2009-03-31 10:22 ` Boaz Harrosh
2009-03-18 18:09 ` [PATCH 6/8] exofs: super_operations and file_system_type Boaz Harrosh
2009-03-31 8:04 ` Andrew Morton
2009-03-31 10:29 ` Boaz Harrosh
2009-03-31 18:52 ` [osd-dev] " Benny Halevy
2009-04-01 8:05 ` Boaz Harrosh [this message]
2009-04-01 9:06 ` Benny Halevy
2009-03-18 18:10 ` [PATCH 7/8] exofs: Documentation Boaz Harrosh
2009-03-21 13:26 ` Evgeniy Polyakov
2009-03-22 8:42 ` Boaz Harrosh
2009-03-18 18:11 ` [PATCH 8/8] fs: Add exofs to Kernel build Boaz Harrosh
2009-03-23 13:06 ` [PATCHSET 0/8 version 4] exofs for kernel 2.6.30 Boaz Harrosh
2009-03-24 9:07 ` Boaz Harrosh
2009-03-30 21:22 ` Andrew Morton
2009-03-31 3:01 ` Stephen Rothwell
2009-03-31 7:13 ` Evgeniy Polyakov
2009-03-31 7:20 ` Boaz Harrosh
2009-03-31 7:41 ` Boaz Harrosh
2009-03-31 8:04 ` Andrew Morton
[not found] ` <1237399056-29171-1-git-send-email-bharrosh@panasas.com>
2009-03-31 8:04 ` [PATCH 1/8] exofs: Kbuild, Headers and osd utils Andrew Morton
2009-03-31 8:57 ` Boaz Harrosh
2009-04-01 9:23 ` [PATCHSET 0/8 version 4] exofs for kernel 2.6.30 Jeff Garzik
2009-04-01 11:21 ` Boaz Harrosh
2009-04-02 0:39 ` Jeff Garzik
2009-04-02 12:49 ` Boaz Harrosh
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