linux-kernel - Re: [patch 0/2] [V4] block: Support online resize of disk partitions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4FFC387F.3070308@ubuntu.com>
Date:	Tue, 10 Jul 2012 10:13:19 -0400
From:	Phillip Susi <psusi@...ntu.com>
To:	Vivek Goyal <vgoyal@...hat.com>
CC:	linux-kernel@...r.kernel.org, axboe@...nel.dk, dm-devel@...hat.com,
	kzak@...hat.com, maxim.patlasov@...il.com
Subject: Re: [patch 0/2] [V4] block: Support online resize of disk partitions

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 7/10/2012 9:57 AM, Vivek Goyal wrote:
> +static inline sector_t part_nr_sects_read(struct hd_struct *part) 
> +{ +#if BITS_PER_LONG==32 && defined(CONFIG_LBDAF) &&
> defined(CONFIG_SMP) +	sector_t nr_sects; +	unsigned seq; +	do { +
> seq = read_seqcount_begin(&part->nr_sects_seq); +		nr_sects =
> part->nr_sects; +	} while (read_seqcount_retry(&part->nr_sects_seq,
> seq)); +	return nr_sects; +#elif BITS_PER_LONG==32 &&
> defined(CONFIG_PREEMPT)

Shouldn't this be BITS_PER_LONG==32 && defined(CONFIG_LBDAF) &&
defined(CONFIG_PREEMPT)?  No sense disabling preemption when the
sector size is also 32 bits.

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.17 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iQEcBAEBAgAGBQJP/Dh/AAoJEJrBOlT6nu75ussIANfCKaObXMJ6JhCNLSeiHUqr
FfBd6p2lJIFd73NSymyigZZ1/rPsy9TpMBlcMwpuFh2erxQ7q3rFnP0O52fEgm2+
20c9+oeUGkzYx62fh0KtfrzBpzhiHOivKR/muAZcfNbb75iKTGrZSZUFrdqAqHci
4zCuu8T37BRo4G9TGdIXD1WT3sltZ7yOk4I7RBhAIDkbt82vVakZ6mlW9hyWmyvD
/sMnXMmkNjwTDdhQj2ho9mn9SFcnDA+aAtJfPXjVAT0W9CKNDYbXw28ud+ARxo5T
rkTjoewdxKffZsBmkkSiNCuLWwpkZng+nTchQjyZbmp/pl4UPlQOfcUb6YxpDX4=
=1tUj
-----END PGP SIGNATURE-----
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/