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From: Hannes Reinecke <hare@suse.de>
To: Douglas Gilbert <dgilbert@interlog.com>, linux-scsi@vger.kernel.org
Cc: martin.petersen@oracle.com, jejb@linux.vnet.ibm.com
Subject: Re: [PATCH v5 13/23] sg: ioctl handling
Date: Fri, 18 Oct 2019 12:12:09 +0200	[thread overview]
Message-ID: <dbb1089b-dc56-7e6d-e969-6b0f8c9fd167@suse.de> (raw)
In-Reply-To: <20191008075022.30055-14-dgilbert@interlog.com>

On 10/8/19 9:50 AM, Douglas Gilbert wrote:
> Shorten sg_ioctl() by adding some helper functions. sg_ioctl()
> is the main entry point for ioctls used on this driver's
> devices.
> 
> Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
> ---
>  drivers/scsi/sg.c | 325 ++++++++++++++++++++++++++++------------------
>  1 file changed, 200 insertions(+), 125 deletions(-)
> 
> diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
> index 2796fef42837..90753f7759c7 100644
> --- a/drivers/scsi/sg.c
> +++ b/drivers/scsi/sg.c
> @@ -72,6 +72,9 @@ static char *sg_version_date = "20190606";
>   */
>  #define SG_MAX_CDB_SIZE 252
>  
> +#define uptr64(val) ((void __user *)(uintptr_t)(val))
> +#define cuptr64(val) ((const void __user *)(uintptr_t)(val))
> +
>  #define SG_DEFAULT_TIMEOUT mult_frac(SG_DEFAULT_TIMEOUT_USER, HZ, USER_HZ)
>  
>  /* Bit positions (flags) for sg_device::fdev_bm bitmask follow */

These defines are used only once; I'd rather drop them and do the
conversion in-place.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      Teamlead Storage & Networking
hare@suse.de			                  +49 911 74053 688
SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 247165 (AG München), GF: Felix Imendörffer

  reply	other threads:[~2019-10-18 10:12 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-08  7:49 [PATCH v5 00/23] sg: add v4 interface Douglas Gilbert
2019-10-08  7:50 ` [PATCH v5 01/23] sg: move functions around Douglas Gilbert
2019-10-08  7:50 ` [PATCH v5 02/23] sg: remove typedefs, type+formatting cleanup Douglas Gilbert
2019-10-08  7:50 ` [PATCH v5 03/23] sg: sg_log and is_enabled Douglas Gilbert
2019-10-08  7:50 ` [PATCH v5 04/23] sg: rework sg_poll(), minor changes Douglas Gilbert
2019-10-08  7:50 ` [PATCH v5 05/23] sg: bitops in sg_device Douglas Gilbert
2019-10-18 10:05   ` Hannes Reinecke
2019-10-21 13:22     ` Douglas Gilbert
2019-10-21 13:38       ` Hannes Reinecke
2019-10-08  7:50 ` [PATCH v5 06/23] sg: make open count an atomic Douglas Gilbert
2019-10-08  7:50 ` [PATCH v5 07/23] sg: move header to uapi section Douglas Gilbert
2019-10-08  7:50 ` [PATCH v5 08/23] sg: speed sg_poll and sg_get_num_waiting Douglas Gilbert
2019-10-08  7:50 ` [PATCH v5 09/23] sg: sg_allow_if_err_recovery and renames Douglas Gilbert
2019-10-08  7:50 ` [PATCH v5 10/23] sg: remove access_ok functions Douglas Gilbert
2019-10-08  7:50 ` [PATCH v5 11/23] sg: improve naming Douglas Gilbert
2019-10-18 10:06   ` Hannes Reinecke
2019-10-08  7:50 ` [PATCH v5 12/23] sg: change rwlock to spinlock Douglas Gilbert
2019-10-18 10:09   ` Hannes Reinecke
2019-10-08  7:50 ` [PATCH v5 13/23] sg: ioctl handling Douglas Gilbert
2019-10-18 10:12   ` Hannes Reinecke [this message]
2019-10-24  2:47     ` Douglas Gilbert
2019-10-08  7:50 ` [PATCH v5 14/23] sg: split sg_read Douglas Gilbert
2019-10-18 10:15   ` Hannes Reinecke
2019-10-08  7:50 ` [PATCH v5 15/23] sg: sg_common_write add structure for arguments Douglas Gilbert
2019-10-18 10:16   ` Hannes Reinecke
2019-10-08  7:50 ` [PATCH v5 16/23] sg: rework sg_vma_fault Douglas Gilbert
2019-10-18 10:17   ` Hannes Reinecke
2019-10-24  3:07     ` Douglas Gilbert
2019-10-08  7:50 ` [PATCH v5 17/23] sg: rework sg_mmap Douglas Gilbert
2019-10-18 10:18   ` Hannes Reinecke
2019-10-08  7:50 ` [PATCH v5 18/23] sg: replace sg_allow_access Douglas Gilbert
2019-10-18 10:20   ` Hannes Reinecke
2019-10-08  7:50 ` [PATCH v5 19/23] sg: rework scatter gather handling Douglas Gilbert
2019-10-18 10:22   ` Hannes Reinecke
2019-10-08  7:50 ` [PATCH v5 20/23] sg: introduce request state machine Douglas Gilbert
2019-10-18 10:25   ` Hannes Reinecke
2019-10-24  4:24     ` Douglas Gilbert
2019-10-24  5:51       ` Hannes Reinecke
2019-10-08  7:50 ` [PATCH v5 21/23] sg: sg_find_srp_by_id Douglas Gilbert
2019-10-18 10:27   ` Hannes Reinecke
2019-10-08  7:50 ` [PATCH v5 22/23] sg: sg_fill_request_element Douglas Gilbert
2019-10-18 10:29   ` Hannes Reinecke
2019-10-08  7:50 ` [PATCH v5 23/23] sg: printk change %p to %pK Douglas Gilbert

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