From a30e3441325ba4011ddf125932cda21ca820c0bb Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 26 Nov 2021 13:18:02 +0100 Subject: [PATCH] scsi: remove the gendisk argument to scsi_ioctl Now that blk_execute_rq does not take a gendisk argument there is no need to pass it through the scsi_ioctl callchain either. Signed-off-by: Christoph Hellwig Reviewed-by: Chaitanya Kulkarni Reviewed-by: Martin K. Petersen Link: https://lore.kernel.org/r/20211126121802.2090656-6-hch@lst.de Signed-off-by: Jens Axboe --- drivers/scsi/ch.c | 2 +- drivers/scsi/scsi_ioctl.c | 39 +++++++++++++++------------------------ drivers/scsi/sd.c | 2 +- drivers/scsi/sg.c | 4 ++-- drivers/scsi/sr.c | 5 ++--- drivers/scsi/st.c | 2 +- include/scsi/scsi_ioctl.h | 4 ++-- 7 files changed, 24 insertions(+), 34 deletions(-) diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c index 27012908b586..6fa300daa31e 100644 --- a/drivers/scsi/ch.c +++ b/drivers/scsi/ch.c @@ -877,7 +877,7 @@ static long ch_ioctl(struct file *file, } default: - return scsi_ioctl(ch->device, NULL, file->f_mode, cmd, argp); + return scsi_ioctl(ch->device, file->f_mode, cmd, argp); } } diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c index 340ba0ad6e70..e13fd380deb6 100644 --- a/drivers/scsi/scsi_ioctl.c +++ b/drivers/scsi/scsi_ioctl.c @@ -408,8 +408,7 @@ static int scsi_complete_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr, return ret; } -static int sg_io(struct scsi_device *sdev, struct gendisk *disk, - struct sg_io_hdr *hdr, fmode_t mode) +static int sg_io(struct scsi_device *sdev, struct sg_io_hdr *hdr, fmode_t mode) { unsigned long start_time; ssize_t ret = 0; @@ -499,19 +498,12 @@ out_put_request: /** * sg_scsi_ioctl -- handle deprecated SCSI_IOCTL_SEND_COMMAND ioctl * @q: request queue to send scsi commands down - * @disk: gendisk to operate on (option) * @mode: mode used to open the file through which the ioctl has been * submitted * @sic: userspace structure describing the command to perform * * Send down the scsi command described by @sic to the device below - * the request queue @q. If @file is non-NULL it's used to perform - * fine-grained permission checks that allow users to send down - * non-destructive SCSI commands. If the caller has a struct gendisk - * available it should be passed in as @disk to allow the low level - * driver to use the information contained in it. A non-NULL @disk - * is only allowed if the caller knows that the low level driver doesn't - * need it (e.g. in the scsi subsystem). + * the request queue @q. * * Notes: * - This interface is deprecated - users should use the SG_IO @@ -530,8 +522,8 @@ out_put_request: * Positive numbers returned are the compacted SCSI error codes (4 * bytes in one int) where the lowest byte is the SCSI status. */ -static int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, - fmode_t mode, struct scsi_ioctl_command __user *sic) +static int sg_scsi_ioctl(struct request_queue *q, fmode_t mode, + struct scsi_ioctl_command __user *sic) { enum { OMAX_SB_LEN = 16 }; /* For backward compatibility */ struct request *rq; @@ -806,8 +798,8 @@ static int scsi_put_cdrom_generic_arg(const struct cdrom_generic_command *cgc, return 0; } -static int scsi_cdrom_send_packet(struct scsi_device *sdev, struct gendisk *disk, - fmode_t mode, void __user *arg) +static int scsi_cdrom_send_packet(struct scsi_device *sdev, fmode_t mode, + void __user *arg) { struct cdrom_generic_command cgc; struct sg_io_hdr hdr; @@ -847,7 +839,7 @@ static int scsi_cdrom_send_packet(struct scsi_device *sdev, struct gendisk *disk hdr.cmdp = ((struct cdrom_generic_command __user *) arg)->cmd; hdr.cmd_len = sizeof(cgc.cmd); - err = sg_io(sdev, disk, &hdr, mode); + err = sg_io(sdev, &hdr, mode); if (err == -EFAULT) return -EFAULT; @@ -862,8 +854,8 @@ static int scsi_cdrom_send_packet(struct scsi_device *sdev, struct gendisk *disk return err; } -static int scsi_ioctl_sg_io(struct scsi_device *sdev, struct gendisk *disk, - fmode_t mode, void __user *argp) +static int scsi_ioctl_sg_io(struct scsi_device *sdev, fmode_t mode, + void __user *argp) { struct sg_io_hdr hdr; int error; @@ -871,7 +863,7 @@ static int scsi_ioctl_sg_io(struct scsi_device *sdev, struct gendisk *disk, error = get_sg_io_hdr(&hdr, argp); if (error) return error; - error = sg_io(sdev, disk, &hdr, mode); + error = sg_io(sdev, &hdr, mode); if (error == -EFAULT) return error; if (put_sg_io_hdr(&hdr, argp)) @@ -882,7 +874,6 @@ static int scsi_ioctl_sg_io(struct scsi_device *sdev, struct gendisk *disk, /** * scsi_ioctl - Dispatch ioctl to scsi device * @sdev: scsi device receiving ioctl - * @disk: disk receiving the ioctl * @mode: mode the block/char device is opened with * @cmd: which ioctl is it * @arg: data associated with ioctl @@ -891,8 +882,8 @@ static int scsi_ioctl_sg_io(struct scsi_device *sdev, struct gendisk *disk, * does not take a major/minor number as the dev field. Rather, it takes * a pointer to a &struct scsi_device. */ -int scsi_ioctl(struct scsi_device *sdev, struct gendisk *disk, fmode_t mode, - int cmd, void __user *arg) +int scsi_ioctl(struct scsi_device *sdev, fmode_t mode, int cmd, + void __user *arg) { struct request_queue *q = sdev->request_queue; struct scsi_sense_hdr sense_hdr; @@ -927,11 +918,11 @@ int scsi_ioctl(struct scsi_device *sdev, struct gendisk *disk, fmode_t mode, case SG_EMULATED_HOST: return sg_emulated_host(q, arg); case SG_IO: - return scsi_ioctl_sg_io(sdev, disk, mode, arg); + return scsi_ioctl_sg_io(sdev, mode, arg); case SCSI_IOCTL_SEND_COMMAND: - return sg_scsi_ioctl(q, disk, mode, arg); + return sg_scsi_ioctl(q, mode, arg); case CDROM_SEND_PACKET: - return scsi_cdrom_send_packet(sdev, disk, mode, arg); + return scsi_cdrom_send_packet(sdev, mode, arg); case CDROMCLOSETRAY: return scsi_send_start_stop(sdev, 3); case CDROMEJECT: diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 8181857ddf53..5ddb8e053a8e 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1574,7 +1574,7 @@ static int sd_ioctl(struct block_device *bdev, fmode_t mode, if (is_sed_ioctl(cmd)) return sed_ioctl(sdkp->opal_dev, cmd, p); - return scsi_ioctl(sdp, disk, mode, cmd, p); + return scsi_ioctl(sdp, mode, cmd, p); } static void set_media_not_present(struct scsi_disk *sdkp) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 6c8ffad88f9e..ad12b3261845 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1109,7 +1109,7 @@ sg_ioctl_common(struct file *filp, Sg_device *sdp, Sg_fd *sfp, case SCSI_IOCTL_SEND_COMMAND: if (atomic_read(&sdp->detaching)) return -ENODEV; - return scsi_ioctl(sdp->device, NULL, filp->f_mode, cmd_in, p); + return scsi_ioctl(sdp->device, filp->f_mode, cmd_in, p); case SG_SET_DEBUG: result = get_user(val, ip); if (result) @@ -1165,7 +1165,7 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg) ret = sg_ioctl_common(filp, sdp, sfp, cmd_in, p); if (ret != -ENOIOCTLCMD) return ret; - return scsi_ioctl(sdp->device, NULL, filp->f_mode, cmd_in, p); + return scsi_ioctl(sdp->device, filp->f_mode, cmd_in, p); } static __poll_t diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index c29589815468..14c122839c40 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -561,8 +561,7 @@ static void sr_block_release(struct gendisk *disk, fmode_t mode) static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, unsigned long arg) { - struct gendisk *disk = bdev->bd_disk; - struct scsi_cd *cd = scsi_cd(disk); + struct scsi_cd *cd = scsi_cd(bdev->bd_disk); struct scsi_device *sdev = cd->device; void __user *argp = (void __user *)arg; int ret; @@ -584,7 +583,7 @@ static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, if (ret != -ENOSYS) goto put; } - ret = scsi_ioctl(sdev, disk, mode, cmd, argp); + ret = scsi_ioctl(sdev, mode, cmd, argp); put: scsi_autopm_put_device(sdev); diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 06acc7db7755..e869e90e05af 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -3829,7 +3829,7 @@ static long st_ioctl(struct file *file, unsigned int cmd_in, unsigned long arg) break; } - retval = scsi_ioctl(STp->device, NULL, file->f_mode, cmd_in, p); + retval = scsi_ioctl(STp->device, file->f_mode, cmd_in, p); if (!retval && cmd_in == SCSI_IOCTL_STOP_UNIT) { /* unload */ STp->rew_at_close = 0; diff --git a/include/scsi/scsi_ioctl.h b/include/scsi/scsi_ioctl.h index d2cb9aeaf1f1..beac64e38b87 100644 --- a/include/scsi/scsi_ioctl.h +++ b/include/scsi/scsi_ioctl.h @@ -45,8 +45,8 @@ typedef struct scsi_fctargaddress { int scsi_ioctl_block_when_processing_errors(struct scsi_device *sdev, int cmd, bool ndelay); -int scsi_ioctl(struct scsi_device *sdev, struct gendisk *disk, fmode_t mode, - int cmd, void __user *arg); +int scsi_ioctl(struct scsi_device *sdev, fmode_t mode, int cmd, + void __user *arg); int get_sg_io_hdr(struct sg_io_hdr *hdr, const void __user *argp); int put_sg_io_hdr(const struct sg_io_hdr *hdr, void __user *argp); bool scsi_cmd_allowed(unsigned char *cmd, fmode_t mode);