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Date: Mon, 28 Aug 2017 16:41:27 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: James Bottomley <James.Bottomley@...senPartnership.com>,
Greg KH <greg@...ah.com>
Cc: Linux-Next Mailing List <linux-next@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Hannes Reinecke <hare@...e.de>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
Sameer Wadgaonkar <sameer.wadgaonkar@...sys.com>
Subject: linux-next: manual merge of the scsi tree with the staging tree
Hi James,
Today's linux-next merge of the scsi tree got a conflict in:
drivers/staging/unisys/visorhba/visorhba_main.c
between commits:
781facd05eb9 ("staging: unisys: visorhba: visorhba_main.c: fixed comment formatting issues")
from the staging tree and commit:
7bc4e528d9f6 ("scsi: visorhba: sanitze private device data allocation")
from the scsi tree.
I fixed it up (see below) and can carry the fix as necessary. This
is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging. You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.
--
Cheers,
Stephen Rothwell
diff --cc drivers/staging/unisys/visorhba/visorhba_main.c
index 8567e447891e,ddce92552ff5..000000000000
--- a/drivers/staging/unisys/visorhba/visorhba_main.c
+++ b/drivers/staging/unisys/visorhba/visorhba_main.c
@@@ -44,12 -44,11 +44,11 @@@ static struct visor_channeltype_descrip
};
MODULE_DEVICE_TABLE(visorbus, visorhba_channel_types);
-MODULE_ALIAS("visorbus:" VISOR_VHBA_CHANNEL_UUID_STR);
+MODULE_ALIAS("visorbus:" VISOR_VHBA_CHANNEL_GUID_STR);
struct visordisk_info {
+ struct scsi_device *sdev;
u32 valid;
- /* Disk Path */
- u32 channel, id, lun;
atomic_t ios_threshold;
atomic_t error_count;
struct visordisk_info *next;
@@@ -105,25 -101,19 +104,19 @@@ struct visorhba_devices_open
struct visorhba_devdata *devdata;
};
- #define for_each_vdisk_match(iter, list, match) \
- for (iter = &list->head; iter->next; iter = iter->next) \
- if ((iter->channel == match->channel) && \
- (iter->id == match->id) && \
- (iter->lun == match->lun))
-
/*
- * visor_thread_start - starts a thread for the device
- * @threadfn: Function the thread starts
- * @thrcontext: Context to pass to the thread, i.e. devdata
- * @name: string describing name of thread
+ * visor_thread_start - Starts a thread for the device
+ * @threadfn: Function the thread starts
+ * @thrcontext: Context to pass to the thread, i.e. devdata
+ * @name: String describing name of thread
*
- * Starts a thread for the device.
+ * Starts a thread for the device.
*
- * Return the task_struct * denoting the thread on success,
- * or NULL on failure
+ * Return: The task_struct * denoting the thread on success,
+ * or NULL on failure
*/
-static struct task_struct *visor_thread_start
-(int (*threadfn)(void *), void *thrcontext, char *name)
+static struct task_struct *visor_thread_start(int (*threadfn)(void *),
+ void *thrcontext, char *name)
{
struct task_struct *task;
@@@ -302,21 -280,19 +295,20 @@@ static void cleanup_scsitaskmgmt_handle
}
/*
- * forward_taskmgmt_command - send taskmegmt command to the Service
- * Partition
- * @tasktype: Type of taskmgmt command
- * @scsidev: Scsidev that issued command
+ * forward_taskmgmt_command - Send taskmegmt command to the Service
+ * Partition
+ * @tasktype: Type of taskmgmt command
+ * @scsidev: Scsidev that issued command
*
- * Create a cmdrsp packet and send it to the Serivce Partition
- * that will service this request.
- * Returns whether the command was queued successfully or not.
+ * Create a cmdrsp packet and send it to the Serivce Partition
+ * that will service this request.
+ *
+ * Return: Int representing whether command was queued successfully or not
*/
static int forward_taskmgmt_command(enum task_mgmt_types tasktype,
- struct scsi_cmnd *scsicmd)
+ struct scsi_device *scsidev)
{
struct uiscmdrsp *cmdrsp;
- struct scsi_device *scsidev = scsicmd->device;
struct visorhba_devdata *devdata =
(struct visorhba_devdata *)scsidev->host->hostdata;
int notifyresult = 0xffff;
@@@ -607,24 -570,19 +604,21 @@@ static int visorhba_slave_alloc(struct
struct visorhba_devdata *devdata;
struct Scsi_Host *scsihost = (struct Scsi_Host *)scsidev->host;
++ /* already allocated return success */
+ if (scsidev->hostdata)
- return 0; /* already allocated return success */
++ return 0;
+
+ /* even though we errored, treat as success */
devdata = (struct visorhba_devdata *)scsihost->hostdata;
if (!devdata)
- return 0; /* even though we errored, treat as success */
+ return 0;
- /* already allocated return success */
- for_each_vdisk_match(vdisk, devdata, scsidev)
- return 0;
-
- tmpvdisk = kzalloc(sizeof(*tmpvdisk), GFP_ATOMIC);
- if (!tmpvdisk)
+ vdisk = kzalloc(sizeof(*vdisk), GFP_ATOMIC);
+ if (!vdisk)
return -ENOMEM;
- tmpvdisk->channel = scsidev->channel;
- tmpvdisk->id = scsidev->id;
- tmpvdisk->lun = scsidev->lun;
- vdisk->next = tmpvdisk;
+ vdisk->sdev = scsidev;
+ scsidev->hostdata = vdisk;
return 0;
}
@@@ -814,16 -766,16 +802,15 @@@ static int visorhba_serverdown(struct v
}
/*
- * do_scsi_linuxstat - scsi command returned linuxstat
- * @cmdrsp: response from IOVM
- * @scsicmd: Command issued.
+ * do_scsi_linuxstat - Scsi command returned linuxstat
+ * @cmdrsp: Response from IOVM
+ * @scsicmd: Command issued
*
- * Don't log errors for disk-not-present inquiries
- * Returns void
+ * Don't log errors for disk-not-present inquiries.
*/
-static void
-do_scsi_linuxstat(struct uiscmdrsp *cmdrsp, struct scsi_cmnd *scsicmd)
+static void do_scsi_linuxstat(struct uiscmdrsp *cmdrsp,
+ struct scsi_cmnd *scsicmd)
{
- struct visorhba_devdata *devdata;
struct visordisk_info *vdisk;
struct scsi_device *scsidev;
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