aboutsummaryrefslogtreecommitdiff
path: root/drivers/s390
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/block/dasd.c11
-rw-r--r--drivers/s390/block/dasd_diag.c2
-rw-r--r--drivers/s390/block/dasd_eckd.c2
-rw-r--r--drivers/s390/block/dasd_fba.c2
-rw-r--r--drivers/s390/block/dasd_genhd.c4
-rw-r--r--drivers/s390/block/dasd_int.h3
-rw-r--r--drivers/s390/block/dasd_ioctl.c15
-rw-r--r--drivers/s390/block/dcssblk.c17
-rw-r--r--drivers/s390/char/raw3270.c14
-rw-r--r--drivers/s390/char/tape_block.c25
-rw-r--r--drivers/s390/char/tape_class.c6
-rw-r--r--drivers/s390/char/vmlogrdr.c8
-rw-r--r--drivers/s390/char/vmur.c5
-rw-r--r--drivers/s390/net/claw.c2
-rw-r--r--drivers/s390/net/ctcm_mpc.c2
-rw-r--r--drivers/s390/scsi/zfcp_def.h2
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c34
-rw-r--r--drivers/s390/scsi/zfcp_fsf.h12
-rw-r--r--drivers/s390/scsi/zfcp_qdio.c1
19 files changed, 96 insertions, 71 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 0a225ccda02..4b76fca64a6 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2011,10 +2011,9 @@ static void dasd_flush_request_queue(struct dasd_block *block)
spin_unlock_irq(&block->request_queue_lock);
}
-static int dasd_open(struct inode *inp, struct file *filp)
+static int dasd_open(struct block_device *bdev, fmode_t mode)
{
- struct gendisk *disk = inp->i_bdev->bd_disk;
- struct dasd_block *block = disk->private_data;
+ struct dasd_block *block = bdev->bd_disk->private_data;
struct dasd_device *base = block->base;
int rc;
@@ -2052,9 +2051,8 @@ unlock:
return rc;
}
-static int dasd_release(struct inode *inp, struct file *filp)
+static int dasd_release(struct gendisk *disk, fmode_t mode)
{
- struct gendisk *disk = inp->i_bdev->bd_disk;
struct dasd_block *block = disk->private_data;
atomic_dec(&block->open_count);
@@ -2089,8 +2087,7 @@ dasd_device_operations = {
.owner = THIS_MODULE,
.open = dasd_open,
.release = dasd_release,
- .ioctl = dasd_ioctl,
- .compat_ioctl = dasd_compat_ioctl,
+ .locked_ioctl = dasd_ioctl,
.getgeo = dasd_getgeo,
};
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 85fcb437105..7844461a995 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -544,7 +544,7 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev,
}
cqr->retries = DIAG_MAX_RETRIES;
cqr->buildclk = get_clock();
- if (req->cmd_flags & REQ_FAILFAST)
+ if (blk_noretry_request(req))
set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
cqr->startdev = memdev;
cqr->memdev = memdev;
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 49f9d221e23..2e60d5f968c 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1700,7 +1700,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
recid++;
}
}
- if (req->cmd_flags & REQ_FAILFAST)
+ if (blk_noretry_request(req))
set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
cqr->startdev = startdev;
cqr->memdev = startdev;
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index 93d9b6452a9..7d442aeff3d 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -355,7 +355,7 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev,
recid++;
}
}
- if (req->cmd_flags & REQ_FAILFAST)
+ if (blk_noretry_request(req))
set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
cqr->startdev = memdev;
cqr->memdev = memdev;
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index aee6565aaf9..e99d566b69c 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -99,7 +99,7 @@ int dasd_scan_partitions(struct dasd_block *block)
struct block_device *bdev;
bdev = bdget_disk(block->gdp, 0);
- if (!bdev || blkdev_get(bdev, FMODE_READ, 1) < 0)
+ if (!bdev || blkdev_get(bdev, FMODE_READ) < 0)
return -ENODEV;
/*
* See fs/partition/check.c:register_disk,rescan_partitions
@@ -152,7 +152,7 @@ void dasd_destroy_partitions(struct dasd_block *block)
invalidate_partition(block->gdp, 0);
/* Matching blkdev_put to the blkdev_get in dasd_scan_partitions. */
- blkdev_put(bdev);
+ blkdev_put(bdev, FMODE_READ);
set_capacity(block->gdp, 0);
}
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 489d5fe488f..05a14536c36 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -610,8 +610,7 @@ int dasd_scan_partitions(struct dasd_block *);
void dasd_destroy_partitions(struct dasd_block *);
/* externals in dasd_ioctl.c */
-int dasd_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
-long dasd_compat_ioctl(struct file *, unsigned int, unsigned long);
+int dasd_ioctl(struct block_device *, fmode_t, unsigned int, unsigned long);
/* externals in dasd_proc.c */
int dasd_proc_init(void);
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 91a64630cb0..b82d816d9ef 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -366,10 +366,9 @@ static int dasd_ioctl_readall_cmb(struct dasd_block *block, unsigned int cmd,
}
int
-dasd_ioctl(struct inode *inode, struct file *file,
+dasd_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
- struct block_device *bdev = inode->i_bdev;
struct dasd_block *block = bdev->bd_disk->private_data;
void __user *argp = (void __user *)arg;
@@ -421,15 +420,3 @@ dasd_ioctl(struct inode *inode, struct file *file,
return -EINVAL;
}
}
-
-long
-dasd_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
- int rval;
-
- lock_kernel();
- rval = dasd_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg);
- unlock_kernel();
-
- return (rval == -EINVAL) ? -ENOIOCTLCMD : rval;
-}
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index a7ff167d5b8..63f26a135fe 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -31,8 +31,8 @@
#define PRINT_WARN(x...) printk(KERN_WARNING DCSSBLK_NAME " warning: " x)
#define PRINT_ERR(x...) printk(KERN_ERR DCSSBLK_NAME " error: " x)
-static int dcssblk_open(struct inode *inode, struct file *filp);
-static int dcssblk_release(struct inode *inode, struct file *filp);
+static int dcssblk_open(struct block_device *bdev, fmode_t mode);
+static int dcssblk_release(struct gendisk *disk, fmode_t mode);
static int dcssblk_make_request(struct request_queue *q, struct bio *bio);
static int dcssblk_direct_access(struct block_device *bdev, sector_t secnum,
void **kaddr, unsigned long *pfn);
@@ -776,32 +776,31 @@ out_buf:
}
static int
-dcssblk_open(struct inode *inode, struct file *filp)
+dcssblk_open(struct block_device *bdev, fmode_t mode)
{
struct dcssblk_dev_info *dev_info;
int rc;
- dev_info = inode->i_bdev->bd_disk->private_data;
+ dev_info = bdev->bd_disk->private_data;
if (NULL == dev_info) {
rc = -ENODEV;
goto out;
}
atomic_inc(&dev_info->use_count);
- inode->i_bdev->bd_block_size = 4096;
+ bdev->bd_block_size = 4096;
rc = 0;
out:
return rc;
}
static int
-dcssblk_release(struct inode *inode, struct file *filp)
+dcssblk_release(struct gendisk *disk, fmode_t mode)
{
- struct dcssblk_dev_info *dev_info;
+ struct dcssblk_dev_info *dev_info = disk->private_data;
struct segment_info *entry;
int rc;
- dev_info = inode->i_bdev->bd_disk->private_data;
- if (NULL == dev_info) {
+ if (!dev_info) {
rc = -ENODEV;
goto out;
}
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 1792b2c0130..0b15cf107ec 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -1168,19 +1168,17 @@ static int raw3270_create_attributes(struct raw3270 *rp)
if (rc)
goto out;
- rp->clttydev = device_create_drvdata(class3270, &rp->cdev->dev,
- MKDEV(IBM_TTY3270_MAJOR, rp->minor),
- NULL,
- "tty%s", dev_name(&rp->cdev->dev));
+ rp->clttydev = device_create(class3270, &rp->cdev->dev,
+ MKDEV(IBM_TTY3270_MAJOR, rp->minor), NULL,
+ "tty%s", dev_name(&rp->cdev->dev));
if (IS_ERR(rp->clttydev)) {
rc = PTR_ERR(rp->clttydev);
goto out_ttydev;
}
- rp->cltubdev = device_create_drvdata(class3270, &rp->cdev->dev,
- MKDEV(IBM_FS3270_MAJOR, rp->minor),
- NULL,
- "tub%s", dev_name(&rp->cdev->dev));
+ rp->cltubdev = device_create(class3270, &rp->cdev->dev,
+ MKDEV(IBM_FS3270_MAJOR, rp->minor), NULL,
+ "tub%s", dev_name(&rp->cdev->dev));
if (!IS_ERR(rp->cltubdev))
goto out;
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index a25b8bf54f4..023803dbb0c 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -43,9 +43,9 @@
/*
* file operation structure for tape block frontend
*/
-static int tapeblock_open(struct inode *, struct file *);
-static int tapeblock_release(struct inode *, struct file *);
-static int tapeblock_ioctl(struct inode *, struct file *, unsigned int,
+static int tapeblock_open(struct block_device *, fmode_t);
+static int tapeblock_release(struct gendisk *, fmode_t);
+static int tapeblock_ioctl(struct block_device *, fmode_t, unsigned int,
unsigned long);
static int tapeblock_medium_changed(struct gendisk *);
static int tapeblock_revalidate_disk(struct gendisk *);
@@ -54,7 +54,7 @@ static struct block_device_operations tapeblock_fops = {
.owner = THIS_MODULE,
.open = tapeblock_open,
.release = tapeblock_release,
- .ioctl = tapeblock_ioctl,
+ .locked_ioctl = tapeblock_ioctl,
.media_changed = tapeblock_medium_changed,
.revalidate_disk = tapeblock_revalidate_disk,
};
@@ -364,13 +364,12 @@ tapeblock_medium_changed(struct gendisk *disk)
* Block frontend tape device open function.
*/
static int
-tapeblock_open(struct inode *inode, struct file *filp)
+tapeblock_open(struct block_device *bdev, fmode_t mode)
{
- struct gendisk * disk;
+ struct gendisk * disk = bdev->bd_disk;
struct tape_device * device;
int rc;
- disk = inode->i_bdev->bd_disk;
device = tape_get_device_reference(disk->private_data);
if (device->required_tapemarks) {
@@ -410,9 +409,8 @@ release:
* we just get the pointer here and release the reference.
*/
static int
-tapeblock_release(struct inode *inode, struct file *filp)
+tapeblock_release(struct gendisk *disk, fmode_t mode)
{
- struct gendisk *disk = inode->i_bdev->bd_disk;
struct tape_device *device = disk->private_data;
tape_state_set(device, TS_IN_USE);
@@ -427,22 +425,21 @@ tapeblock_release(struct inode *inode, struct file *filp)
*/
static int
tapeblock_ioctl(
- struct inode * inode,
- struct file * file,
+ struct block_device * bdev,
+ fmode_t mode,
unsigned int command,
unsigned long arg
) {
int rc;
int minor;
- struct gendisk *disk;
+ struct gendisk *disk = bdev->bd_disk;
struct tape_device *device;
rc = 0;
- disk = inode->i_bdev->bd_disk;
BUG_ON(!disk);
device = disk->private_data;
BUG_ON(!device);
- minor = iminor(inode);
+ minor = MINOR(bdev->bd_dev);
DBF_LH(6, "tapeblock_ioctl(0x%0x)\n", command);
DBF_LH(6, "device = %d:%d\n", tapeblock_major, minor);
diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c
index 12c2a5aaf31..ddc914ccea8 100644
--- a/drivers/s390/char/tape_class.c
+++ b/drivers/s390/char/tape_class.c
@@ -69,9 +69,9 @@ struct tape_class_device *register_tape_dev(
if (rc)
goto fail_with_cdev;
- tcd->class_device = device_create_drvdata(tape_class, device,
- tcd->char_device->dev,
- NULL, "%s", tcd->device_name);
+ tcd->class_device = device_create(tape_class, device,
+ tcd->char_device->dev, NULL,
+ "%s", tcd->device_name);
rc = IS_ERR(tcd->class_device) ? PTR_ERR(tcd->class_device) : 0;
if (rc)
goto fail_with_cdev;
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index 42173cc3461..24762727bc2 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -747,10 +747,10 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv)
device_unregister(dev);
return ret;
}
- priv->class_device = device_create_drvdata(vmlogrdr_class, dev,
- MKDEV(vmlogrdr_major,
- priv->minor_num),
- priv, "%s", dev_name(dev));
+ priv->class_device = device_create(vmlogrdr_class, dev,
+ MKDEV(vmlogrdr_major,
+ priv->minor_num),
+ priv, "%s", dev_name(dev));
if (IS_ERR(priv->class_device)) {
ret = PTR_ERR(priv->class_device);
priv->class_device=NULL;
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c
index 6fdfa5ddeca..9020eba620e 100644
--- a/drivers/s390/char/vmur.c
+++ b/drivers/s390/char/vmur.c
@@ -896,9 +896,8 @@ static int ur_set_online(struct ccw_device *cdev)
goto fail_free_cdev;
}
- urd->device = device_create_drvdata(vmur_class, NULL,
- urd->char_device->dev, NULL,
- "%s", node_id);
+ urd->device = device_create(vmur_class, NULL, urd->char_device->dev,
+ NULL, "%s", node_id);
if (IS_ERR(urd->device)) {
rc = PTR_ERR(urd->device);
TRACE("ur_set_online: device_create rc=%d\n", rc);
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index 8f83fc994f5..f5e618562c5 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -2913,7 +2913,7 @@ claw_new_device(struct ccwgroup_device *cgdev)
if (ret != 0) {
printk(KERN_WARNING
"claw: ccw_device_set_online %s WRITE failed "
- "with ret = %d\n", dev_name(&cgdev->cdev[WRITE]->dev)
+ "with ret = %d\n", dev_name(&cgdev->cdev[WRITE]->dev),
ret);
goto out;
}
diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c
index cbe470493bf..19f5d5ed85e 100644
--- a/drivers/s390/net/ctcm_mpc.c
+++ b/drivers/s390/net/ctcm_mpc.c
@@ -1673,7 +1673,7 @@ static int mpc_validate_xid(struct mpcg_info *mpcginfo)
done:
if (rc) {
- ctcm_pr_info("ctcmpc : %s() failed\n", __FUNCTION__);
+ ctcm_pr_info("ctcmpc : %s() failed\n", __func__);
priv->xid->xid2_flag2 = 0x40;
grp->saved_xid2->xid2_flag2 = 0x40;
}
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 8a13071c444..9ce4c75bd19 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -583,6 +583,8 @@ struct zfcp_fsf_req {
unsigned long long issued; /* request sent time (STCK) */
struct zfcp_unit *unit;
void (*handler)(struct zfcp_fsf_req *);
+ u16 qdio_outb_usage;/* usage of outbound queue */
+ u16 qdio_inb_usage; /* usage of inbound queue */
};
/* driver data */
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 739356a5c12..5ae1d497e5e 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -6,6 +6,7 @@
* Copyright IBM Corporation 2002, 2008
*/
+#include <linux/blktrace_api.h>
#include "zfcp_ext.h"
static void zfcp_fsf_request_timeout_handler(unsigned long data)
@@ -777,6 +778,7 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *req)
list_add_tail(&req->list, &adapter->req_list[idx]);
spin_unlock(&adapter->req_list_lock);
+ req->qdio_outb_usage = atomic_read(&req_q->count);
req->issued = get_clock();
if (zfcp_qdio_send(req)) {
/* Queues are down..... */
@@ -2082,6 +2084,36 @@ static void zfcp_fsf_req_latency(struct zfcp_fsf_req *req)
spin_unlock_irqrestore(&unit->latencies.lock, flags);
}
+#ifdef CONFIG_BLK_DEV_IO_TRACE
+static void zfcp_fsf_trace_latency(struct zfcp_fsf_req *fsf_req)
+{
+ struct fsf_qual_latency_info *lat_inf;
+ struct scsi_cmnd *scsi_cmnd = (struct scsi_cmnd *)fsf_req->data;
+ struct request *req = scsi_cmnd->request;
+ struct zfcp_blk_drv_data trace;
+ int ticks = fsf_req->adapter->timer_ticks;
+
+ trace.flags = 0;
+ trace.magic = ZFCP_BLK_DRV_DATA_MAGIC;
+ if (fsf_req->adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA) {
+ trace.flags |= ZFCP_BLK_LAT_VALID;
+ lat_inf = &fsf_req->qtcb->prefix.prot_status_qual.latency_info;
+ trace.channel_lat = lat_inf->channel_lat * ticks;
+ trace.fabric_lat = lat_inf->fabric_lat * ticks;
+ }
+ if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR)
+ trace.flags |= ZFCP_BLK_REQ_ERROR;
+ trace.inb_usage = fsf_req->qdio_inb_usage;
+ trace.outb_usage = fsf_req->qdio_outb_usage;
+
+ blk_add_driver_data(req->q, req, &trace, sizeof(trace));
+}
+#else
+static inline void zfcp_fsf_trace_latency(struct zfcp_fsf_req *fsf_req)
+{
+}
+#endif
+
static void zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *req)
{
struct scsi_cmnd *scpnt = req->data;
@@ -2114,6 +2146,8 @@ static void zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *req)
if (req->adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA)
zfcp_fsf_req_latency(req);
+ zfcp_fsf_trace_latency(req);
+
if (unlikely(fcp_rsp_iu->validity.bits.fcp_rsp_len_valid)) {
if (fcp_rsp_info[3] == RSP_CODE_GOOD)
set_host_byte(scpnt, DID_OK);
diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h
index fd3a88777ac..fa2a3178061 100644
--- a/drivers/s390/scsi/zfcp_fsf.h
+++ b/drivers/s390/scsi/zfcp_fsf.h
@@ -439,4 +439,16 @@ struct fsf_qtcb {
u8 log[FSF_QTCB_LOG_SIZE];
} __attribute__ ((packed));
+struct zfcp_blk_drv_data {
+#define ZFCP_BLK_DRV_DATA_MAGIC 0x1
+ u32 magic;
+#define ZFCP_BLK_LAT_VALID 0x1
+#define ZFCP_BLK_REQ_ERROR 0x2
+ u16 flags;
+ u8 inb_usage;
+ u8 outb_usage;
+ u64 channel_lat;
+ u64 fabric_lat;
+} __attribute__ ((packed));
+
#endif /* FSF_H */
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index 3e05080e62d..664752f90b2 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -115,6 +115,7 @@ static void zfcp_qdio_reqid_check(struct zfcp_adapter *adapter,
spin_unlock_irqrestore(&adapter->req_list_lock, flags);
fsf_req->sbal_response = sbal_idx;
+ fsf_req->qdio_inb_usage = atomic_read(&adapter->resp_q.count);
zfcp_fsf_req_complete(fsf_req);
}