* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (37 commits)
[SCSI] zfcp: fix double dbf id usage
[SCSI] zfcp: wait on SCSI work to be finished before proceeding with init dev
[SCSI] zfcp: fix erp list usage without using locks
[SCSI] zfcp: prevent fc_remote_port_delete calls for unregistered rport
[SCSI] zfcp: fix deadlock caused by shared work queue tasks
[SCSI] zfcp: put threshold data in hba trace
[SCSI] zfcp: Simplify zfcp data structures
[SCSI] zfcp: Simplify get_adapter_by_busid
[SCSI] zfcp: remove all typedefs and replace them with standards
[SCSI] zfcp: attach and release SAN nameserver port on demand
[SCSI] zfcp: remove unused references, declarations and flags
[SCSI] zfcp: Update message with input from review
[SCSI] zfcp: add queue_full sysfs attribute
[SCSI] scsi_dh: suppress comparison warning
[SCSI] scsi_dh: add Dell product information into rdac device handler
[SCSI] qla2xxx: remove the unused SCSI_QLOGIC_FC_FIRMWARE option
[SCSI] qla2xxx: fix printk format warnings
[SCSI] qla2xxx: Update version number to 8.02.01-k8.
[SCSI] qla2xxx: Ignore payload reserved-bits during RSCN processing.
[SCSI] qla2xxx: Additional residual-count corrections during UNDERRUN handling.
...
#include <linux/blkdev.h>
#include <linux/mutex.h>
#include <linux/scatterlist.h>
+ #include <linux/string_helpers.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
mutex_lock(&open_lock);
md->usage--;
if (md->usage == 0) {
- int devidx = md->disk->first_minor >> MMC_SHIFT;
+ int devidx = MINOR(disk_devt(md->disk)) >> MMC_SHIFT;
__clear_bit(devidx, dev_use);
put_disk(md->disk);
struct mmc_blk_data *md;
int err;
+ char cap_str[10];
+
/*
* Check that the card supports the command class(es) we need.
*/
if (err)
goto out;
- printk(KERN_INFO "%s: %s %s %lluKiB %s\n",
+ string_get_size(get_capacity(md->disk) << 9, STRING_UNITS_2,
+ cap_str, sizeof(cap_str));
+ printk(KERN_INFO "%s: %s %s %s %s\n",
md->disk->disk_name, mmc_card_id(card), mmc_card_name(card),
- (unsigned long long)(get_capacity(md->disk) >> 1),
- md->read_only ? "(ro)" : "");
+ cap_str, md->read_only ? "(ro)" : "");
mmc_set_drvdata(card, md);
add_disk(md->disk);
if (lun == task->sc->device->lun || lun == -1) {
debug_scsi("failing in progress sc %p itt 0x%x\n",
task->sc, task->itt);
- fail_command(conn, task, DID_BUS_BUSY << 16);
+ fail_command(conn, task, error << 16);
}
}
}
scsi_queue_work(conn->session->host, &conn->xmitwork);
}
-static enum scsi_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd)
+static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd)
{
struct iscsi_cls_session *cls_session;
struct iscsi_session *session;
struct iscsi_conn *conn;
- enum scsi_eh_timer_return rc = EH_NOT_HANDLED;
+ enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED;
cls_session = starget_to_session(scsi_target(scmd->device));
session = cls_session->dd_data;
* We are probably in the middle of iscsi recovery so let
* that complete and handle the error.
*/
- rc = EH_RESET_TIMER;
+ rc = BLK_EH_RESET_TIMER;
goto done;
}
conn = session->leadconn;
if (!conn) {
/* In the middle of shuting down */
- rc = EH_RESET_TIMER;
+ rc = BLK_EH_RESET_TIMER;
goto done;
}
*/
if (time_before_eq(conn->last_recv + (conn->recv_timeout * HZ) +
(conn->ping_timeout * HZ), jiffies))
- rc = EH_RESET_TIMER;
+ rc = BLK_EH_RESET_TIMER;
/*
* if we are about to check the transport then give the command
* more time
*/
if (time_before_eq(conn->last_recv + (conn->recv_timeout * HZ),
jiffies))
- rc = EH_RESET_TIMER;
+ rc = BLK_EH_RESET_TIMER;
/* if in the middle of checking the transport then give us more time */
if (conn->ping_task)
- rc = EH_RESET_TIMER;
+ rc = BLK_EH_RESET_TIMER;
done:
spin_unlock(&session->lock);
- debug_scsi("return %s\n", rc == EH_RESET_TIMER ? "timer reset" : "nh");
+ debug_scsi("return %s\n", rc == BLK_EH_RESET_TIMER ?
+ "timer reset" : "nh");
return rc;
}
unsigned long flags;
cmd->device = dev;
- init_timer(&cmd->eh_timeout);
INIT_LIST_HEAD(&cmd->list);
spin_lock_irqsave(&dev->list_lock, flags);
list_add_tail(&cmd->list, &dev->cmd_list);
unsigned long timeout;
int rtn = 0;
+ /*
+ * We will use a queued command if possible, otherwise we will
+ * emulate the queuing and calling of completion function ourselves.
+ */
+ atomic_inc(&cmd->device->iorequest_cnt);
+
/* check if the device is still usable */
if (unlikely(cmd->device->sdev_state == SDEV_DEL)) {
/* in SDEV_DEL we error all commands. DID_NO_CONNECT
* returns an immediate error upwards, and signals
* that the device is no longer present */
cmd->result = DID_NO_CONNECT << 16;
- atomic_inc(&cmd->device->iorequest_cnt);
- __scsi_done(cmd);
+ scsi_done(cmd);
/* return 0 (because the command has been processed) */
goto out;
}
- /* Check to see if the scsi lld put this device into state SDEV_BLOCK. */
- if (unlikely(cmd->device->sdev_state == SDEV_BLOCK)) {
+ /* Check to see if the scsi lld made this device blocked. */
+ if (unlikely(scsi_device_blocked(cmd->device))) {
/*
- * in SDEV_BLOCK, the command is just put back on the device
- * queue. The suspend state has already blocked the queue so
- * future requests should not occur until the device
- * transitions out of the suspend state.
+ * in blocked state, the command is just put back on
+ * the device queue. The suspend state has already
+ * blocked the queue so future requests should not
+ * occur until the device transitions out of the
+ * suspend state.
*/
+
scsi_queue_insert(cmd, SCSI_MLQUEUE_DEVICE_BUSY);
SCSI_LOG_MLQUEUE(3, printk("queuecommand : device blocked \n"));
host->resetting = 0;
}
- /*
- * AK: unlikely race here: for some reason the timer could
- * expire before the serial number is set up below.
- */
- scsi_add_timer(cmd, cmd->timeout_per_command, scsi_times_out);
-
scsi_log_send(cmd);
- /*
- * We will use a queued command if possible, otherwise we will
- * emulate the queuing and calling of completion function ourselves.
- */
- atomic_inc(&cmd->device->iorequest_cnt);
-
/*
* Before we queue this command, check if the command
* length exceeds what the host adapter can handle.
}
spin_lock_irqsave(host->host_lock, flags);
+ /*
+ * AK: unlikely race here: for some reason the timer could
+ * expire before the serial number is set up below.
+ *
+ * TODO: kill serial or move to blk layer
+ */
scsi_cmd_get_serial(host, cmd);
if (unlikely(host->shost_state == SHOST_DEL)) {
}
spin_unlock_irqrestore(host->host_lock, flags);
if (rtn) {
- if (scsi_delete_timer(cmd)) {
- atomic_inc(&cmd->device->iodone_cnt);
- scsi_queue_insert(cmd,
- (rtn == SCSI_MLQUEUE_DEVICE_BUSY) ?
- rtn : SCSI_MLQUEUE_HOST_BUSY);
- }
+ scsi_queue_insert(cmd, (rtn == SCSI_MLQUEUE_DEVICE_BUSY) ?
+ rtn : SCSI_MLQUEUE_HOST_BUSY);
SCSI_LOG_MLQUEUE(3,
printk("queuecommand : request rejected\n"));
}
return rtn;
}
-/**
- * scsi_req_abort_cmd -- Request command recovery for the specified command
- * @cmd: pointer to the SCSI command of interest
- *
- * This function requests that SCSI Core start recovery for the
- * command by deleting the timer and adding the command to the eh
- * queue. It can be called by either LLDDs or SCSI Core. LLDDs who
- * implement their own error recovery MAY ignore the timeout event if
- * they generated scsi_req_abort_cmd.
- */
-void scsi_req_abort_cmd(struct scsi_cmnd *cmd)
-{
- if (!scsi_delete_timer(cmd))
- return;
- scsi_times_out(cmd);
-}
-EXPORT_SYMBOL(scsi_req_abort_cmd);
-
/**
* scsi_done - Enqueue the finished SCSI command into the done queue.
* @cmd: The SCSI Command for which a low-level device driver (LLDD) gives
*/
static void scsi_done(struct scsi_cmnd *cmd)
{
- /*
- * We don't have to worry about this one timing out anymore.
- * If we are unable to remove the timer, then the command
- * has already timed out. In which case, we have no choice but to
- * let the timeout function run, as we have no idea where in fact
- * that function could really be. It might be on another processor,
- * etc, etc.
- */
- if (!scsi_delete_timer(cmd))
- return;
- __scsi_done(cmd);
-}
-
-/* Private entry to scsi_done() to complete a command when the timer
- * isn't running --- used by scsi_times_out */
-void __scsi_done(struct scsi_cmnd *cmd)
-{
- struct request *rq = cmd->request;
-
- /*
- * Set the serial numbers back to zero
- */
- cmd->serial_number = 0;
-
- atomic_inc(&cmd->device->iodone_cnt);
- if (cmd->result)
- atomic_inc(&cmd->device->ioerr_cnt);
-
- BUG_ON(!rq);
-
- /*
- * The uptodate/nbytes values don't matter, as we allow partial
- * completes and thus will check this in the softirq callback
- */
- rq->completion_data = cmd;
- blk_complete_request(rq);
+ blk_complete_request(cmd->request);
}
/* Move this to a header if it becomes more generally useful */
cmd->transfersize = req->data_len;
cmd->allowed = req->retries;
- cmd->timeout_per_command = req->timeout;
return BLKPREP_OK;
}
EXPORT_SYMBOL(scsi_setup_blk_pc_cmnd);
break;
case SDEV_QUIESCE:
case SDEV_BLOCK:
+ case SDEV_CREATED_BLOCK:
/*
* If the devices is blocked we defer normal commands.
*/
spin_unlock(shost->host_lock);
spin_lock(sdev->request_queue->queue_lock);
- __scsi_done(cmd);
+ blk_complete_request(req);
}
static void scsi_softirq_done(struct request *rq)
{
- struct scsi_cmnd *cmd = rq->completion_data;
- unsigned long wait_for = (cmd->allowed + 1) * cmd->timeout_per_command;
+ struct scsi_cmnd *cmd = rq->special;
+ unsigned long wait_for = (cmd->allowed + 1) * rq->timeout;
int disposition;
INIT_LIST_HEAD(&cmd->eh_entry);
+ /*
+ * Set the serial numbers back to zero
+ */
+ cmd->serial_number = 0;
+
+ atomic_inc(&cmd->device->iodone_cnt);
+ if (cmd->result)
+ atomic_inc(&cmd->device->ioerr_cnt);
+
disposition = scsi_decide_disposition(cmd);
if (disposition != SUCCESS &&
time_before(cmd->jiffies_at_alloc + wait_for, jiffies)) {
blk_queue_prep_rq(q, scsi_prep_fn);
blk_queue_softirq_done(q, scsi_softirq_done);
+ blk_queue_rq_timed_out(q, scsi_times_out);
return q;
}
switch (state) {
case SDEV_CREATED:
- /* There are no legal states that come back to
- * created. This is the manually initialised start
- * state */
- goto illegal;
+ switch (oldstate) {
+ case SDEV_CREATED_BLOCK:
+ break;
+ default:
+ goto illegal;
+ }
+ break;
case SDEV_RUNNING:
switch (oldstate) {
case SDEV_BLOCK:
switch (oldstate) {
- case SDEV_CREATED:
case SDEV_RUNNING:
+ case SDEV_CREATED_BLOCK:
+ break;
+ default:
+ goto illegal;
+ }
+ break;
+
+ case SDEV_CREATED_BLOCK:
+ switch (oldstate) {
+ case SDEV_CREATED:
break;
default:
goto illegal;
int err = 0;
err = scsi_device_set_state(sdev, SDEV_BLOCK);
- if (err)
- return err;
+ if (err) {
+ err = scsi_device_set_state(sdev, SDEV_CREATED_BLOCK);
+
+ if (err)
+ return err;
+ }
/*
* The device has transitioned to SDEV_BLOCK. Stop the
* and goose the device queue if successful.
*/
err = scsi_device_set_state(sdev, SDEV_RUNNING);
- if (err)
- return err;
+ if (err) {
+ err = scsi_device_set_state(sdev, SDEV_CREATED);
+
+ if (err)
+ return err;
+ }
spin_lock_irqsave(q->queue_lock, flags);
blk_start_queue(q);
{ SDEV_QUIESCE, "quiesce" },
{ SDEV_OFFLINE, "offline" },
{ SDEV_BLOCK, "blocked" },
+ { SDEV_CREATED_BLOCK, "created-blocked" },
};
const char *scsi_device_state_name(enum scsi_device_state state)
sdev_rd_attr (model, "%.16s\n");
sdev_rd_attr (rev, "%.4s\n");
+/*
+ * TODO: can we make these symlinks to the block layer ones?
+ */
static ssize_t
sdev_show_timeout (struct device *dev, struct device_attribute *attr, char *buf)
{
struct scsi_device *sdev;
sdev = to_scsi_device(dev);
- return snprintf (buf, 20, "%d\n", sdev->timeout / HZ);
+ return snprintf(buf, 20, "%d\n", sdev->request_queue->rq_timeout / HZ);
}
static ssize_t
int timeout;
sdev = to_scsi_device(dev);
sscanf (buf, "%d\n", &timeout);
- sdev->timeout = timeout * HZ;
+ blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
return count;
}
static DEVICE_ATTR(timeout, S_IRUGO | S_IWUSR, sdev_show_timeout, sdev_store_timeout);
int err;
dprintk("%lx %u\n", uaddr, len);
- err = blk_rq_map_user(q, rq, (void *)uaddr, len);
+ err = blk_rq_map_user(q, rq, NULL, (void *)uaddr, len, GFP_KERNEL);
if (err) {
/*
* TODO: need to fixup sg_tablesize, max_segment_size,
/* TODO: replace with a O(1) alg */
shost = scsi_host_lookup(host_no);
- if (IS_ERR(shost)) {
+ if (!shost) {
printk(KERN_ERR "Could not find host no %d\n", host_no);
return -EINVAL;
}
dprintk("%d %d %llx\n", host_no, result, (unsigned long long) mid);
shost = scsi_host_lookup(host_no);
- if (IS_ERR(shost)) {
+ if (!shost) {
printk(KERN_ERR "Could not find host no %d\n", host_no);
return err;
}
dprintk("%d %d%llx\n", host_no, result, (unsigned long long)itn_id);
shost = scsi_host_lookup(host_no);
- if (IS_ERR(shost)) {
+ if (!shost) {
printk(KERN_ERR "Could not find host no %d\n", host_no);
return err;
}
static int fc_queue_work(struct Scsi_Host *, struct work_struct *);
static void fc_vport_sched_delete(struct work_struct *work);
-
- /*
- * This is a temporary carrier for creating a vport. It will eventually
- * be replaced by a real message definition for sgio or netlink.
- *
- * fc_vport_identifiers: This set of data contains all elements
- * to uniquely identify and instantiate a FC virtual port.
- *
- * Notes:
- * symbolic_name: The driver is to append the symbolic_name string data
- * to the symbolic_node_name data that it generates by default.
- * the resulting combination should then be registered with the switch.
- * It is expected that things like Xen may stuff a VM title into
- * this field.
- */
- struct fc_vport_identifiers {
- u64 node_name;
- u64 port_name;
- u32 roles;
- bool disable;
- enum fc_port_type vport_type; /* only FC_PORTTYPE_NPIV allowed */
- char symbolic_name[FC_VPORT_SYMBOLIC_NAMELEN];
- };
-
- static int fc_vport_create(struct Scsi_Host *shost, int channel,
+ static int fc_vport_setup(struct Scsi_Host *shost, int channel,
struct device *pdev, struct fc_vport_identifiers *ids,
struct fc_vport **vport);
vid.disable = false; /* always enabled */
/* we only allow support on Channel 0 !!! */
- stat = fc_vport_create(shost, 0, &shost->shost_gendev, &vid, &vport);
+ stat = fc_vport_setup(shost, 0, &shost->shost_gendev, &vid, &vport);
return stat ? stat : count;
}
static FC_DEVICE_ATTR(host, vport_create, S_IWUSR, NULL,
* Notes:
* This routine assumes no locks are held on entry.
*/
-static enum scsi_eh_timer_return
+static enum blk_eh_timer_return
fc_timed_out(struct scsi_cmnd *scmd)
{
struct fc_rport *rport = starget_to_rport(scsi_target(scmd->device));
if (rport->port_state == FC_PORTSTATE_BLOCKED)
- return EH_RESET_TIMER;
+ return BLK_EH_RESET_TIMER;
- return EH_NOT_HANDLED;
+ return BLK_EH_NOT_HANDLED;
}
/*
/**
- * fc_vport_create - allocates and creates a FC virtual port.
+ * fc_vport_setup - allocates and creates a FC virtual port.
* @shost: scsi host the virtual port is connected to.
* @channel: Channel on shost port connected to.
* @pdev: parent device for vport
* This routine assumes no locks are held on entry.
*/
static int
- fc_vport_create(struct Scsi_Host *shost, int channel, struct device *pdev,
+ fc_vport_setup(struct Scsi_Host *shost, int channel, struct device *pdev,
struct fc_vport_identifiers *ids, struct fc_vport **ret_vport)
{
struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
return error;
}
+ /**
+ * fc_vport_create - Admin App or LLDD requests creation of a vport
+ * @shost: scsi host the virtual port is connected to.
+ * @channel: channel on shost port connected to.
+ * @ids: The world wide names, FC4 port roles, etc for
+ * the virtual port.
+ *
+ * Notes:
+ * This routine assumes no locks are held on entry.
+ */
+ struct fc_vport *
+ fc_vport_create(struct Scsi_Host *shost, int channel,
+ struct fc_vport_identifiers *ids)
+ {
+ int stat;
+ struct fc_vport *vport;
+
+ stat = fc_vport_setup(shost, channel, &shost->shost_gendev,
+ ids, &vport);
+ return stat ? NULL : vport;
+ }
+ EXPORT_SYMBOL(fc_vport_create);
/**
* fc_vport_terminate - Admin App or LLDD requests termination of a vport
#include <linux/blkpg.h>
#include <linux/delay.h>
#include <linux/mutex.h>
+ #include <linux/string_helpers.h>
#include <asm/uaccess.h>
#include <scsi/scsi.h>
MODULE_ALIAS_SCSI_DEVICE(TYPE_MOD);
MODULE_ALIAS_SCSI_DEVICE(TYPE_RBC);
+#if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT)
+#define SD_MINORS 16
+#else
+#define SD_MINORS 0
+#endif
+
static int sd_revalidate_disk(struct gendisk *);
static int sd_probe(struct device *);
static int sd_remove(struct device *);
sd_print_sense_hdr(sdkp, &sshdr);
return -EINVAL;
}
- sd_revalidate_disk(sdkp->disk);
+ revalidate_disk(sdkp->disk);
return count;
}
sector_t block = rq->sector;
sector_t threshold;
unsigned int this_count = rq->nr_sectors;
- unsigned int timeout = sdp->timeout;
int ret;
if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
SCpnt->transfersize = sdp->sector_size;
SCpnt->underflow = this_count << 9;
SCpnt->allowed = SD_MAX_RETRIES;
- SCpnt->timeout_per_command = timeout;
/*
* This indicates that the command is ready from our end to be
struct scsi_disk *sdkp = scsi_disk_get_from_dev(dev);
if (sdkp) {
- sd_revalidate_disk(sdkp->disk);
+ revalidate_disk(sdkp->disk);
scsi_disk_put(sdkp);
}
}
*/
sector_size = 512;
}
+ blk_queue_hardsect_size(sdp->request_queue, sector_size);
+
{
- /*
- * The msdos fs needs to know the hardware sector size
- * So I have created this table. See ll_rw_blk.c
- * Jacques Gelinas (Jacques@solucorp.qc.ca)
- */
- int hard_sector = sector_size;
- sector_t sz = (sdkp->capacity/2) * (hard_sector/256);
- struct request_queue *queue = sdp->request_queue;
- sector_t mb = sz;
+ char cap_str_2[10], cap_str_10[10];
+ u64 sz = sdkp->capacity << ffz(~sector_size);
- blk_queue_hardsect_size(queue, hard_sector);
- /* avoid 64-bit division on 32-bit platforms */
- sector_div(sz, 625);
- mb -= sz - 974;
- sector_div(mb, 1950);
+ string_get_size(sz, STRING_UNITS_2, cap_str_2,
+ sizeof(cap_str_2));
+ string_get_size(sz, STRING_UNITS_10, cap_str_10,
+ sizeof(cap_str_10));
sd_printk(KERN_NOTICE, sdkp,
- "%llu %d-byte hardware sectors (%llu MB)\n",
+ "%llu %d-byte hardware sectors: (%s/%s)\n",
(unsigned long long)sdkp->capacity,
- hard_sector, (unsigned long long)mb);
+ sector_size, cap_str_10, cap_str_2);
}
/* Rescale capacity to 512-byte units */
return 0;
}
+/**
+ * sd_format_disk_name - format disk name
+ * @prefix: name prefix - ie. "sd" for SCSI disks
+ * @index: index of the disk to format name for
+ * @buf: output buffer
+ * @buflen: length of the output buffer
+ *
+ * SCSI disk names starts at sda. The 26th device is sdz and the
+ * 27th is sdaa. The last one for two lettered suffix is sdzz
+ * which is followed by sdaaa.
+ *
+ * This is basically 26 base counting with one extra 'nil' entry
+ * at the beggining from the second digit on and can be
+ * determined using similar method as 26 base conversion with the
+ * index shifted -1 after each digit is computed.
+ *
+ * CONTEXT:
+ * Don't care.
+ *
+ * RETURNS:
+ * 0 on success, -errno on failure.
+ */
+static int sd_format_disk_name(char *prefix, int index, char *buf, int buflen)
+{
+ const int base = 'z' - 'a' + 1;
+ char *begin = buf + strlen(prefix);
+ char *end = buf + buflen;
+ char *p;
+ int unit;
+
+ p = end - 1;
+ *p = '\0';
+ unit = base;
+ do {
+ if (p == begin)
+ return -EINVAL;
+ *--p = 'a' + (index % unit);
+ index = (index / unit) - 1;
+ } while (index >= 0);
+
+ memmove(begin, p, end - p);
+ memcpy(buf, prefix, strlen(prefix));
+
+ return 0;
+}
+
/**
* sd_probe - called during driver initialization and whenever a
* new scsi device is attached to the system. It is called once
if (!sdkp)
goto out;
- gd = alloc_disk(16);
+ gd = alloc_disk(SD_MINORS);
if (!gd)
goto out_free;
if (error)
goto out_put;
- error = -EBUSY;
- if (index >= SD_MAX_DISKS)
+ error = sd_format_disk_name("sd", index, gd->disk_name, DISK_NAME_LEN);
+ if (error)
goto out_free_index;
sdkp->device = sdp;
sdkp->openers = 0;
sdkp->previous_state = 1;
- if (!sdp->timeout) {
+ if (!sdp->request_queue->rq_timeout) {
if (sdp->type != TYPE_MOD)
- sdp->timeout = SD_TIMEOUT;
+ blk_queue_rq_timeout(sdp->request_queue, SD_TIMEOUT);
else
- sdp->timeout = SD_MOD_TIMEOUT;
+ blk_queue_rq_timeout(sdp->request_queue,
+ SD_MOD_TIMEOUT);
}
device_initialize(&sdkp->dev);
get_device(&sdp->sdev_gendev);
- gd->major = sd_major((index & 0xf0) >> 4);
- gd->first_minor = ((index & 0xf) << 4) | (index & 0xfff00);
- gd->minors = 16;
- gd->fops = &sd_fops;
-
- if (index < 26) {
- sprintf(gd->disk_name, "sd%c", 'a' + index % 26);
- } else if (index < (26 + 1) * 26) {
- sprintf(gd->disk_name, "sd%c%c",
- 'a' + index / 26 - 1,'a' + index % 26);
- } else {
- const unsigned int m1 = (index / 26 - 1) / 26 - 1;
- const unsigned int m2 = (index / 26 - 1) % 26;
- const unsigned int m3 = index % 26;
- sprintf(gd->disk_name, "sd%c%c%c",
- 'a' + m1, 'a' + m2, 'a' + m3);
+ if (index < SD_MAX_DISKS) {
+ gd->major = sd_major((index & 0xf0) >> 4);
+ gd->first_minor = ((index & 0xf) << 4) | (index & 0xfff00);
+ gd->minors = SD_MINORS;
}
-
+ gd->fops = &sd_fops;
gd->private_data = &sdkp->driver;
gd->queue = sdkp->device->request_queue;
blk_queue_prep_rq(sdp->request_queue, sd_prep_fn);
gd->driverfs_dev = &sdp->sdev_gendev;
- gd->flags = GENHD_FL_DRIVERFS;
+ gd->flags = GENHD_FL_EXT_DEVT | GENHD_FL_DRIVERFS;
if (sdp->removable)
gd->flags |= GENHD_FL_REMOVABLE;
git.openpandora.org / pandora-kernel.git / commitdiff