[PATCH] autofs4: expire mounts that hold no (extra) references only

[linux-2.6-omap-h63xx.git] / drivers / ide / ide-disk.c

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index ca25f9e3d0f4e6816f6155d0cd00f79dd07509d1..ccf528d733bfb59db29d98eac63244d5dbbea5e1 100644 (file)
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -60,6 +60,7 @@
 #include <linux/genhd.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
+#include <linux/mutex.h>
 
 #define _IDE_DISK
 
@@ -78,7 +79,7 @@ struct ide_disk_obj {
        struct kref     kref;
 };
 
-static DECLARE_MUTEX(idedisk_ref_sem);
+static DEFINE_MUTEX(idedisk_ref_mutex);
 
 #define to_ide_disk(obj) container_of(obj, struct ide_disk_obj, kref)
 
@@ -89,11 +90,11 @@ static struct ide_disk_obj *ide_disk_get(struct gendisk *disk)
 {
        struct ide_disk_obj *idkp = NULL;
 
-       down(&idedisk_ref_sem);
+       mutex_lock(&idedisk_ref_mutex);
        idkp = ide_disk_g(disk);
        if (idkp)
                kref_get(&idkp->kref);
-       up(&idedisk_ref_sem);
+       mutex_unlock(&idedisk_ref_mutex);
        return idkp;
 }
 
@@ -101,9 +102,9 @@ static void ide_disk_release(struct kref *);
 
 static void ide_disk_put(struct ide_disk_obj *idkp)
 {
-       down(&idedisk_ref_sem);
+       mutex_lock(&idedisk_ref_mutex);
        kref_put(&idkp->kref, ide_disk_release);
-       up(&idedisk_ref_sem);
+       mutex_unlock(&idedisk_ref_mutex);
 }
 
 /*
@@ -190,7 +191,8 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
                if (lba48) {
                        task_ioreg_t tasklets[10];
 
-                       pr_debug("%s: LBA=0x%012llx\n", drive->name, block);
+                       pr_debug("%s: LBA=0x%012llx\n", drive->name,
+                                       (unsigned long long)block);
 
                        tasklets[0] = 0;
                        tasklets[1] = 0;
@@ -317,7 +319,8 @@ static ide_startstop_t ide_do_rw_disk (ide_drive_t *drive, struct request *rq, s
 
        pr_debug("%s: %sing: block=%llu, sectors=%lu, buffer=0x%08lx\n",
                 drive->name, rq_data_dir(rq) == READ ? "read" : "writ",
-                block, rq->nr_sectors, (unsigned long)rq->buffer);
+                (unsigned long long)block, rq->nr_sectors,
+                (unsigned long)rq->buffer);
 
        if (hwif->rw_disk)
                hwif->rw_disk(drive, rq);
@@ -776,7 +779,7 @@ static void update_ordered(ide_drive_t *drive)
                         ide_id_has_flush_cache_ext(id));
 
                printk(KERN_INFO "%s: cache flushes %ssupported\n",
-                      drive->name, barrier ? "" : "not");
+                      drive->name, barrier ? "" : "not ");
 
                if (barrier) {
                        ordered = QUEUE_ORDERED_DRAIN_FLUSH;
@@ -889,11 +892,7 @@ static void idedisk_setup (ide_drive_t *drive)
        if (drive->id_read == 0)
                return;
 
-       /*
-        * CompactFlash cards and their brethern look just like hard drives
-        * to us, but they are removable and don't have a doorlock mechanism.
-        */
-       if (drive->removable && !(drive->is_flash)) {
+       if (drive->removable) {
                /*
                 * Removable disks (eg. SYQUEST); ignore 'WD' drives 
                 */
@@ -979,8 +978,6 @@ static void idedisk_setup (ide_drive_t *drive)
                ide_dma_verbose(drive);
        printk("\n");
 
-       drive->no_io_32bit = id->dword_io ? 1 : 0;
-
        /* write cache enabled? */
        if ((id->csfo & 1) || (id->cfs_enable_1 & (1 << 5)))
                drive->wcache = 1;