Revert to Fedora kernel-2.6.17-1.2187_FC5 patched with vs2.0.2.1; there are too many...

[linux-2.6.git] / fs / partitions / check.c

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 51c6a74..7ef1f09 100644 (file)
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -18,8 +18,10 @@
 #include <linux/fs.h>
 #include <linux/kmod.h>
 #include <linux/ctype.h>
+#include <linux/devfs_fs_kernel.h>
 
 #include "check.h"
+#include "devfs.h"
 
 #include "acorn.h"
 #include "amiga.h"
@@ -159,11 +161,18 @@ check_partition(struct gendisk *hd, struct block_device *bdev)
        if (!state)
                return NULL;
 
-       disk_name(hd, 0, state->name);
-       printk(KERN_INFO " %s:", state->name);
-       if (isdigit(state->name[strlen(state->name)-1]))
+#ifdef CONFIG_DEVFS_FS
+       if (hd->devfs_name[0] != '\0') {
+               printk(KERN_INFO " /dev/%s:", hd->devfs_name);
                sprintf(state->name, "p");
-
+       }
+#endif
+       else {
+               disk_name(hd, 0, state->name);
+               printk(KERN_INFO " %s:", state->name);
+               if (isdigit(state->name[strlen(state->name)-1]))
+                       sprintf(state->name, "p");
+       }
        state->limit = hd->minors;
        i = res = 0;
        while (!res && check_part[i]) {
@@ -319,7 +328,7 @@ void delete_partition(struct gendisk *disk, int part)
        p->nr_sects = 0;
        p->ios[0] = p->ios[1] = 0;
        p->sectors[0] = p->sectors[1] = 0;
-       sysfs_remove_link(&p->kobj, "subsystem");
+       devfs_remove("%s/part%d", disk->devfs_name, part);
        if (p->holder_dir)
                kobject_unregister(p->holder_dir);
        kobject_uevent(&p->kobj, KOBJ_REMOVE);
@@ -339,7 +348,10 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len)
        p->start_sect = start;
        p->nr_sects = len;
        p->partno = part;
-       p->policy = disk->policy;
+
+       devfs_mk_bdev(MKDEV(disk->major, disk->first_minor + part),
+                       S_IFBLK|S_IRUSR|S_IWUSR,
+                       "%s/part%d", disk->devfs_name, part);
 
        if (isdigit(disk->kobj.name[strlen(disk->kobj.name)-1]))
                snprintf(p->kobj.name,KOBJ_NAME_LEN,"%sp%d",disk->kobj.name,part);
@@ -351,7 +363,6 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len)
        kobject_add(&p->kobj);
        if (!disk->part_uevent_suppress)
                kobject_uevent(&p->kobj, KOBJ_ADD);
-       sysfs_create_link(&p->kobj, &block_subsys.kset.kobj, "subsystem");
        partition_sysfs_add_subdir(p);
        disk->part[part-1] = p;
 }
@@ -387,7 +398,6 @@ static void disk_sysfs_symlinks(struct gendisk *disk)
                        kfree(disk_name);
                }
        }
-       sysfs_create_link(&disk->kobj, &block_subsys.kset.kobj, "subsystem");
 }
 
 /* Not exported, helper to add_disk(). */
@@ -410,8 +420,14 @@ void register_disk(struct gendisk *disk)
        disk_sysfs_add_subdirs(disk);
 
        /* No minors to use for partitions */
-       if (disk->minors == 1)
+       if (disk->minors == 1) {
+               if (disk->devfs_name[0] != '\0')
+                       devfs_add_disk(disk);
                goto exit;
+       }
+
+       /* always add handle for the whole disk */
+       devfs_add_partitioned(disk);
 
        /* No such device (e.g., media were just removed) */
        if (!get_capacity(disk))
@@ -465,10 +481,6 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev)
                sector_t from = state->parts[p].from;
                if (!size)
                        continue;
-               if (from + size > get_capacity(disk)) {
-                       printk(" %s: p%d exceeds device capacity\n",
-                               disk->disk_name, p);
-               }
                add_partition(disk, p, from, size);
 #ifdef CONFIG_BLK_DEV_MD
                if (state->parts[p].flags)
@@ -484,8 +496,8 @@ unsigned char *read_dev_sector(struct block_device *bdev, sector_t n, Sector *p)
        struct address_space *mapping = bdev->bd_inode->i_mapping;
        struct page *page;
 
-       page = read_mapping_page(mapping, (pgoff_t)(n >> (PAGE_CACHE_SHIFT-9)),
-                                NULL);
+       page = read_cache_page(mapping, (pgoff_t)(n >> (PAGE_CACHE_SHIFT-9)),
+                       (filler_t *)mapping->a_ops->readpage, NULL);
        if (!IS_ERR(page)) {
                wait_on_page_locked(page);
                if (!PageUptodate(page))
@@ -519,6 +531,8 @@ void del_gendisk(struct gendisk *disk)
        disk_stat_set_all(disk, 0);
        disk->stamp = 0;
 
+       devfs_remove_disk(disk);
+
        kobject_uevent(&disk->kobj, KOBJ_REMOVE);
        if (disk->holder_dir)
                kobject_unregister(disk->holder_dir);
@@ -534,6 +548,5 @@ void del_gendisk(struct gendisk *disk)
                put_device(disk->driverfs_dev);
                disk->driverfs_dev = NULL;
        }
-       sysfs_remove_link(&disk->kobj, "subsystem");
        kobject_del(&disk->kobj);
 }