mm: make read_cache_page synchronous

[powerpc.git] / fs / partitions / check.c

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 22d38ff..6b9dae3 100644 (file)
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -180,7 +180,7 @@ check_partition(struct gendisk *hd, struct block_device *bdev)
        }
        if (res > 0)
                return state;
-       if (!err)
+       if (err)
        /* The partition is unrecognized. So report I/O errors if there were any */
                res = err;
        if (!res)
@@ -312,7 +312,7 @@ static struct attribute * default_attrs[] = {
        NULL,
 };
 
-extern struct subsystem block_subsys;
+extern struct kset block_subsys;
 
 static void part_release(struct kobject *kobj)
 {
@@ -388,7 +388,7 @@ 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");
+       sysfs_create_link(&p->kobj, &block_subsys.kobj, "subsystem");
        if (flags & ADDPART_FLAG_WHOLEDISK) {
                static struct attribute addpartattr = {
                        .name = "whole_disk",
@@ -444,7 +444,7 @@ static int disk_sysfs_symlinks(struct gendisk *disk)
                        goto err_out_dev_link;
        }
 
-       err = sysfs_create_link(&disk->kobj, &block_subsys.kset.kobj,
+       err = sysfs_create_link(&disk->kobj, &block_subsys.kobj,
                                "subsystem");
        if (err)
                goto err_out_disk_name_lnk;
@@ -541,7 +541,7 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev)
        if (!get_capacity(disk) || !(state = check_partition(disk, bdev)))
                return 0;
        if (IS_ERR(state))      /* I/O error reading the partition table */
-               return PTR_ERR(state);
+               return -EIO;
        for (p = 1; p < state->limit; p++) {
                sector_t size = state->parts[p].size;
                sector_t from = state->parts[p].from;
@@ -569,9 +569,6 @@ unsigned char *read_dev_sector(struct block_device *bdev, sector_t n, Sector *p)
        page = read_mapping_page(mapping, (pgoff_t)(n >> (PAGE_CACHE_SHIFT-9)),
                                 NULL);
        if (!IS_ERR(page)) {
-               wait_on_page_locked(page);
-               if (!PageUptodate(page))
-                       goto fail;
                if (PageError(page))
                        goto fail;
                p->v = page;