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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /block/genhd.c
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'block/genhd.c')
-rw-r--r--block/genhd.c82
1 files changed, 1 insertions, 81 deletions
diff --git a/block/genhd.c b/block/genhd.c
index d2b7ebfb5..59a1395ee 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -8,6 +8,7 @@
#include <linux/kdev_t.h>
#include <linux/kernel.h>
#include <linux/blkdev.h>
+#include <linux/backing-dev.h>
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/proc_fs.h>
@@ -17,8 +18,6 @@
#include <linux/kobj_map.h>
#include <linux/mutex.h>
#include <linux/idr.h>
-#include <linux/ctype.h>
-#include <linux/fs_uuid.h>
#include <linux/log2.h>
#include <linux/pm_runtime.h>
@@ -1385,85 +1384,6 @@ int invalidate_partition(struct gendisk *disk, int partno)
EXPORT_SYMBOL(invalidate_partition);
-dev_t blk_lookup_fs_info(struct fs_info *seek)
-{
- dev_t devt = MKDEV(0, 0);
- struct class_dev_iter iter;
- struct device *dev;
- int best_score = 0;
-
- class_dev_iter_init(&iter, &block_class, NULL, &disk_type);
- while (best_score < 3 && (dev = class_dev_iter_next(&iter))) {
- struct gendisk *disk = dev_to_disk(dev);
- struct disk_part_iter piter;
- struct hd_struct *part;
-
- disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0);
-
- while (best_score < 3 && (part = disk_part_iter_next(&piter))) {
- int score = part_matches_fs_info(part, seek);
- if (score > best_score) {
- devt = part_devt(part);
- best_score = score;
- }
- }
- disk_part_iter_exit(&piter);
- }
- class_dev_iter_exit(&iter);
- return devt;
-}
-
-/* Caller uses NULL, key to start. For each match found, we return a bdev on
- * which we have done blkdev_get, and we do the blkdev_put on block devices
- * that are passed to us. When no more matches are found, we return NULL.
- */
-struct block_device *next_bdev_of_type(struct block_device *last,
- const char *key)
-{
- dev_t devt = MKDEV(0, 0);
- struct class_dev_iter iter;
- struct device *dev;
- struct block_device *next = NULL, *bdev;
- int got_last = 0;
-
- if (!key)
- goto out;
-
- class_dev_iter_init(&iter, &block_class, NULL, &disk_type);
- while (!devt && (dev = class_dev_iter_next(&iter))) {
- struct gendisk *disk = dev_to_disk(dev);
- struct disk_part_iter piter;
- struct hd_struct *part;
-
- disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0);
-
- while ((part = disk_part_iter_next(&piter))) {
- bdev = bdget(part_devt(part));
- if (last && !got_last) {
- if (last == bdev)
- got_last = 1;
- continue;
- }
-
- if (blkdev_get(bdev, FMODE_READ, 0))
- continue;
-
- if (bdev_matches_key(bdev, key)) {
- next = bdev;
- break;
- }
-
- blkdev_put(bdev, FMODE_READ);
- }
- disk_part_iter_exit(&piter);
- }
- class_dev_iter_exit(&iter);
-out:
- if (last)
- blkdev_put(last, FMODE_READ);
- return next;
-}
-
/*
* Disk events - monitor disk events like media change and eject request.
*/