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authorChristoph Hellwig <hch@lst.de>2020-06-20 09:16:41 +0200
committerJens Axboe <axboe@kernel.dk>2020-06-24 09:16:02 -0600
commit3f1266f1f82d7b8c72472a8921e80aa3e611fb62 (patch)
tree93e2039e02c3a6e90a4617b590a9ae62ba6205c3 /include/linux/genhd.h
parentdd0dca223e091bbacdd3c7ce9cf06b373da59816 (diff)
block: move block-related definitions out of fs.h
Move most of the block related definition out of fs.h into more suitable headers. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/genhd.h')
-rw-r--r--include/linux/genhd.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 392aad5e29a2..83f8e0d83228 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -373,6 +373,33 @@ extern void blk_unregister_region(dev_t devt, unsigned long range);
#define alloc_disk(minors) alloc_disk_node(minors, NUMA_NO_NODE)
+int register_blkdev(unsigned int major, const char *name);
+void unregister_blkdev(unsigned int major, const char *name);
+
+int revalidate_disk(struct gendisk *disk);
+int check_disk_change(struct block_device *bdev);
+int __invalidate_device(struct block_device *bdev, bool kill_dirty);
+void bd_set_size(struct block_device *bdev, loff_t size);
+
+/* for drivers/char/raw.c: */
+int blkdev_ioctl(struct block_device *, fmode_t, unsigned, unsigned long);
+long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
+
+#ifdef CONFIG_SYSFS
+int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk);
+void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk);
+#else
+static inline int bd_link_disk_holder(struct block_device *bdev,
+ struct gendisk *disk)
+{
+ return 0;
+}
+static inline void bd_unlink_disk_holder(struct block_device *bdev,
+ struct gendisk *disk)
+{
+}
+#endif /* CONFIG_SYSFS */
+
#else /* CONFIG_BLOCK */
static inline void printk_all_partitions(void) { }