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Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h17
1 files changed, 12 insertions, 5 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 87d94be7825a..eef450f25982 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -538,6 +538,7 @@ struct request_queue {
#define QUEUE_FLAG_ADD_RANDOM 10 /* Contributes to random pool */
#define QUEUE_FLAG_SYNCHRONOUS 11 /* always completes in submit context */
#define QUEUE_FLAG_SAME_FORCE 12 /* force complete on same CPU */
+#define QUEUE_FLAG_HW_WC 18 /* Write back caching supported */
#define QUEUE_FLAG_INIT_DONE 14 /* queue is initialized */
#define QUEUE_FLAG_STABLE_WRITES 15 /* don't modify blks until WB is done */
#define QUEUE_FLAG_POLL 16 /* IO polling enabled if set */
@@ -750,7 +751,8 @@ static inline int bdev_read_only(struct block_device *bdev)
}
bool set_capacity_and_notify(struct gendisk *disk, sector_t size);
-bool disk_force_media_change(struct gendisk *disk, unsigned int events);
+void disk_force_media_change(struct gendisk *disk);
+void bdev_mark_dead(struct block_device *bdev, bool surprise);
void add_disk_randomness(struct gendisk *disk) __latent_entropy;
void rand_initialize_disk(struct gendisk *disk);
@@ -809,7 +811,6 @@ int __register_blkdev(unsigned int major, const char *name,
void unregister_blkdev(unsigned int major, const char *name);
bool disk_check_media_change(struct gendisk *disk);
-int __invalidate_device(struct block_device *bdev, bool kill_dirty);
void set_capacity(struct gendisk *disk, sector_t size);
#ifdef CONFIG_BLOCK_HOLDER_DEPRECATED
@@ -846,6 +847,7 @@ extern const char *blk_op_str(enum req_op op);
int blk_status_to_errno(blk_status_t status);
blk_status_t errno_to_blk_status(int errno);
+const char *blk_status_to_str(blk_status_t status);
/* only poll the hardware once, don't continue until a completion was found */
#define BLK_POLL_ONESHOT (1 << 0)
@@ -1460,9 +1462,16 @@ void blkdev_show(struct seq_file *seqf, off_t offset);
#endif
struct blk_holder_ops {
- void (*mark_dead)(struct block_device *bdev);
+ void (*mark_dead)(struct block_device *bdev, bool surprise);
+
+ /*
+ * Sync the file system mounted on the block device.
+ */
+ void (*sync)(struct block_device *bdev);
};
+extern const struct blk_holder_ops fs_holder_ops;
+
/*
* Return the correct open flags for blkdev_get_by_* for super block flags
* as stored in sb->s_flags.
@@ -1521,8 +1530,6 @@ static inline int early_lookup_bdev(const char *pathname, dev_t *dev)
}
#endif /* CONFIG_BLOCK */
-int fsync_bdev(struct block_device *bdev);
-
int freeze_bdev(struct block_device *bdev);
int thaw_bdev(struct block_device *bdev);