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authorChristoph Hellwig <hch@lst.de>2020-11-23 13:38:40 +0100
committerJens Axboe <axboe@kernel.dk>2020-12-01 14:53:39 -0700
commit4e7b5671c6a883d94b5428e1a9c141bbd56cb2a6 (patch)
tree862980514dedf92e87aa3ec651f5be306f207390 /fs/internal.h
parent7918f0f6fdafa1e52c2d77c537cb55ef25fb69a3 (diff)
downloadlinux-4e7b5671c6a883d94b5428e1a9c141bbd56cb2a6.tar.bz2
block: remove i_bdev
Switch the block device lookup interfaces to directly work with a dev_t so that struct block_device references are only acquired by the blkdev_get variants (and the blk-cgroup special case). This means that we now don't need an extra reference in the inode and can generally simplify handling of struct block_device to keep the lookups contained in the core block layer code. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Hannes Reinecke <hare@suse.de> Acked-by: Tejun Heo <tj@kernel.org> Acked-by: Coly Li <colyli@suse.de> [bcache] Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/internal.h')
-rw-r--r--fs/internal.h7
1 files changed, 1 insertions, 6 deletions
diff --git a/fs/internal.h b/fs/internal.h
index 47be21dfeebe..53f890446e75 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -25,7 +25,6 @@ extern void __init bdev_cache_init(void);
extern int __sync_blockdev(struct block_device *bdev, int wait);
void iterate_bdevs(void (*)(struct block_device *, void *), void *);
void emergency_thaw_bdev(struct super_block *sb);
-void bd_forget(struct inode *inode);
#else
static inline void bdev_cache_init(void)
{
@@ -43,9 +42,6 @@ static inline int emergency_thaw_bdev(struct super_block *sb)
{
return 0;
}
-static inline void bd_forget(struct inode *inode)
-{
-}
#endif /* CONFIG_BLOCK */
/*
@@ -114,8 +110,7 @@ extern struct file *alloc_empty_file_noaccount(int, const struct cred *);
*/
extern int reconfigure_super(struct fs_context *);
extern bool trylock_super(struct super_block *sb);
-struct super_block *__get_super(struct block_device *bdev, bool excl);
-extern struct super_block *user_get_super(dev_t);
+struct super_block *user_get_super(dev_t, bool excl);
void put_super(struct super_block *sb);
extern bool mount_capable(struct fs_context *);