struct buffer_head *alloc_buffer_head(int gfp_flags);
void free_buffer_head(struct buffer_head * bh);
void FASTCALL(unlock_buffer(struct buffer_head *bh));
struct buffer_head *alloc_buffer_head(int gfp_flags);
void free_buffer_head(struct buffer_head * bh);
void FASTCALL(unlock_buffer(struct buffer_head *bh));
void ll_rw_block(int, int, struct buffer_head * bh[]);
void sync_dirty_buffer(struct buffer_head *bh);
void submit_bh(int, struct buffer_head *);
void ll_rw_block(int, int, struct buffer_head * bh[]);
void sync_dirty_buffer(struct buffer_head *bh);
void submit_bh(int, struct buffer_head *);