alloc_buffer_head 831 fs/buffer.c bh = alloc_buffer_head(gfp); alloc_buffer_head 3366 fs/buffer.c EXPORT_SYMBOL(alloc_buffer_head); alloc_buffer_head 361 fs/jbd2/journal.c new_bh = alloc_buffer_head(GFP_NOFS|__GFP_NOFAIL); alloc_buffer_head 197 include/linux/buffer_head.h struct buffer_head *alloc_buffer_head(gfp_t gfp_flags);