41 void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh)  in gfs2_pin()  argument
47 	clear_buffer_dirty(bh);  in gfs2_pin()
48 	if (test_set_buffer_pinned(bh))  in gfs2_pin()
50 	if (!buffer_uptodate(bh))  in gfs2_pin()
51 		gfs2_io_error_bh(sdp, bh);  in gfs2_pin()
52 	bd = bh->b_private;  in gfs2_pin()
60 	get_bh(bh);  in gfs2_pin()
98 static void gfs2_unpin(struct gfs2_sbd *sdp, struct buffer_head *bh,  in gfs2_unpin()  argument
101 	struct gfs2_bufdata *bd = bh->b_private;  in gfs2_unpin()
103 	BUG_ON(!buffer_uptodate(bh));  in gfs2_unpin()
104 	BUG_ON(!buffer_pinned(bh));  in gfs2_unpin()
106 	lock_buffer(bh);  in gfs2_unpin()
107 	mark_buffer_dirty(bh);  in gfs2_unpin()
108 	clear_buffer_pinned(bh);  in gfs2_unpin()
116 		brelse(bh);  in gfs2_unpin()
128 	unlock_buffer(bh);  in gfs2_unpin()
175 	struct buffer_head *bh, *next;  in gfs2_end_log_write_bh()  local
179 	bh = page_buffers(page);  in gfs2_end_log_write_bh()
181 	while (bh_offset(bh) < bvec->bv_offset)  in gfs2_end_log_write_bh()
182 		bh = bh->b_this_page;  in gfs2_end_log_write_bh()
185 			set_buffer_write_io_error(bh);  in gfs2_end_log_write_bh()
186 		unlock_buffer(bh);  in gfs2_end_log_write_bh()
187 		next = bh->b_this_page;  in gfs2_end_log_write_bh()
188 		size -= bh->b_size;  in gfs2_end_log_write_bh()
189 		brelse(bh);  in gfs2_end_log_write_bh()
190 		bh = next;  in gfs2_end_log_write_bh()
191 	} while(bh && size);  in gfs2_end_log_write_bh()
355 static void gfs2_log_write_bh(struct gfs2_sbd *sdp, struct buffer_head *bh)  in gfs2_log_write_bh()  argument
357 	gfs2_log_write(sdp, bh->b_page, bh->b_size, bh_offset(bh));  in gfs2_log_write_bh()
393 static void gfs2_check_magic(struct buffer_head *bh)  in gfs2_check_magic()  argument
398 	clear_buffer_escaped(bh);  in gfs2_check_magic()
399 	kaddr = kmap_atomic(bh->b_page);  in gfs2_check_magic()
400 	ptr = kaddr + bh_offset(bh);  in gfs2_check_magic()
402 		set_buffer_escaped(bh);  in gfs2_check_magic()
692 	struct buffer_head *bh;  in revoke_lo_scan_elements()  local
704 		error = gfs2_replay_read_block(jd, start, &bh);  in revoke_lo_scan_elements()
709 			gfs2_metatype_check(sdp, bh, GFS2_METATYPE_LB);  in revoke_lo_scan_elements()
712 			blkno = be64_to_cpu(*(__be64 *)(bh->b_data + offset));  in revoke_lo_scan_elements()
716 				brelse(bh);  in revoke_lo_scan_elements()
727 		brelse(bh);  in revoke_lo_scan_elements()