70 	struct buffer_head *bh;  in getblk()  local
71 	int bufsize = sizeof(*bh) + kdev->k_ctx->fs->blocksize -  in getblk()
72 		sizeof(bh->b_data);  in getblk()
74 	bh = e2fsck_allocate_memory(kdev->k_ctx, bufsize, "block buffer");  in getblk()
75 	if (!bh)  in getblk()
85 	bh->b_ctx = kdev->k_ctx;  in getblk()
87 		bh->b_io = kdev->k_ctx->fs->io;  in getblk()
89 		bh->b_io = kdev->k_ctx->journal_io;  in getblk()
90 	bh->b_size = blocksize;  in getblk()
91 	bh->b_blocknr = blocknr;  in getblk()
93 	return bh;  in getblk()
111 	struct buffer_head *bh;  in ll_rw_block()  local
114 		bh = *bhp++;  in ll_rw_block()
115 		if (rw == READ && !bh->b_uptodate) {  in ll_rw_block()
117 				  bh->b_blocknr, (void *) bh);  in ll_rw_block()
118 			retval = io_channel_read_blk64(bh->b_io,  in ll_rw_block()
119 						     bh->b_blocknr,  in ll_rw_block()
120 						     1, bh->b_data);  in ll_rw_block()
122 				com_err(bh->b_ctx->device_name, retval,  in ll_rw_block()
124 					bh->b_blocknr);  in ll_rw_block()
125 				bh->b_err = (int) retval;  in ll_rw_block()
128 			bh->b_uptodate = 1;  in ll_rw_block()
129 		} else if (rw == WRITE && bh->b_dirty) {  in ll_rw_block()
131 				  bh->b_blocknr,  in ll_rw_block()
132 				  (void *) bh);  in ll_rw_block()
133 			retval = io_channel_write_blk64(bh->b_io,  in ll_rw_block()
134 						      bh->b_blocknr,  in ll_rw_block()
135 						      1, bh->b_data);  in ll_rw_block()
137 				com_err(bh->b_ctx->device_name, retval,  in ll_rw_block()
139 					bh->b_blocknr);  in ll_rw_block()
140 				bh->b_err = (int) retval;  in ll_rw_block()
143 			bh->b_dirty = 0;  in ll_rw_block()
144 			bh->b_uptodate = 1;  in ll_rw_block()
148 				  bh->b_blocknr);  in ll_rw_block()
153 void mark_buffer_dirty(struct buffer_head *bh)  in mark_buffer_dirty()  argument
155 	bh->b_dirty = 1;  in mark_buffer_dirty()
158 static void mark_buffer_clean(struct buffer_head * bh)  in mark_buffer_clean()  argument
160 	bh->b_dirty = 0;  in mark_buffer_clean()
163 void brelse(struct buffer_head *bh)  in brelse()  argument
165 	if (bh->b_dirty)  in brelse()
166 		ll_rw_block(WRITE, 1, &bh);  in brelse()
168 		  bh->b_blocknr, (void *) bh, --bh_count);  in brelse()
169 	ext2fs_free_mem(&bh);  in brelse()
172 int buffer_uptodate(struct buffer_head *bh)  in buffer_uptodate()  argument
174 	return bh->b_uptodate;  in buffer_uptodate()
177 void mark_buffer_uptodate(struct buffer_head *bh, int val)  in mark_buffer_uptodate()  argument
179 	bh->b_uptodate = val;  in mark_buffer_uptodate()
182 void wait_on_buffer(struct buffer_head *bh)  in wait_on_buffer()  argument
184 	if (!bh->b_uptodate)  in wait_on_buffer()
185 		ll_rw_block(READ, 1, &bh);  in wait_on_buffer()
233 	struct buffer_head 	*bh;  in e2fsck_get_journal()  local
397 		bh = getblk(dev_journal, start, ctx->fs->blocksize);  in e2fsck_get_journal()
398 		if (!bh) {  in e2fsck_get_journal()
402 		ll_rw_block(READ, 1, &bh);  in e2fsck_get_journal()
403 		if ((retval = bh->b_err) != 0) {  in e2fsck_get_journal()
404 			brelse(bh);  in e2fsck_get_journal()
407 		memcpy(&jsuper, start ? bh->b_data :  bh->b_data + 1024,  in e2fsck_get_journal()
409 		brelse(bh);  in e2fsck_get_journal()
433 	if (!(bh = getblk(dev_journal, start, journal->j_blocksize))) {  in e2fsck_get_journal()
438 	journal->j_sb_buffer = bh;  in e2fsck_get_journal()
439 	journal->j_superblock = (journal_superblock_t *)bh->b_data;  in e2fsck_get_journal()