55 void *hpfs_map_4sectors(struct super_block *s, unsigned secno, struct quad_buffer_head *qbh,  in hpfs_map_4sectors()  argument
70 	qbh->data = data = kmalloc(2048, GFP_NOFS);  in hpfs_map_4sectors()
76 	qbh->bh[0] = bh = sb_bread(s, secno);  in hpfs_map_4sectors()
81 	qbh->bh[1] = bh = sb_bread(s, secno + 1);  in hpfs_map_4sectors()
86 	qbh->bh[2] = bh = sb_bread(s, secno + 2);  in hpfs_map_4sectors()
91 	qbh->bh[3] = bh = sb_bread(s, secno + 3);  in hpfs_map_4sectors()
99 	brelse(qbh->bh[2]);  in hpfs_map_4sectors()
101 	brelse(qbh->bh[1]);  in hpfs_map_4sectors()
103 	brelse(qbh->bh[0]);  in hpfs_map_4sectors()
114                           struct quad_buffer_head *qbh)  in hpfs_get_4sectors()  argument
126 	if (!(qbh->data = kmalloc(2048, GFP_NOFS))) {  in hpfs_get_4sectors()
130 	if (!(hpfs_get_sector(s, secno, &qbh->bh[0]))) goto bail0;  in hpfs_get_4sectors()
131 	if (!(hpfs_get_sector(s, secno + 1, &qbh->bh[1]))) goto bail1;  in hpfs_get_4sectors()
132 	if (!(hpfs_get_sector(s, secno + 2, &qbh->bh[2]))) goto bail2;  in hpfs_get_4sectors()
133 	if (!(hpfs_get_sector(s, secno + 3, &qbh->bh[3]))) goto bail3;  in hpfs_get_4sectors()
134 	memcpy(qbh->data, qbh->bh[0]->b_data, 512);  in hpfs_get_4sectors()
135 	memcpy(qbh->data + 512, qbh->bh[1]->b_data, 512);  in hpfs_get_4sectors()
136 	memcpy(qbh->data + 2*512, qbh->bh[2]->b_data, 512);  in hpfs_get_4sectors()
137 	memcpy(qbh->data + 3*512, qbh->bh[3]->b_data, 512);  in hpfs_get_4sectors()
138 	return qbh->data;  in hpfs_get_4sectors()
140 	bail3:	brelse(qbh->bh[2]);  in hpfs_get_4sectors()
141 	bail2:	brelse(qbh->bh[1]);  in hpfs_get_4sectors()
142 	bail1:	brelse(qbh->bh[0]);  in hpfs_get_4sectors()
148 void hpfs_brelse4(struct quad_buffer_head *qbh)  in hpfs_brelse4()  argument
150 	brelse(qbh->bh[3]);  in hpfs_brelse4()
151 	brelse(qbh->bh[2]);  in hpfs_brelse4()
152 	brelse(qbh->bh[1]);  in hpfs_brelse4()
153 	brelse(qbh->bh[0]);  in hpfs_brelse4()
154 	kfree(qbh->data);  in hpfs_brelse4()
157 void hpfs_mark_4buffers_dirty(struct quad_buffer_head *qbh)  in hpfs_mark_4buffers_dirty()  argument
160 	memcpy(qbh->bh[0]->b_data, qbh->data, 512);  in hpfs_mark_4buffers_dirty()
161 	memcpy(qbh->bh[1]->b_data, qbh->data + 512, 512);  in hpfs_mark_4buffers_dirty()
162 	memcpy(qbh->bh[2]->b_data, qbh->data + 2 * 512, 512);  in hpfs_mark_4buffers_dirty()
163 	memcpy(qbh->bh[3]->b_data, qbh->data + 3 * 512, 512);  in hpfs_mark_4buffers_dirty()
164 	mark_buffer_dirty(qbh->bh[0]);  in hpfs_mark_4buffers_dirty()
165 	mark_buffer_dirty(qbh->bh[1]);  in hpfs_mark_4buffers_dirty()
166 	mark_buffer_dirty(qbh->bh[2]);  in hpfs_mark_4buffers_dirty()
167 	mark_buffer_dirty(qbh->bh[3]);  in hpfs_mark_4buffers_dirty()