132 int ocfs2_validate_quota_block(struct super_block *sb, struct buffer_head *bh)  in ocfs2_validate_quota_block()  argument
135 		ocfs2_block_dqtrailer(sb->s_blocksize, bh->b_data);  in ocfs2_validate_quota_block()
137 	trace_ocfs2_validate_quota_block((unsigned long long)bh->b_blocknr);  in ocfs2_validate_quota_block()
139 	BUG_ON(!buffer_uptodate(bh));  in ocfs2_validate_quota_block()
146 	return ocfs2_validate_meta_ecc(sb, bh->b_data, &dqt->dq_check);  in ocfs2_validate_quota_block()
174 	struct buffer_head *bh;  in ocfs2_quota_read()  local
196 		bh = NULL;  in ocfs2_quota_read()
197 		err = ocfs2_read_quota_phys_block(gqinode, pblock, &bh);  in ocfs2_quota_read()
202 		memcpy(data, bh->b_data + offset, tocopy);  in ocfs2_quota_read()
203 		brelse(bh);  in ocfs2_quota_read()
223 	struct buffer_head *bh = NULL;  in ocfs2_quota_write()  local
258 		err = ocfs2_read_quota_phys_block(gqinode, pblock, &bh);  in ocfs2_quota_write()
261 		bh = sb_getblk(sb, pblock);  in ocfs2_quota_write()
262 		if (!bh)  in ocfs2_quota_write()
270 	lock_buffer(bh);  in ocfs2_quota_write()
272 		memset(bh->b_data, 0, sb->s_blocksize);  in ocfs2_quota_write()
273 	memcpy(bh->b_data + offset, data, len);  in ocfs2_quota_write()
274 	flush_dcache_page(bh->b_page);  in ocfs2_quota_write()
275 	set_buffer_uptodate(bh);  in ocfs2_quota_write()
276 	unlock_buffer(bh);  in ocfs2_quota_write()
277 	ocfs2_set_buffer_uptodate(INODE_CACHE(gqinode), bh);  in ocfs2_quota_write()
278 	err = ocfs2_journal_access_dq(handle, INODE_CACHE(gqinode), bh,  in ocfs2_quota_write()
281 		brelse(bh);  in ocfs2_quota_write()
284 	ocfs2_journal_dirty(handle, bh);  in ocfs2_quota_write()
285 	brelse(bh);  in ocfs2_quota_write()
299 	struct buffer_head *bh = NULL;  in ocfs2_lock_global_qf()  local
301 	status = ocfs2_inode_lock(oinfo->dqi_gqinode, &bh, ex);  in ocfs2_lock_global_qf()
306 		oinfo->dqi_gqi_bh = bh;  in ocfs2_lock_global_qf()
308 		WARN_ON(bh != oinfo->dqi_gqi_bh);  in ocfs2_lock_global_qf()