prev_dc          1297 fs/f2fs/segment.c 	struct discard_cmd *prev_dc = NULL, *next_dc = NULL;
prev_dc          1308 fs/f2fs/segment.c 					(struct rb_entry **)&prev_dc,
prev_dc          1312 fs/f2fs/segment.c 		prev_dc = dc;
prev_dc          1314 fs/f2fs/segment.c 	if (!prev_dc) {
prev_dc          1326 fs/f2fs/segment.c 		if (prev_dc) {
prev_dc          1327 fs/f2fs/segment.c 			di.lstart = prev_dc->lstart + prev_dc->len;
prev_dc          1343 fs/f2fs/segment.c 		if (prev_dc && prev_dc->state == D_PREP &&
prev_dc          1344 fs/f2fs/segment.c 			prev_dc->bdev == bdev &&
prev_dc          1345 fs/f2fs/segment.c 			__is_discard_back_mergeable(&di, &prev_dc->di,
prev_dc          1347 fs/f2fs/segment.c 			prev_dc->di.len += di.len;
prev_dc          1349 fs/f2fs/segment.c 			__relocate_discard_cmd(dcc, prev_dc);
prev_dc          1350 fs/f2fs/segment.c 			di = prev_dc->di;
prev_dc          1351 fs/f2fs/segment.c 			tdc = prev_dc;
prev_dc          1374 fs/f2fs/segment.c 		prev_dc = next_dc;
prev_dc          1375 fs/f2fs/segment.c 		if (!prev_dc)
prev_dc          1378 fs/f2fs/segment.c 		node = rb_next(&prev_dc->rb_node);
prev_dc          1408 fs/f2fs/segment.c 	struct discard_cmd *prev_dc = NULL, *next_dc = NULL;
prev_dc          1419 fs/f2fs/segment.c 					(struct rb_entry **)&prev_dc,
prev_dc          2748 fs/f2fs/segment.c 	struct discard_cmd *prev_dc = NULL, *next_dc = NULL;
prev_dc          2765 fs/f2fs/segment.c 					(struct rb_entry **)&prev_dc,