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[4/5] lightnvm: do not reserve lun on l2p loading

Message ID 1457014001-23561-5-git-send-email-m@bjorling.me (mailing list archive)
State Accepted, archived
Delegated to: Jens Axboe
Headers show

Commit Message

Matias Bjørling March 3, 2016, 2:06 p.m. UTC 
From: Javier González <jg@lightnvm.io>

When the l2p table is loaded, addresses are checked for the lun they
belong to and luns are reserved accordingly. This assumes that metadata
is being stored in the backend device to recover the previous target
configuration. Since this is not yet implemented, this check collides
with some of the core initialization (e.g., sysblock initialization when
a page is formed by several sectors).

We take this check out and for now rely on that the right target will be
created instead. When metadata is stored to recover a target, this check
will come natural as part of the recovery strategy.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
---
 drivers/lightnvm/gennvm.c | 3 ---
 1 file changed, 3 deletions(-)
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Patch

diff --git a/drivers/lightnvm/gennvm.c b/drivers/lightnvm/gennvm.c
index b97801c..42c1c2a 100644
--- a/drivers/lightnvm/gennvm.c
+++ b/drivers/lightnvm/gennvm.c
@@ -192,9 +192,6 @@  static int gennvm_block_map(u64 slba, u32 nlb, __le64 *entries, void *private)
 		lun_id = div_u64(pba, dev->sec_per_lun);
 		lun = &gn->luns[lun_id];
 
-		if (!test_bit(lun_id, dev->lun_map))
-			__set_bit(lun_id, dev->lun_map);
-
 		/* Calculate block offset into lun */
 		pba = pba - (dev->sec_per_lun * lun_id);
 		blk = &lun->vlun.blocks[div_u64(pba, dev->sec_per_blk)];