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lightnvm: put blks when luns configure failed

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Put the allocated blocks back to the free list
when the luns configure failed, to make these
blocks useable to others.

Signed-off-by: Wenwei Tao <ww.tao0320@gmail.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Wenwei Tao 2015-12-06 11:25:44 +01:00 • committed by Jens Axboe
parent f27a629953
commit d3d1a43842
1 changed files with 19 additions and 2 deletions
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21
drivers/lightnvm/rrpc.c
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@ -202,6 +202,20 @@ static void rrpc_put_blk(struct rrpc *rrpc, struct rrpc_block *rblk)
nvm_put_blk(rrpc->dev, rblk->parent); nvm_put_blk(rrpc->dev, rblk->parent);
} }
static void rrpc_put_blks(struct rrpc *rrpc)
{
struct rrpc_lun *rlun;
int i;
for (i = 0; i < rrpc->nr_luns; i++) {
rlun = &rrpc->luns[i];
if (rlun->cur)
rrpc_put_blk(rrpc, rlun->cur);
if (rlun->gc_cur)
rrpc_put_blk(rrpc, rlun->gc_cur);
}
}
static struct rrpc_lun *get_next_lun(struct rrpc *rrpc) static struct rrpc_lun *get_next_lun(struct rrpc *rrpc)
{ {
int next = atomic_inc_return(&rrpc->next_lun); int next = atomic_inc_return(&rrpc->next_lun);
@ -1224,18 +1238,21 @@ static int rrpc_luns_configure(struct rrpc *rrpc)
rblk = rrpc_get_blk(rrpc, rlun, 0); rblk = rrpc_get_blk(rrpc, rlun, 0);
if (!rblk) if (!rblk)
return -EINVAL; goto err;
rrpc_set_lun_cur(rlun, rblk); rrpc_set_lun_cur(rlun, rblk);
/* Emergency gc block */ /* Emergency gc block */
rblk = rrpc_get_blk(rrpc, rlun, 1); rblk = rrpc_get_blk(rrpc, rlun, 1);
if (!rblk) if (!rblk)
return -EINVAL; goto err;
rlun->gc_cur = rblk; rlun->gc_cur = rblk;
} }
return 0; return 0;
err:
rrpc_put_blks(rrpc);
return -EINVAL;
} }
static struct nvm_tgt_type tt_rrpc; static struct nvm_tgt_type tt_rrpc;