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authorMatias Bjørling <mb@lightnvm.io>2018-10-09 13:11:33 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-11-24 08:20:49 +0100
commitced6b5dae1dcfc451926890a91dafcd958464ce6 (patch)
treea593f3e33893178a2d99ea7687d1e6a2e739e4b5 /drivers/lightnvm
parente99956093f7018d243a04b73b90af65c020b6095 (diff)
lightnvm: pblk: fix rqd.error return value in pblk_blk_erase_sync
[ Upstream commit 4b5d56edb8fc565c5db029aecaea598eadfba7f6 ] rqd.error is masked by the return value of pblk_submit_io_sync. The rqd structure is then passed on to the end_io function, which assumes that any error should lead to a chunk being marked offline/bad. Since the pblk_submit_io_sync can fail before the command is issued to the device, the error value maybe not correspond to a media failure, leading to chunks being immaturely retired. Also, the pblk_blk_erase_sync function prints an error message in case the erase fails. Since the caller prints an error message by itself, remove the error message in this function. Signed-off-by: Matias Bjørling <mb@lightnvm.io> Reviewed-by: Javier González <javier@cnexlabs.com> Reviewed-by: Hans Holmberg <hans.holmberg@cnexlabs.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/lightnvm')
-rw-r--r--drivers/lightnvm/pblk-core.c19
1 files changed, 2 insertions, 17 deletions
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index 80710c62ac29..fd322565fb0f 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -893,10 +893,8 @@ static void pblk_setup_e_rq(struct pblk *pblk, struct nvm_rq *rqd,
static int pblk_blk_erase_sync(struct pblk *pblk, struct ppa_addr ppa)
{
- struct nvm_rq rqd;
- int ret = 0;
-
- memset(&rqd, 0, sizeof(struct nvm_rq));
+ struct nvm_rq rqd = {NULL};
+ int ret;
pblk_setup_e_rq(pblk, &rqd, ppa);
@@ -904,19 +902,6 @@ static int pblk_blk_erase_sync(struct pblk *pblk, struct ppa_addr ppa)
* with writes. Thus, there is no need to take the LUN semaphore.
*/
ret = pblk_submit_io_sync(pblk, &rqd);
- if (ret) {
- struct nvm_tgt_dev *dev = pblk->dev;
- struct nvm_geo *geo = &dev->geo;
-
- pblk_err(pblk, "could not sync erase line:%d,blk:%d\n",
- pblk_ppa_to_line(ppa),
- pblk_ppa_to_pos(geo, ppa));
-
- rqd.error = ret;
- goto out;
- }
-
-out:
rqd.private = pblk;
__pblk_end_io_erase(pblk, &rqd);