From c79819bc0877e4cbed8013b1abc9697e8805b21b Mon Sep 17 00:00:00 2001 From: Rakesh Pandit Date: Fri, 13 Oct 2017 14:45:59 +0200 Subject: [PATCH] lightnvm: pblk: print incompatible line version correctly MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Correct it by converting little endian to cpu endian and also define a macro for line version so that maintenance is easy. Signed-off-by: Rakesh Pandit Reviewed-by: Javier González Signed-off-by: Matias Bjørling Signed-off-by: Jens Axboe --- drivers/lightnvm/pblk-core.c | 2 +- drivers/lightnvm/pblk-recovery.c | 4 ++-- drivers/lightnvm/pblk.h | 1 + 3 files changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c index 027c42bb1ab9..8536d38ef97e 100644 --- a/drivers/lightnvm/pblk-core.c +++ b/drivers/lightnvm/pblk-core.c @@ -978,7 +978,7 @@ static int pblk_line_init_metadata(struct pblk *pblk, struct pblk_line *line, memcpy(smeta_buf->header.uuid, pblk->instance_uuid, 16); smeta_buf->header.id = cpu_to_le32(line->id); smeta_buf->header.type = cpu_to_le16(line->type); - smeta_buf->header.version = cpu_to_le16(1); + smeta_buf->header.version = SMETA_VERSION; /* Start metadata */ smeta_buf->seq_nr = cpu_to_le64(line->seq_nr); diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c index cb556e06673e..caf124279575 100644 --- a/drivers/lightnvm/pblk-recovery.c +++ b/drivers/lightnvm/pblk-recovery.c @@ -900,9 +900,9 @@ struct pblk_line *pblk_recov_l2p(struct pblk *pblk) if (le32_to_cpu(smeta_buf->header.identifier) != PBLK_MAGIC) continue; - if (le16_to_cpu(smeta_buf->header.version) != 1) { + if (smeta_buf->header.version != SMETA_VERSION) { pr_err("pblk: found incompatible line version %u\n", - smeta_buf->header.version); + le16_to_cpu(smeta_buf->header.version)); return ERR_PTR(-EINVAL); } diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h index 67e623bd5c2d..9ece409993fe 100644 --- a/drivers/lightnvm/pblk.h +++ b/drivers/lightnvm/pblk.h @@ -310,6 +310,7 @@ enum { }; #define PBLK_MAGIC 0x70626c6b /*pblk*/ +#define SMETA_VERSION cpu_to_le16(1) struct line_header { __le32 crc; -- GitLab