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lightnvm: pblk: print incompatible line version correctly

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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 <rakesh@tuxera.com>
Reviewed-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Rakesh Pandit 2017-10-13 14:45:59 +02:00 committed by Jens Axboe
parent c5493845b7
commit c79819bc08
3 changed files with 4 additions and 3 deletions
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2
drivers/lightnvm/pblk-core.c
View file

@ -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);

4
drivers/lightnvm/pblk-recovery.c
View file

@ -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);
}

1
drivers/lightnvm/pblk.h
View file

@ -310,6 +310,7 @@ enum {
};
#define PBLK_MAGIC 0x70626c6b /*pblk*/
#define SMETA_VERSION cpu_to_le16(1)
struct line_header {
__le32 crc;