pstore/blk: Include zone in pstore_device_info
Information was redundant between struct pstore_zone_info and struct
pstore_device_info. Use struct pstore_zone_info, with member name "zone".
Additionally untangle the logic for the "best effort" block device
instance.
Signed-off-by: Kees Cook <keescook@chromium.org>
Fixed-by: Pu Lehui <pulehui@huawei.com>
Link: https://lore.kernel.org/lkml/20210617005424.182305-1-pulehui@huawei.com
diff --git a/drivers/mtd/mtdpstore.c b/drivers/mtd/mtdpstore.c
index a3ae877..e13d42c 100644
--- a/drivers/mtd/mtdpstore.c
+++ b/drivers/mtd/mtdpstore.c
@@ -423,13 +423,13 @@ static void mtdpstore_notify_add(struct mtd_info *mtd)
longcnt = BITS_TO_LONGS(div_u64(mtd->size, mtd->erasesize));
cxt->badmap = kcalloc(longcnt, sizeof(long), GFP_KERNEL);
- cxt->dev.total_size = mtd->size;
/* just support dmesg right now */
cxt->dev.flags = PSTORE_FLAGS_DMESG;
- cxt->dev.read = mtdpstore_read;
- cxt->dev.write = mtdpstore_write;
- cxt->dev.erase = mtdpstore_erase;
- cxt->dev.panic_write = mtdpstore_panic_write;
+ cxt->dev.zone.read = mtdpstore_read;
+ cxt->dev.zone.write = mtdpstore_write;
+ cxt->dev.zone.erase = mtdpstore_erase;
+ cxt->dev.zone.panic_write = mtdpstore_panic_write;
+ cxt->dev.zone.total_size = mtd->size;
ret = register_pstore_device(&cxt->dev);
if (ret) {