[PATCH 06/10] target: reduce stack footprint in iblock_show_configfs_dev_params()

From: Anton Suvorov
Date: Wed Jun 02 2021 - 11:30:41 EST


Stack usage reduced (measured with allyesconfig):

./drivers/target/target_core_iblock.c iblock_show_configfs_dev_params 192 56 -136

Signed-off-by: Anton Suvorov <warwish@xxxxxxxxxxxxxx>
---
drivers/target/target_core_iblock.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 44d9d028f716..b3425a5bbac2 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -634,12 +634,11 @@ static ssize_t iblock_show_configfs_dev_params(struct se_device *dev, char *b)
{
struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
struct block_device *bd = ib_dev->ibd_bd;
- char buf[BDEVNAME_SIZE];
ssize_t bl = 0;

if (bd)
- bl += sprintf(b + bl, "iBlock device: %s",
- bdevname(bd, buf));
+ bl += sprintf(b + bl, "iBlock device: %pg",
+ bd);
if (ib_dev->ibd_flags & IBDF_HAS_UDEV_PATH)
bl += sprintf(b + bl, " UDEV PATH: %s",
ib_dev->ibd_udev_path);
--
2.25.1