[PATCH v2 06/10] target: reduce stack footprint in iblock_show_configfs_dev_params()
From: Anton Suvorov <hidden>
Date: 2021-06-22 17:45:02
Also in:
linux-fsdevel, lkml
Subsystem:
scsi target subsystem, the rest · Maintainers:
"Martin K. Petersen", Linus Torvalds
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 <redacted> --- drivers/target/target_core_iblock.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 44d9d028f716..a95f0b9bccf8 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c@@ -634,12 +634,10 @@ 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