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

From
Anton Suvorov <hidden>
Date
2021-06-02 15:30:40
Also in
linux-fsdevel, lkml
Reply to
Anton Suvorov, 2021-06-02
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 | 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
Thread (26 messages) 26 messages, 5 authors, last reply 2021-06-23
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