[PATCH 08/10] ext4: reduce stack footprint in ext4_end_bio()
From: Anton Suvorov <hidden>
Date: 2021-06-02 15:31:24
Also in:
linux-fsdevel, lkml
Subsystem:
ext4 file system, filesystems (vfs and infrastructure), the rest · Maintainers:
"Theodore Ts'o", Alexander Viro, Christian Brauner, Linus Torvalds
Stack usage reduced (measured with allyesconfig): ./fs/ext4/page-io.c ext4_end_bio 224 88 -136 Signed-off-by: Anton Suvorov <redacted> --- fs/ext4/page-io.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index f038d578d8d8..56074f2f5e63 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c@@ -323,10 +323,9 @@ static void ext4_end_bio(struct bio *bio) { ext4_io_end_t *io_end = bio->bi_private; sector_t bi_sector = bio->bi_iter.bi_sector; - char b[BDEVNAME_SIZE]; - if (WARN_ONCE(!io_end, "io_end is NULL: %s: sector %Lu len %u err %d\n", - bio_devname(bio, b), + if (WARN_ONCE(!io_end, "io_end is NULL: %pg: sector %llu len %u err %d\n", + bio->bi_bdev, (long long) bio->bi_iter.bi_sector, (unsigned) bio_sectors(bio), bio->bi_status)) {
--
2.25.1