We have struct cached_dev allocated by kzalloc in register_bcache(), which
initializes all the fields of cached_dev with 0s. And commit ce4c3e19e520
("bcache: Replace bch_read_string_list() by __sysfs_match_string()") has
remove the string "default".
Update the comment.
Signed-off-by: Shenghui Wang <shhuiw@xxxxxxxxxxx>
---
drivers/md/bcache/sysfs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 26f035a0c5b9..d2e5c9892d4d 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -16,7 +16,7 @@
#include <linux/sort.h>
#include <linux/sched/clock.h>
-/* Default is -1; we skip past it for struct cached_dev's cache mode */
+/* Default is 0 ("writethrough") */
static const char * const bch_cache_modes[] = {
"writethrough",
"writeback",
@@ -25,7 +25,7 @@ static const char * const bch_cache_modes[] = {
NULL
};
-/* Default is -1; we skip past it for stop_when_cache_set_failed */
+/* Default is 0 ("auto") */
static const char * const bch_stop_on_failure_modes[] = {
"auto",
"always",
--
2.18.0
