bcache: Bypass torture test

More testing ftw! Also, now verify mode doesn't break if you read dirty
data.

Signed-off-by: Kent Overstreet <kmo@daterainc.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 194d43782ea4..80d4c2bee18a 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -99,6 +99,7 @@ rw_attribute(errors);
 rw_attribute(io_error_limit);
 rw_attribute(io_error_halflife);
 rw_attribute(verify);
+rw_attribute(bypass_torture_test);
 rw_attribute(key_merging_disabled);
 rw_attribute(gc_always_rewrite);
 rw_attribute(expensive_debug_checks);
@@ -123,6 +124,7 @@ SHOW(__bch_cached_dev)
 
         sysfs_printf(data_csum,         "%i", dc->disk.data_csum);
         var_printf(verify,              "%i");
+        var_printf(bypass_torture_test, "%i");
         var_printf(writeback_metadata,  "%i");
         var_printf(writeback_running,   "%i");
         var_print(writeback_delay);
@@ -191,6 +193,7 @@ STORE(__cached_dev)
 
         sysfs_strtoul(data_csum,        dc->disk.data_csum);
         d_strtoul(verify);
+        d_strtoul(bypass_torture_test);
         d_strtoul(writeback_metadata);
         d_strtoul(writeback_running);
         d_strtoul(writeback_delay);
@@ -323,6 +326,7 @@ static struct attribute *bch_cached_dev_files[] = {
         &sysfs_readahead,
 #ifdef CONFIG_BCACHE_DEBUG
         &sysfs_verify,
+        &sysfs_bypass_torture_test,
 #endif
         NULL
 };