diff options
| -rw-r--r-- | fs/f2fs/f2fs.h | 1 | ||||
| -rw-r--r-- | fs/f2fs/segment.c | 10 |
2 files changed, 8 insertions, 3 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 5e236e26641e..efcb45d0e7d3 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -311,6 +311,7 @@ struct discard_cmd_control { atomic_t issing_discard; /* # of issing discard */ atomic_t discard_cmd_cnt; /* # of cached cmd count */ struct rb_root root; /* root of discard rb-tree */ + bool rbtree_check; /* config for consistence check */ }; /* for the list of fsync inodes, used only during recovery */ diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 654091ec9cfe..d63d89287c53 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1199,8 +1199,9 @@ static int __issue_discard_cmd(struct f2fs_sb_info *sbi, mutex_lock(&dcc->cmd_lock); if (list_empty(pend_list)) goto next; - f2fs_bug_on(sbi, - !f2fs_check_rb_tree_consistence(sbi, &dcc->root)); + if (unlikely(dcc->rbtree_check)) + f2fs_bug_on(sbi, !f2fs_check_rb_tree_consistence(sbi, + &dcc->root)); blk_start_plug(&plug); list_for_each_entry_safe(dc, tmp, pend_list, list) { f2fs_bug_on(sbi, dc->state != D_PREP); @@ -1752,6 +1753,7 @@ static int create_discard_cmd_control(struct f2fs_sb_info *sbi) dcc->max_discards = MAIN_SEGS(sbi) << sbi->log_blocks_per_seg; dcc->undiscard_blks = 0; dcc->root = RB_ROOT; + dcc->rbtree_check = false; init_waitqueue_head(&dcc->discard_wait_queue); SM_I(sbi)->dcc_info = dcc; @@ -2381,7 +2383,9 @@ next: issued = 0; mutex_lock(&dcc->cmd_lock); - f2fs_bug_on(sbi, !f2fs_check_rb_tree_consistence(sbi, &dcc->root)); + if (unlikely(dcc->rbtree_check)) + f2fs_bug_on(sbi, !f2fs_check_rb_tree_consistence(sbi, + &dcc->root)); dc = (struct discard_cmd *)f2fs_lookup_rb_tree_ret(&dcc->root, NULL, start, |