Merge tag 'for-f2fs-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "New features:
   - in-memory extent_cache
   - fs_shutdown to test power-off-recovery
   - use inline_data to store symlink path
   - show f2fs as a non-misc filesystem

  Major fixes:
   - avoid CPU stalls on sync_dirty_dir_inodes
   - fix some power-off-recovery procedure
   - fix handling of broken symlink correctly
   - fix missing dot and dotdot made by sudden power cuts
   - handle wrong data index during roll-forward recovery
   - preallocate data blocks for direct_io

  ... and a bunch of minor bug fixes and cleanups"

* tag 'for-f2fs-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (71 commits)
  f2fs: pass checkpoint reason on roll-forward recovery
  f2fs: avoid abnormal behavior on broken symlink
  f2fs: flush symlink path to avoid broken symlink after POR
  f2fs: change 0 to false for bool type
  f2fs: do not recover wrong data index
  f2fs: do not increase link count during recovery
  f2fs: assign parent's i_mode for empty dir
  f2fs: add F2FS_INLINE_DOTS to recover missing dot dentries
  f2fs: fix mismatching lock and unlock pages for roll-forward recovery
  f2fs: fix sparse warnings
  f2fs: limit b_size of mapped bh in f2fs_map_bh
  f2fs: persist system.advise into on-disk inode
  f2fs: avoid NULL pointer dereference in f2fs_xattr_advise_get
  f2fs: preallocate fallocated blocks for direct IO
  f2fs: enable inline data by default
  f2fs: preserve extent info for extent cache
  f2fs: initialize extent tree with on-disk extent info of inode
  f2fs: introduce __{find,grab}_extent_tree
  f2fs: split set_data_blkaddr from f2fs_update_extent_cache
  f2fs: enable fast symlink by utilizing inline data
  ...

1 files changed, 17 insertions, 5 deletions

diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index e671373cc8ab..f5388f37217e 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -35,6 +35,8 @@ static void update_general_status(struct f2fs_sb_info *sbi)
         /* validation check of the segment numbers */
         si->hit_ext = sbi->read_hit_ext;
         si->total_ext = sbi->total_hit_ext;
+        si->ext_tree = sbi->total_ext_tree;
+        si->ext_node = atomic_read(&sbi->total_ext_node);
         si->ndirty_node = get_pages(sbi, F2FS_DIRTY_NODES);
         si->ndirty_dent = get_pages(sbi, F2FS_DIRTY_DENTS);
         si->ndirty_dirs = sbi->n_dirty_dirs;
@@ -185,6 +187,9 @@ get_cache:
         si->cache_mem += sbi->n_dirty_dirs * sizeof(struct inode_entry);
         for (i = 0; i <= UPDATE_INO; i++)
                 si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry);
+        si->cache_mem += sbi->total_ext_tree * sizeof(struct extent_tree);
+        si->cache_mem += atomic_read(&sbi->total_ext_node) *
+                                                sizeof(struct extent_node);
 
         si->page_mem = 0;
         npages = NODE_MAPPING(sbi)->nrpages;
@@ -260,13 +265,20 @@ static int stat_show(struct seq_file *s, void *v)
                 seq_printf(s, "CP calls: %d\n", si->cp_count);
                 seq_printf(s, "GC calls: %d (BG: %d)\n",
                            si->call_count, si->bg_gc);
-                seq_printf(s, "  - data segments : %d\n", si->data_segs);
-                seq_printf(s, "  - node segments : %d\n", si->node_segs);
-                seq_printf(s, "Try to move %d blocks\n", si->tot_blks);
-                seq_printf(s, "  - data blocks : %d\n", si->data_blks);
-                seq_printf(s, "  - node blocks : %d\n", si->node_blks);
+                seq_printf(s, "  - data segments : %d (%d)\n",
+                                si->data_segs, si->bg_data_segs);
+                seq_printf(s, "  - node segments : %d (%d)\n",
+                                si->node_segs, si->bg_node_segs);
+                seq_printf(s, "Try to move %d blocks (BG: %d)\n", si->tot_blks,
+                                si->bg_data_blks + si->bg_node_blks);
+                seq_printf(s, "  - data blocks : %d (%d)\n", si->data_blks,
+                                si->bg_data_blks);
+                seq_printf(s, "  - node blocks : %d (%d)\n", si->node_blks,
+                                si->bg_node_blks);
                 seq_printf(s, "\nExtent Hit Ratio: %d / %d\n",
                            si->hit_ext, si->total_ext);
+                seq_printf(s, "\nExtent Tree Count: %d\n", si->ext_tree);
+                seq_printf(s, "\nExtent Node Count: %d\n", si->ext_node);
                 seq_puts(s, "\nBalancing F2FS Async:\n");
                 seq_printf(s, "  - inmem: %4d, wb: %4d\n",
                            si->inmem_pages, si->wb_pages);