Merge upstream-f2fs-stable-linux-4.4.y into android-4.4

* origin/upstream-f2fs-stable-linux-4.4.y:
  f2fs: set pin_file under CAP_SYS_ADMIN
  f2fs: fix to avoid deadlock in f2fs_read_inline_dir()
  f2fs: fix to adapt small inline xattr space in __find_inline_xattr()
  f2fs: fix to do sanity check with inode.i_inline_xattr_size
  f2fs: give some messages for inline_xattr_size
  f2fs: don't trigger read IO for beyond EOF page
  f2fs: fix to add refcount once page is tagged PG_private
  f2fs: remove wrong comment in f2fs_invalidate_page()
  f2fs: fix to use kvfree instead of kzfree
  f2fs: print more parameters in trace_f2fs_map_blocks
  f2fs: trace f2fs_ioc_shutdown
  f2fs: fix to avoid deadlock of atomic file operations
  f2fs: fix to dirty inode for i_mode recovery
  f2fs: give random value to i_generation
  f2fs: no need to take page lock in readdir
  f2fs: fix to update iostat correctly in IPU path
  f2fs: fix encrypted page memory leak
  f2fs: make fault injection covering __submit_flush_wait()
  f2fs: fix to retry fill_super only if recovery failed
  f2fs: silence VM_WARN_ON_ONCE in mempool_alloc
  f2fs: correct spelling mistake
  f2fs: fix wrong #endif
  f2fs: don't clear CP_QUOTA_NEED_FSCK_FLAG
  f2fs: don't allow negative ->write_io_size_bits
  f2fs: fix to check inline_xattr_size boundary correctly
  Revert "f2fs: fix to avoid deadlock of atomic file operations"
  Revert "f2fs: fix to check inline_xattr_size boundary correctly"
  f2fs: do not use mutex lock in atomic context
  f2fs: fix potential data inconsistence of checkpoint
  f2fs: fix to avoid deadlock of atomic file operations
  f2fs: fix to check inline_xattr_size boundary correctly
  f2fs: jump to label 'free_node_inode' when failing from d_make_root()
  f2fs: fix to document inline_xattr_size option
  f2fs: fix to data block override node segment by mistake
  f2fs: fix typos in code comments
  f2fs: sync filesystem after roll-forward recovery
  fs: export evict_inodes
  f2fs: flush quota blocks after turnning it off
  f2fs: avoid null pointer exception in dcc_info
  f2fs: don't wake up too frequently, if there is lots of IOs
  f2fs: try to keep CP_TRIMMED_FLAG after successful umount
  f2fs: add quick mode of checkpoint=disable for QA
  f2fs: run discard jobs when put_super
  f2fs: fix to set sbi dirty correctly
  f2fs: UBSAN: set boolean value iostat_enable correctly
  f2fs: add brackets for macros
  f2fs: check if file namelen exceeds max value
  f2fs: fix to trigger fsck if dirent.name_len is zero
  f2fs: no need to check return value of debugfs_create functions
  f2fs: export FS_NOCOW_FL flag to user
  f2fs: check inject_rate validity during configuring
  f2fs: remove set but not used variable 'err'
  f2fs: fix compile warnings: 'struct *' declared inside parameter list
  f2fs: change error code to -ENOMEM from -EINVAL

Change-Id: Ie1d5c18c7df01ffbe084ec5f4f63951ae8dc3aa0
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>

1 files changed, 14 insertions, 6 deletions

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 940372ebfc60..06554ea87b0a 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -307,8 +307,9 @@ static int f2fs_write_meta_pages(struct address_space *mapping,
 		goto skip_write;
 
 	/* collect a number of dirty meta pages and write together */
-	if (wbc->for_kupdate ||
-		get_pages(sbi, F2FS_DIRTY_META) < nr_pages_to_skip(sbi, META))
+	if (wbc->sync_mode != WB_SYNC_ALL &&
+			get_pages(sbi, F2FS_DIRTY_META) <
+					nr_pages_to_skip(sbi, META))
 		goto skip_write;
 
 	/* if locked failed, cp will flush dirty pages instead */
@@ -406,7 +407,7 @@ static int f2fs_set_meta_page_dirty(struct page *page)
 	if (!PageDirty(page)) {
 		__set_page_dirty_nobuffers(page);
 		inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_META);
-		SetPagePrivate(page);
+		f2fs_set_page_private(page, 0);
 		f2fs_trace_pid(page);
 		return 1;
 	}
@@ -957,7 +958,7 @@ void f2fs_update_dirty_page(struct inode *inode, struct page *page)
 	inode_inc_dirty_pages(inode);
 	spin_unlock(&sbi->inode_lock[type]);
 
-	SetPagePrivate(page);
+	f2fs_set_page_private(page, 0);
 	f2fs_trace_pid(page);
 }
 
@@ -1260,10 +1261,17 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
 	else
 		__clear_ckpt_flags(ckpt, CP_DISABLED_FLAG);
 
+	if (is_sbi_flag_set(sbi, SBI_CP_DISABLED_QUICK))
+		__set_ckpt_flags(ckpt, CP_DISABLED_QUICK_FLAG);
+	else
+		__clear_ckpt_flags(ckpt, CP_DISABLED_QUICK_FLAG);
+
 	if (is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH))
 		__set_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);
-	else
-		__clear_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);
+	/*
+	 * TODO: we count on fsck.f2fs to clear this flag until we figure out
+	 * missing cases which clear it incorrectly.
+	 */
 
 	if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_REPAIR))
 		__set_ckpt_flags(ckpt, CP_QUOTA_NEED_FSCK_FLAG);