If inode becomes dirty, we need to check the # of dirty inodes whether or not
further checkpoint would be required.

Signed-off-by: Jaegeuk Kim <jaeg...@kernel.org>
---
 fs/f2fs/file.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 0907efa..e63d0fd 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -694,7 +694,6 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
                        err = f2fs_truncate(inode);
                        if (err)
                                return err;
-                       f2fs_balance_fs(F2FS_I_SB(inode), true);
                } else {
                        /*
                         * do not trim all blocks after i_size if target size is
@@ -723,6 +722,10 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
        }
 
        f2fs_mark_inode_dirty_sync(inode);
+
+       /* inode change will produce dirty node pages flushed by checkpoint */
+       f2fs_balance_fs(F2FS_I_SB(inode), true);
+
        return err;
 }
 
-- 
2.8.3

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