Chang log from v1:
 o check and add mark_inode_dirty across the whole paths

>From a18ff063406dd6aec41fda598eabe2691007a30d Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk....@samsung.com>
Date: Tue, 21 Jan 2014 13:32:12 +0900
Subject: [PATCH 1/2] f2fs: call mark_inode_dirty to flush dirty pages

If a dentry page is updated, we should call mark_inode_dirty to add the
inode
into the dirty list, so that its dentry pages are flushed to the disk.
Otherwise, the inode can be evicted without flush.

Signed-off-by: Jaegeuk Kim <jaegeuk....@samsung.com>
---
 fs/f2fs/data.c  | 4 +++-
 fs/f2fs/dir.c   | 6 ++----
 fs/f2fs/namei.c | 3 +++
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index f5fac16..0ae5587 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -249,6 +249,7 @@ int reserve_new_block(struct dnode_of_data *dn)
 
        __set_data_blkaddr(dn, NEW_ADDR);
        dn->data_blkaddr = NEW_ADDR;
+       mark_inode_dirty(dn->inode);
        sync_inode_page(dn);
        return 0;
 }
@@ -564,7 +565,6 @@ repeat:
                i_size_write(inode, ((index + 1) << PAGE_CACHE_SHIFT));
                /* Only the directory inode sets new_i_size */
                set_inode_flag(F2FS_I(inode), FI_UPDATE_DIR);
-               mark_inode_dirty_sync(inode);
        }
        return page;
 
@@ -1060,6 +1060,8 @@ static int f2fs_set_data_page_dirty(struct page
*page)
        trace_f2fs_set_page_dirty(page, DATA);
 
        SetPageUptodate(page);
+       mark_inode_dirty(inode);
+
        if (!PageDirty(page)) {
                __set_page_dirty_nobuffers(page);
                set_dirty_dir_page(inode, page);
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index cd055b6..b2b77cc 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -388,6 +388,8 @@ static void update_parent_metadata(struct inode
*dir, struct inode *inode,
                clear_inode_flag(F2FS_I(inode), FI_NEW_INODE);
        }
        dir->i_mtime = dir->i_ctime = CURRENT_TIME;
+       mark_inode_dirty(dir);
+
        if (F2FS_I(dir)->i_current_depth != current_depth) {
                F2FS_I(dir)->i_current_depth = current_depth;
                set_inode_flag(F2FS_I(dir), FI_UPDATE_DIR);
@@ -395,8 +397,6 @@ static void update_parent_metadata(struct inode
*dir, struct inode *inode,
 
        if (is_inode_flag_set(F2FS_I(dir), FI_UPDATE_DIR))
                update_inode_page(dir);
-       else
-               mark_inode_dirty(dir);
 
        if (is_inode_flag_set(F2FS_I(inode), FI_INC_LINK))
                clear_inode_flag(F2FS_I(inode), FI_INC_LINK);
@@ -553,8 +553,6 @@ void f2fs_delete_entry(struct f2fs_dir_entry
*dentry, struct page *page,
        if (inode && S_ISDIR(inode->i_mode)) {
                drop_nlink(dir);
                update_inode_page(dir);
-       } else {
-               mark_inode_dirty(dir);
        }
 
        if (inode) {
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index a68838d..3d32f29 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -430,6 +430,7 @@ static int f2fs_rename(struct inode *old_dir, struct
dentry *old_dentry,
                if (old_dir_entry)
                        drop_nlink(new_inode);
                drop_nlink(new_inode);
+               mark_inode_dirty(new_inode);
 
                if (!new_inode->i_nlink)
                        add_orphan_inode(sbi, new_inode->i_ino);
@@ -459,11 +460,13 @@ static int f2fs_rename(struct inode *old_dir,
struct dentry *old_dentry,
                        f2fs_set_link(old_inode, old_dir_entry,
                                                old_dir_page, new_dir);
                        F2FS_I(old_inode)->i_pino = new_dir->i_ino;
+                       update_inode_page(old_inode);
                } else {
                        kunmap(old_dir_page);
                        f2fs_put_page(old_dir_page, 0);
                }
                drop_nlink(old_dir);
+               mark_inode_dirty(old_dir);
                update_inode_page(old_dir);
        }
 
-- 
1.8.4.474.g128a96c



-- 
Jaegeuk Kim
Samsung

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