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SubjectRe: [PATCH 1/2 v2] f2fs: call mark_inode_dirty to flush dirty pages
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Date
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.kim@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.kim@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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