f2fs: record dirty status of regular/symlink inode

Maintain regular/symlink inode which has dirty pages in global dirty list
and record their total dirty pages count like the way of handling directory
inode.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 17 insertions, 10 deletions

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 37cf04b3ff37..03a2b86a28ba 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -648,6 +648,7 @@ struct f2fs_sm_info {
 enum count_type {
 	F2FS_WRITEBACK,
 	F2FS_DIRTY_DENTS,
+	F2FS_DIRTY_DATA,
 	F2FS_DIRTY_NODES,
 	F2FS_DIRTY_META,
 	F2FS_INMEM_PAGES,
@@ -696,6 +697,12 @@ struct f2fs_bio_info {
 	struct rw_semaphore io_rwsem;	/* blocking op for bio */
 };
 
+enum inode_type {
+	DIR_INODE,			/* for dirty dir inode */
+	FILE_INODE,			/* for dirty regular/symlink inode */
+	NR_INODE_TYPE,
+};
+
 /* for inner inode cache management */
 struct inode_management {
 	struct radix_tree_root ino_root;	/* ino entry array */
@@ -745,9 +752,9 @@ struct f2fs_sb_info {
 	/* for orphan inode, use 0'th array */
 	unsigned int max_orphans;		/* max orphan inodes */
 
-	/* for directory inode management */
-	struct list_head dir_inode_list;	/* dir inode list */
-	spinlock_t dir_inode_lock;		/* for dir inode list lock */
+	/* for inode management */
+	struct list_head inode_list[NR_INODE_TYPE];	/* dirty inode list */
+	spinlock_t inode_lock[NR_INODE_TYPE];	/* for dirty inode list lock */
 
 	/* for extent tree cache */
 	struct radix_tree_root extent_tree_root;/* cache extent cache entries */
@@ -1060,8 +1067,8 @@ static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type)
 static inline void inode_inc_dirty_pages(struct inode *inode)
 {
 	atomic_inc(&F2FS_I(inode)->dirty_pages);
-	if (S_ISDIR(inode->i_mode))
-		inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_DENTS);
+	inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
+				F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
 }
 
 static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type)
@@ -1076,9 +1083,8 @@ static inline void inode_dec_dirty_pages(struct inode *inode)
 		return;
 
 	atomic_dec(&F2FS_I(inode)->dirty_pages);
-
-	if (S_ISDIR(inode->i_mode))
-		dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_DENTS);
+	dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
+				F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
 }
 
 static inline int get_pages(struct f2fs_sb_info *sbi, int count_type)
@@ -1417,6 +1423,7 @@ enum {
 	FI_DATA_EXIST,		/* indicate data exists */
 	FI_INLINE_DOTS,		/* indicate inline dot dentries */
 	FI_DO_DEFRAG,		/* indicate defragment is running */
+	FI_DIRTY_FILE,		/* indicate regular/symlink has dirty pages */
 };
 
 static inline void set_inode_flag(struct f2fs_inode_info *fi, int flag)
@@ -1826,8 +1833,8 @@ int recover_orphan_inodes(struct f2fs_sb_info *);
 int get_valid_checkpoint(struct f2fs_sb_info *);
 void update_dirty_page(struct inode *, struct page *);
 void add_dirty_dir_inode(struct inode *);
-void remove_dirty_dir_inode(struct inode *);
-void sync_dirty_dir_inodes(struct f2fs_sb_info *);
+void remove_dirty_inode(struct inode *);
+void sync_dirty_inodes(struct f2fs_sb_info *, enum inode_type);
 void write_checkpoint(struct f2fs_sb_info *, struct cp_control *);
 void init_ino_entry_info(struct f2fs_sb_info *);
 int __init create_checkpoint_caches(void);