This patch integrates inode_[inc|dec]_dirty_dents with inc_page_count to remove
redundant calls.

Signed-off-by: Jaegeuk Kim <jaegeuk....@samsung.com>
---
 fs/f2fs/checkpoint.c |  1 -
 fs/f2fs/data.c       | 11 ++---------
 fs/f2fs/dir.c        |  4 ++--
 fs/f2fs/f2fs.h       |  5 +++++
 fs/f2fs/gc.c         |  7 +------
 5 files changed, 10 insertions(+), 18 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 8f5dff1..427dd55 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -508,7 +508,6 @@ void set_dirty_dir_page(struct inode *inode, struct page 
*page)
        if (__add_dirty_inode(inode, new))
                kmem_cache_free(inode_entry_slab, new);
 
-       inc_page_count(sbi, F2FS_DIRTY_DENTS);
        inode_inc_dirty_dents(inode);
        SetPagePrivate(page);
        spin_unlock(&sbi->dir_inode_lock);
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index d175ae3..b401be7 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -799,10 +799,7 @@ static int f2fs_write_data_page(struct page *page,
         */
        offset = i_size & (PAGE_CACHE_SIZE - 1);
        if ((page->index >= end_index + 1) || !offset) {
-               if (S_ISDIR(inode->i_mode)) {
-                       dec_page_count(sbi, F2FS_DIRTY_DENTS);
-                       inode_dec_dirty_dents(inode);
-               }
+               inode_dec_dirty_dents(inode);
                goto out;
        }
 
@@ -815,7 +812,6 @@ write:
 
        /* Dentry blocks are controlled by checkpoint */
        if (S_ISDIR(inode->i_mode)) {
-               dec_page_count(sbi, F2FS_DIRTY_DENTS);
                inode_dec_dirty_dents(inode);
                err = do_write_data_page(page, &fio);
        } else {
@@ -1033,11 +1029,8 @@ static void f2fs_invalidate_data_page(struct page *page, 
unsigned int offset,
                                      unsigned int length)
 {
        struct inode *inode = page->mapping->host;
-       struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
-       if (S_ISDIR(inode->i_mode) && PageDirty(page)) {
-               dec_page_count(sbi, F2FS_DIRTY_DENTS);
+       if (PageDirty(page))
                inode_dec_dirty_dents(inode);
-       }
        ClearPagePrivate(page);
 }
 
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 92ce1db..e095a4f 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -531,7 +531,6 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, 
struct page *page,
        unsigned int bit_pos;
        struct address_space *mapping = page->mapping;
        struct inode *dir = mapping->host;
-       struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
        int slots = GET_DENTRY_SLOTS(le16_to_cpu(dentry->name_len));
        void *kaddr = page_address(page);
        int i;
@@ -554,6 +553,8 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, 
struct page *page,
        dir->i_ctime = dir->i_mtime = CURRENT_TIME;
 
        if (inode) {
+               struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
+
                if (S_ISDIR(inode->i_mode)) {
                        drop_nlink(dir);
                        update_inode_page(dir);
@@ -576,7 +577,6 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, 
struct page *page,
                truncate_hole(dir, page->index, page->index + 1);
                clear_page_dirty_for_io(page);
                ClearPageUptodate(page);
-               dec_page_count(sbi, F2FS_DIRTY_DENTS);
                inode_dec_dirty_dents(dir);
        }
        f2fs_put_page(page, 1);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index aeff132..4841d12 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -662,6 +662,7 @@ static inline void inc_page_count(struct f2fs_sb_info *sbi, 
int count_type)
 
 static inline void inode_inc_dirty_dents(struct inode *inode)
 {
+       inc_page_count(F2FS_SB(inode->i_sb), F2FS_DIRTY_DENTS);
        atomic_inc(&F2FS_I(inode)->dirty_dents);
 }
 
@@ -672,6 +673,10 @@ static inline void dec_page_count(struct f2fs_sb_info 
*sbi, int count_type)
 
 static inline void inode_dec_dirty_dents(struct inode *inode)
 {
+       if (!S_ISDIR(inode->i_mode))
+               return;
+
+       dec_page_count(F2FS_SB(inode->i_sb), F2FS_DIRTY_DENTS);
        atomic_dec(&F2FS_I(inode)->dirty_dents);
 }
 
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index b0f5762..b161db4 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -531,15 +531,10 @@ static void move_data_page(struct inode *inode, struct 
page *page, int gc_type)
                set_page_dirty(page);
                set_cold_data(page);
        } else {
-               struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
-
                f2fs_wait_on_page_writeback(page, DATA);
 
-               if (clear_page_dirty_for_io(page) &&
-                       S_ISDIR(inode->i_mode)) {
-                       dec_page_count(sbi, F2FS_DIRTY_DENTS);
+               if (clear_page_dirty_for_io(page))
                        inode_dec_dirty_dents(inode);
-               }
                set_cold_data(page);
                do_write_data_page(page, &fio);
                clear_cold_data(page);
-- 
1.8.4.474.g128a96c


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