f2fs: change get_new_data_page to pass a locked node page

This patch is for passing a locked node page to get_dnode_of_data.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 05fb5c6..af74549 100644 (file)
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -280,8 +280,8 @@ repeat:
  * Also, caller should grab and release a mutex by calling mutex_lock_op() and
  * mutex_unlock_op().
  */
-struct page *get_new_data_page(struct inode *inode, pgoff_t index,
-                                               bool new_i_size)
+struct page *get_new_data_page(struct inode *inode,
+               struct page *npage, pgoff_t index, bool new_i_size)
 {
        struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
        struct address_space *mapping = inode->i_mapping;
@@ -289,18 +289,20 @@ struct page *get_new_data_page(struct inode *inode, pgoff_t index,
        struct dnode_of_data dn;
        int err;
 
-       set_new_dnode(&dn, inode, NULL, NULL, 0);
+       set_new_dnode(&dn, inode, npage, npage, 0);
        err = get_dnode_of_data(&dn, index, ALLOC_NODE);
        if (err)
                return ERR_PTR(err);
 
        if (dn.data_blkaddr == NULL_ADDR) {
                if (reserve_new_block(&dn)) {
-                       f2fs_put_dnode(&dn);
+                       if (!npage)
+                               f2fs_put_dnode(&dn);
                        return ERR_PTR(-ENOSPC);
                }
        }
-       f2fs_put_dnode(&dn);
+       if (!npage)
+               f2fs_put_dnode(&dn);
 repeat:
        page = grab_cache_page(mapping, index);
        if (!page)

diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 1ac6b93..7db6e58 100644 (file)
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -287,7 +287,7 @@ static int make_empty_dir(struct inode *inode, struct inode *parent)
        struct f2fs_dir_entry *de;
        void *kaddr;
 
-       dentry_page = get_new_data_page(inode, 0, true);
+       dentry_page = get_new_data_page(inode, NULL, 0, true);
        if (IS_ERR(dentry_page))
                return PTR_ERR(dentry_page);
 
@@ -448,7 +448,7 @@ start:
        bidx = dir_block_index(level, (le32_to_cpu(dentry_hash) % nbucket));
 
        for (block = bidx; block <= (bidx + nblock - 1); block++) {
-               dentry_page = get_new_data_page(dir, block, true);
+               dentry_page = get_new_data_page(dir, NULL, block, true);
                if (IS_ERR(dentry_page))
                        return PTR_ERR(dentry_page);
 

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index ef6cac8..cbae2b6 100644 (file)
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1027,7 +1027,7 @@ int reserve_new_block(struct dnode_of_data *);
 void update_extent_cache(block_t, struct dnode_of_data *);
 struct page *find_data_page(struct inode *, pgoff_t, bool);
 struct page *get_lock_data_page(struct inode *, pgoff_t);
-struct page *get_new_data_page(struct inode *, pgoff_t, bool);
+struct page *get_new_data_page(struct inode *, struct page *, pgoff_t, bool);
 int f2fs_readpage(struct f2fs_sb_info *, struct page *, block_t, int);
 int do_write_data_page(struct page *);
 

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 1cae864..b8e34db 100644 (file)
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -387,7 +387,7 @@ static void fill_zero(struct inode *inode, pgoff_t index,
        f2fs_balance_fs(sbi);
 
        ilock = mutex_lock_op(sbi);
-       page = get_new_data_page(inode, index, false);
+       page = get_new_data_page(inode, NULL, index, false);
        mutex_unlock_op(sbi, ilock);
 
        if (!IS_ERR(page)) {