f2fs: move f2fs_balance_fs to punch_hole

The f2fs_fallocate() has two operations: punch_hole and expand_size.

Only in the case of punch_hole, dirty node pages can be produced, so let's
trigger f2fs_balance_fs() in this case only.
Furthermore, let's trigger it at every data truncation routine.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 7354c2df1087a80948aa5842eb8aa2dc68beedd6..819de7f39f265a2700bc10c4321cc0d2aa3feed4 100644 (file)
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -410,6 +410,8 @@ int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end)
                struct dnode_of_data dn;
                struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
 
+               f2fs_balance_fs(sbi);
+
                mutex_lock_op(sbi, DATA_TRUNC);
                set_new_dnode(&dn, inode, NULL, NULL, 0);
                err = get_dnode_of_data(&dn, index, RDONLY_NODE);
@@ -537,7 +539,6 @@ static long f2fs_fallocate(struct file *file, int mode,
                                loff_t offset, loff_t len)
 {
        struct inode *inode = file->f_path.dentry->d_inode;
-       struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
        long ret;
 
        if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
@@ -552,8 +553,6 @@ static long f2fs_fallocate(struct file *file, int mode,
                inode->i_mtime = inode->i_ctime = CURRENT_TIME;
                mark_inode_dirty(inode);
        }
-
-       f2fs_balance_fs(sbi);
        return ret;
 }