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-rw-r--r--fs/f2fs/file.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 7c652b3..9b888fb 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -133,6 +133,17 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
return ret;
}
+ /*
+ * if there is no written data, don't waste time to write recovery info.
+ */
+ if (!is_inode_flag_set(fi, FI_APPEND_WRITE) &&
+ !exist_written_data(sbi, inode->i_ino, APPEND_INO)) {
+ if (is_inode_flag_set(fi, FI_UPDATE_WRITE) ||
+ exist_written_data(sbi, inode->i_ino, UPDATE_INO))
+ goto flush_out;
+ goto out;
+ }
+
/* guarantee free sections for fsync */
f2fs_balance_fs(sbi);
@@ -188,6 +199,13 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
ret = wait_on_node_pages_writeback(sbi, inode->i_ino);
if (ret)
goto out;
+
+ /* once recovery info is written, don't need to tack this */
+ remove_dirty_inode(sbi, inode->i_ino, APPEND_INO);
+ clear_inode_flag(fi, FI_APPEND_WRITE);
+flush_out:
+ remove_dirty_inode(sbi, inode->i_ino, UPDATE_INO);
+ clear_inode_flag(fi, FI_UPDATE_WRITE);
ret = f2fs_issue_flush(F2FS_SB(inode->i_sb));
}
out:
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