Merge tag 'iommu-updates-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-block.git] / fs / f2fs / segment.h

diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index b3d9e317ff0c142b111488911edeb222dfebdbcb..ab3465faddf1336a7f8f7892bd6685195641bd37 100644 (file)
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * fs/f2fs/segment.h
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
  *             http://www.samsung.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #include <linux/blkdev.h>
 #include <linux/backing-dev.h>
@@ -342,6 +339,12 @@ static inline unsigned int get_valid_blocks(struct f2fs_sb_info *sbi,
                return get_seg_entry(sbi, segno)->valid_blocks;
 }
 
+static inline unsigned int get_ckpt_valid_blocks(struct f2fs_sb_info *sbi,
+                               unsigned int segno)
+{
+       return get_seg_entry(sbi, segno)->ckpt_valid_blocks;
+}
+
 static inline void seg_info_from_raw_sit(struct seg_entry *se,
                                        struct f2fs_sit_entry *rs)
 {
@@ -579,6 +582,15 @@ static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi,
                reserved_sections(sbi) + needed);
 }
 
+static inline int f2fs_is_checkpoint_ready(struct f2fs_sb_info *sbi)
+{
+       if (likely(!is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
+               return 0;
+       if (likely(!has_not_enough_free_secs(sbi, 0, 0)))
+               return 0;
+       return -ENOSPC;
+}
+
 static inline bool excess_prefree_segs(struct f2fs_sb_info *sbi)
 {
        return prefree_segments(sbi) > SM_I(sbi)->rec_prefree_segments;