This patch introduces a new helper log_type_to_seg_type() to convert
log type to segment data type, and uses it to clean up opened codes
in build_curseg(), and also it fixes to convert log type before use
in do_write_page().

Signed-off-by: Chao Yu <c...@kernel.org>
---
 fs/f2fs/segment.c | 36 ++++++++++++++++++++++++++++--------
 1 file changed, 28 insertions(+), 8 deletions(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index a1806976f4ad..e172b3d0aec3 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3836,10 +3836,35 @@ void f2fs_update_device_state(struct f2fs_sb_info *sbi, 
nid_t ino,
        }
 }
 
+static int log_type_to_seg_type(enum log_type type)
+{
+       int seg_type = CURSEG_COLD_DATA;
+
+       switch (type) {
+       case CURSEG_HOT_DATA:
+       case CURSEG_WARM_DATA:
+       case CURSEG_COLD_DATA:
+       case CURSEG_HOT_NODE:
+       case CURSEG_WARM_NODE:
+       case CURSEG_COLD_NODE:
+               seg_type = (int)type;
+               break;
+       case CURSEG_COLD_DATA_PINNED:
+       case CURSEG_ALL_DATA_ATGC:
+               seg_type = CURSEG_COLD_DATA;
+               break;
+       default:
+               break;
+       }
+       return seg_type;
+}
+
 static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
 {
-       int type = __get_segment_type(fio);
-       bool keep_order = (f2fs_lfs_mode(fio->sbi) && type == CURSEG_COLD_DATA);
+       enum log_type type = __get_segment_type(fio);
+       int seg_type = log_type_to_seg_type(type);
+       bool keep_order = (f2fs_lfs_mode(fio->sbi) &&
+                               seg_type == CURSEG_COLD_DATA);
 
        if (keep_order)
                f2fs_down_read(&fio->sbi->io_order_lock);
@@ -4845,12 +4870,7 @@ static int build_curseg(struct f2fs_sb_info *sbi)
                                sizeof(struct f2fs_journal), GFP_KERNEL);
                if (!array[i].journal)
                        return -ENOMEM;
-               if (i < NR_PERSISTENT_LOG)
-                       array[i].seg_type = CURSEG_HOT_DATA + i;
-               else if (i == CURSEG_COLD_DATA_PINNED)
-                       array[i].seg_type = CURSEG_COLD_DATA;
-               else if (i == CURSEG_ALL_DATA_ATGC)
-                       array[i].seg_type = CURSEG_COLD_DATA;
+               array[i].seg_type = log_type_to_seg_type(i);
                reset_curseg_fields(&array[i]);
        }
        return restore_curseg_summaries(sbi);
-- 
2.40.1



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