From: Daeho Jeong <[email protected]>

Make to allocate logs after conventional area for HM zoned devices to
spare them for file pinning support.

Signed-off-by: Daeho Jeong <[email protected]>
---
v2: make current segment numbers relative to main start block. check
    zoned block availability before the allocation.
---
 mkfs/f2fs_format.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
index f2840c8..57ea9ea 100644
--- a/mkfs/f2fs_format.c
+++ b/mkfs/f2fs_format.c
@@ -558,6 +558,16 @@ static int f2fs_prepare_super_block(void)
                c.cur_seg[CURSEG_WARM_DATA] = next_zone(CURSEG_COLD_DATA);
        } else if (c.zoned_mode) {
                c.cur_seg[CURSEG_HOT_NODE] = 0;
+               if (c.zoned_model == F2FS_ZONED_HM) {
+                       uint32_t conv_zones =
+                               c.devices[0].total_segments / c.segs_per_zone
+                               - total_meta_zones;
+
+                       if (total_zones - conv_zones >= avail_zones)
+                               c.cur_seg[CURSEG_HOT_NODE] =
+                                       (c.devices[1].start_blkaddr -
+                                        get_sb(main_blkaddr)) / c.blks_per_seg;
+               }
                c.cur_seg[CURSEG_WARM_NODE] = next_zone(CURSEG_HOT_NODE);
                c.cur_seg[CURSEG_COLD_NODE] = next_zone(CURSEG_WARM_NODE);
                c.cur_seg[CURSEG_HOT_DATA] = next_zone(CURSEG_COLD_NODE);
-- 
2.43.0.429.g432eaa2c6b-goog



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