[PATCH 12/21] btrfs: zoned: sync_write_pointer_for_zoned to zoned code

[Johannes Thumshirn <johannes.thumshirn@wdc.com>]

sync_write_pointer_for_zoned() is only used on a zoned filesystem, so move
it to zoned code.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
---
 fs/btrfs/scrub.c | 28 +---------------------------
 fs/btrfs/zoned.c | 26 ++++++++++++++++++++++++++
 fs/btrfs/zoned.h |  9 +++++++++
 3 files changed, 36 insertions(+), 27 deletions(-)

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 64728ca585c52..ccb74f2e75b92 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -3071,32 +3071,6 @@ static void sync_replace_for_zoned(struct scrub_ctx *sctx)
 	wait_event(sctx->list_wait, atomic_read(&sctx->bios_in_flight) == 0);
 }
 
-static int sync_write_pointer_for_zoned(struct scrub_ctx *sctx, u64 logical,
-					u64 physical, u64 physical_end)
-{
-	struct btrfs_fs_info *fs_info = sctx->fs_info;
-	int ret = 0;
-
-	if (!btrfs_is_zoned(fs_info))
-		return 0;
-
-	wait_event(sctx->list_wait, atomic_read(&sctx->bios_in_flight) == 0);
-
-	mutex_lock(&sctx->wr_lock);
-	if (sctx->write_pointer < physical_end) {
-		ret = btrfs_sync_zone_write_pointer(sctx->wr_tgtdev, logical,
-						    physical,
-						    sctx->write_pointer);
-		if (ret)
-			btrfs_err(fs_info,
-				  "zoned: failed to recover write pointer");
-	}
-	mutex_unlock(&sctx->wr_lock);
-	btrfs_dev_clear_zone_empty(sctx->wr_tgtdev, physical);
-
-	return ret;
-}
-
 static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
 					   struct map_lookup *map,
 					   struct btrfs_device *scrub_dev,
@@ -3502,7 +3476,7 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
 	if (sctx->is_dev_replace && ret >= 0) {
 		int ret2;
 
-		ret2 = sync_write_pointer_for_zoned(sctx, base + offset,
+		ret2 = btrfs_sync_write_pointer_for_zoned(sctx, base + offset,
 						    map->stripes[num].physical,
 						    physical_end);
 		if (ret2)
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index 8493093aea849..7f3e3e34fd783 100644
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -2256,3 +2256,29 @@ int btrfs_fill_writer_pointer_gap(struct scrub_ctx *sctx, u64 physical)
 	}
 	return ret;
 }
+
+int btrfs_sync_write_pointer_for_zoned(struct scrub_ctx *sctx, u64 logical,
+				       u64 physical, u64 physical_end)
+{
+	struct btrfs_fs_info *fs_info = sctx->fs_info;
+	int ret = 0;
+
+	if (!btrfs_is_zoned(fs_info))
+		return 0;
+
+	wait_event(sctx->list_wait, atomic_read(&sctx->bios_in_flight) == 0);
+
+	mutex_lock(&sctx->wr_lock);
+	if (sctx->write_pointer < physical_end) {
+		ret = btrfs_sync_zone_write_pointer(sctx->wr_tgtdev, logical,
+						    physical,
+						    sctx->write_pointer);
+		if (ret)
+			btrfs_err(fs_info,
+				  "zoned: failed to recover write pointer");
+	}
+	mutex_unlock(&sctx->wr_lock);
+	btrfs_dev_clear_zone_empty(sctx->wr_tgtdev, physical);
+
+	return ret;
+}
diff --git a/fs/btrfs/zoned.h b/fs/btrfs/zoned.h
index 5701f659b1c39..db2baebab8f50 100644
--- a/fs/btrfs/zoned.h
+++ b/fs/btrfs/zoned.h
@@ -86,6 +86,8 @@ bool btrfs_finish_block_group_to_copy(struct btrfs_device *srcdev,
 				      u64 physical);
 bool btrfs_is_block_group_to_copy(struct btrfs_fs_info *fs_info, u64 logical);
 int btrfs_fill_writer_pointer_gap(struct scrub_ctx *sctx, u64 physical);
+int btrfs_sync_write_pointer_for_zoned(struct scrub_ctx *sctx, u64 logical,
+				       u64 physical, u64 physical_end);
 #else /* CONFIG_BLK_DEV_ZONED */
 static inline int btrfs_get_dev_zone(struct btrfs_device *device, u64 pos,
 				     struct blk_zone *zone)
@@ -268,6 +270,13 @@ static inline int btrfs_fill_writer_pointer_gap(struct scrub_ctx *sctx,
 {
 	return 0;
 }
+
+static inline int btrfs_sync_write_pointer_for_zoned(struct scrub_ctx *sctx,
+						     u64 logical, u64 physical,
+						     u64 physical_end)
+{
+	return 0;
+}
 #endif
 
 static inline bool btrfs_dev_is_sequential(struct btrfs_device *device, u64 pos)
-- 
2.31.1