7 files changed, 25 insertions, 19 deletions
diff --git a/fs/btrfs/accessors.c b/fs/btrfs/accessors.c
index 79026917db19..e3716516ca38 100644
--- a/fs/btrfs/accessors.c
+++ b/fs/btrfs/accessors.c
@@ -3,7 +3,7 @@
  * Copyright (C) 2007 Oracle.  All rights reserved.
  */
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 #include "messages.h"
 #include "extent_io.h"
 #include "fs.h"
diff --git a/fs/btrfs/accessors.h b/fs/btrfs/accessors.h
index b2eb9cde2c5d..7a7e0ef69973 100644
--- a/fs/btrfs/accessors.h
+++ b/fs/btrfs/accessors.h
@@ -3,7 +3,7 @@
 #ifndef BTRFS_ACCESSORS_H
 #define BTRFS_ACCESSORS_H
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 #include <linux/stddef.h>
 #include <linux/types.h>
 #include <linux/align.h>
diff --git a/fs/btrfs/bio.c b/fs/btrfs/bio.c
index ce13416bc10f..fec5c6cde0a7 100644
--- a/fs/btrfs/bio.c
+++ b/fs/btrfs/bio.c
@@ -73,20 +73,13 @@ struct btrfs_bio *btrfs_bio_alloc(unsigned int nr_vecs, blk_opf_t opf,
 
 static struct btrfs_bio *btrfs_split_bio(struct btrfs_fs_info *fs_info,
 					 struct btrfs_bio *orig_bbio,
-					 u64 map_length, bool use_append)
+					 u64 map_length)
 {
 	struct btrfs_bio *bbio;
 	struct bio *bio;
 
-	if (use_append) {
-		unsigned int nr_segs;
-
-		bio = bio_split_rw(&orig_bbio->bio, &fs_info->limits, &nr_segs,
-				   &btrfs_clone_bioset, map_length);
-	} else {
-		bio = bio_split(&orig_bbio->bio, map_length >> SECTOR_SHIFT,
-				GFP_NOFS, &btrfs_clone_bioset);
-	}
+	bio = bio_split(&orig_bbio->bio, map_length >> SECTOR_SHIFT, GFP_NOFS,
+			&btrfs_clone_bioset);
 	bbio = btrfs_bio(bio);
 	btrfs_bio_init(bbio, fs_info, NULL, orig_bbio);
 	bbio->inode = orig_bbio->inode;
@@ -659,6 +652,19 @@ static bool btrfs_wq_submit_bio(struct btrfs_bio *bbio,
 	return true;
 }
 
+static u64 btrfs_append_map_length(struct btrfs_bio *bbio, u64 map_length)
+{
+	unsigned int nr_segs;
+	int sector_offset;
+
+	map_length = min(map_length, bbio->fs_info->max_zone_append_size);
+	sector_offset = bio_split_rw_at(&bbio->bio, &bbio->fs_info->limits,
+					&nr_segs, map_length);
+	if (sector_offset)
+		return sector_offset << SECTOR_SHIFT;
+	return map_length;
+}
+
 static bool btrfs_submit_chunk(struct btrfs_bio *bbio, int mirror_num)
 {
 	struct btrfs_inode *inode = bbio->inode;
@@ -688,10 +694,10 @@ static bool btrfs_submit_chunk(struct btrfs_bio *bbio, int mirror_num)
 
 	map_length = min(map_length, length);
 	if (use_append)
-		map_length = min(map_length, fs_info->max_zone_append_size);
+		map_length = btrfs_append_map_length(bbio, map_length);
 
 	if (map_length < length) {
-		bbio = btrfs_split_bio(fs_info, bbio, map_length, use_append);
+		bbio = btrfs_split_bio(fs_info, bbio, map_length);
 		bio = &bbio->bio;
 	}
 
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 1238a38c59b2..4ad5db619b00 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -17,7 +17,7 @@
 #include <linux/error-injection.h>
 #include <linux/crc32c.h>
 #include <linux/sched/mm.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 #include <crypto/hash.h>
 #include "ctree.h"
 #include "disk-io.h"
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index c6e4b58c334c..5618ca02934a 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -32,7 +32,7 @@
 #include <linux/migrate.h>
 #include <linux/sched/mm.h>
 #include <linux/iomap.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 #include <linux/fsverity.h>
 #include "misc.h"
 #include "ctree.h"
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 8537eb9b5531..226c91fe31a7 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1310,12 +1310,12 @@ static noinline int __btrfs_ioctl_snap_create(struct file *file,
 	} else {
 		struct fd src = fdget(fd);
 		struct inode *src_inode;
-		if (!src.file) {
+		if (!fd_file(src)) {
 			ret = -EINVAL;
 			goto out_drop_write;
 		}
 
-		src_inode = file_inode(src.file);
+		src_inode = file_inode(fd_file(src));
 		if (src_inode->i_sb != file_inode(file)->i_sb) {
 			btrfs_info(BTRFS_I(file_inode(file))->root->fs_info,
 				   "Snapshot src from another FS");
diff --git a/fs/btrfs/uuid-tree.c b/fs/btrfs/uuid-tree.c
index c6399513c66f..aca2861f2187 100644
--- a/fs/btrfs/uuid-tree.c
+++ b/fs/btrfs/uuid-tree.c
@@ -5,7 +5,7 @@
 
 #include <linux/kthread.h>
 #include <linux/uuid.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 #include "messages.h"
 #include "ctree.h"
 #include "transaction.h"