btrfs: pass btrfs_inode to btrfs_wq_submit_bio

The function is for internal interfaces so we should use the
btrfs_inode.
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/disk-io.c

@@ -698,17 +698,17 @@ static void run_one_async_free(struct btrfs_work *work)
  * - true if the work has been succesfuly submitted
  * - false in case of error
  */
-bool btrfs_wq_submit_bio(struct inode *inode, struct bio *bio, int mirror_num,
+bool btrfs_wq_submit_bio(struct btrfs_inode *inode, struct bio *bio, int mirror_num,
 			 u64 dio_file_offset, enum btrfs_wq_submit_cmd cmd)
 {
-	struct btrfs_fs_info *fs_info = BTRFS_I(inode)->root->fs_info;
+	struct btrfs_fs_info *fs_info = inode->root->fs_info;
 	struct async_submit_bio *async;
 
 	async = kmalloc(sizeof(*async), GFP_NOFS);
 	if (!async)
 		return false;
 
-	async->inode = BTRFS_I(inode);
+	async->inode = inode;
 	async->bio = bio;
 	async->mirror_num = mirror_num;
 	async->submit_cmd = cmd;
@@ -784,7 +784,7 @@ void btrfs_submit_metadata_bio(struct inode *inode, struct bio *bio, int mirror_
 	 * happen in parallel across all CPUs.
 	 */
 	if (should_async_write(fs_info, BTRFS_I(inode)) &&
-	    btrfs_wq_submit_bio(inode, bio, mirror_num, 0, WQ_SUBMIT_METADATA))
+	    btrfs_wq_submit_bio(BTRFS_I(inode), bio, mirror_num, 0, WQ_SUBMIT_METADATA))
 		return;
 
 	ret = btree_csum_one_bio(bio);

fs/btrfs/disk-io.h

@@ -120,7 +120,7 @@ enum btrfs_wq_submit_cmd {
 	WQ_SUBMIT_DATA_DIO,
 };
 
-bool btrfs_wq_submit_bio(struct inode *inode, struct bio *bio, int mirror_num,
+bool btrfs_wq_submit_bio(struct btrfs_inode *inode, struct bio *bio, int mirror_num,
 			 u64 dio_file_offset, enum btrfs_wq_submit_cmd cmd);
 blk_status_t btree_submit_bio_start(struct bio *bio);
 int btrfs_alloc_log_tree_node(struct btrfs_trans_handle *trans,

fs/btrfs/inode.c

@@ -2757,7 +2757,7 @@ void btrfs_submit_data_write_bio(struct inode *inode, struct bio *bio, int mirro
 	    !test_bit(BTRFS_FS_STATE_NO_CSUMS, &fs_info->fs_state) &&
 	    !btrfs_is_data_reloc_root(bi->root)) {
 		if (!atomic_read(&bi->sync_writers) &&
-		    btrfs_wq_submit_bio(inode, bio, mirror_num, 0, WQ_SUBMIT_DATA))
+		    btrfs_wq_submit_bio(bi, bio, mirror_num, 0, WQ_SUBMIT_DATA))
 			return;
 
 		ret = btrfs_csum_one_bio(bi, bio, (u64)-1, false);
@@ -8014,7 +8014,7 @@ static void btrfs_submit_dio_bio(struct bio *bio, struct inode *inode,
 	if (btrfs_op(bio) == BTRFS_MAP_WRITE) {
 		/* Check btrfs_submit_data_write_bio() for async submit rules */
 		if (async_submit && !atomic_read(&BTRFS_I(inode)->sync_writers) &&
-		    btrfs_wq_submit_bio(inode, bio, 0, file_offset,
+		    btrfs_wq_submit_bio(BTRFS_I(inode), bio, 0, file_offset,
 					WQ_SUBMIT_DATA_DIO))
 			return;