Commit 1cc86aea authored by Mark Harmstone's avatar Mark Harmstone Committed by David Sterba
Browse files

btrfs: add struct io_btrfs_cmd as type for io_uring_cmd_to_pdu() 



Add struct io_btrfs_cmd as a wrapper type for io_uring_cmd_to_pdu(),
rather than using a raw pointer.

Suggested-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Signed-off-by: default avatarMark Harmstone <maharmstone@fb.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 34310c44

fs/btrfs/ioctl.c

+8 −2
Original line number Diff line number Diff line
@@ -4740,9 +4740,14 @@ struct btrfs_uring_priv { 
	bool compressed;

};



struct io_btrfs_cmd {

	struct btrfs_uring_priv *priv;

};



static void btrfs_uring_read_finished(struct io_uring_cmd *cmd, unsigned int issue_flags)

{

	struct btrfs_uring_priv *priv = *io_uring_cmd_to_pdu(cmd, struct btrfs_uring_priv *);

	struct io_btrfs_cmd *bc = io_uring_cmd_to_pdu(cmd, struct io_btrfs_cmd);

	struct btrfs_uring_priv *priv = bc->priv;

	struct btrfs_inode *inode = BTRFS_I(file_inode(priv->iocb.ki_filp));

	struct extent_io_tree *io_tree = &inode->io_tree;

	unsigned long index;
@@ -4796,10 +4801,11 @@ static void btrfs_uring_read_finished(struct io_uring_cmd *cmd, unsigned int iss 
void btrfs_uring_read_extent_endio(void *ctx, int err)

{

	struct btrfs_uring_priv *priv = ctx;

	struct io_btrfs_cmd *bc = io_uring_cmd_to_pdu(priv->cmd, struct io_btrfs_cmd);



	priv->err = err;

	bc->priv = priv;



	*io_uring_cmd_to_pdu(priv->cmd, struct btrfs_uring_priv *) = priv;

	io_uring_cmd_complete_in_task(priv->cmd, btrfs_uring_read_finished);

}