Add struct io_btrfs_cmd as a wrapper type for io_uring_cmd_to_pdu(),
rather than using a raw pointer.
Signed-off-by: Mark Harmstone <maharmstone@xxxxxx>
Suggested-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
---
fs/btrfs/ioctl.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index cf63264a3a60..27a9342cd91c 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -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);
}
--
2.45.2
