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btrfs: add struct io_btrfs_cmd as type for io_uring_cmd_to_pdu()

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

Suggested-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Mark Harmstone <maharmstone@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Mark Harmstone 2024-10-31 16:03:56 +00:00 committed by David Sterba
parent 34310c442e
commit 1cc86aeada
1 changed files with 8 additions and 2 deletions
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10
fs/btrfs/ioctl.c
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@ -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 @@ out:
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);
}