Re: (subset) [PATCH v2 0/4] io_uring/btrfs: remove struct io_uring_cmd_data

[Jens Axboe]

On Tue, 08 Jul 2025 14:22:08 -0600, Caleb Sander Mateos wrote:
> btrfs's ->uring_cmd() implementations are the only ones using io_uring_cmd_data
> to store data that lasts for the lifetime of the uring_cmd. But all uring_cmds
> have to pay the memory and CPU cost of initializing this field and freeing the
> pointer if necessary when the uring_cmd ends. There is already a pdu field in
> struct io_uring_cmd that ->uring_cmd() implementations can use for storage. The
> only benefit of op_data seems to be that io_uring initializes it, so
> ->uring_cmd() can read it to tell if there was a previous call to ->uring_cmd().
> 
> [...]

Applied, thanks!

[2/4] io_uring/cmd: introduce IORING_URING_CMD_REISSUE flag
      commit: 733c43f1df34f9185b945e6f12ac00c8556c6dfe
[3/4] btrfs/ioctl: store btrfs_uring_encoded_data in io_btrfs_cmd
      commit: 9aad72b4e3f0233e747bb6b1ec05ea71365f4246
[4/4] io_uring/cmd: remove struct io_uring_cmd_data
      commit: 2e6dbb25ea15844c8b617260d635731c37c85ac9

Best regards,
-- 
Jens Axboe