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| author | Caleb Sander Mateos <csander@purestorage.com> | 2025-03-25 17:39:42 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-03-26 13:26:45 +0300 |
| commit | 73b6dacb1c6feae8ca4a6ff120848430aeb57fbd (patch) | |
| tree | 69e43cac2f9388382a5cb7b026cb51d496d04394 /include/linux | |
| parent | 816619782bdc70d7f33a8d0cda36d61414cec467 (diff) | |
| download | linux-73b6dacb1c6feae8ca4a6ff120848430aeb57fbd.tar.xz | |
io_uring/net: use REQ_F_IMPORT_BUFFER for send_zc
Instead of a bool field in struct io_sr_msg, use REQ_F_IMPORT_BUFFER to
track whether io_send_zc() has already imported the buffer. This flag
already serves a similar purpose for sendmsg_zc and {read,write}v_fixed.
Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Suggested-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/20250325143943.1226467-1-csander@purestorage.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/io_uring_types.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h index c17d2eedf478..699e2c0895ae 100644 --- a/include/linux/io_uring_types.h +++ b/include/linux/io_uring_types.h @@ -585,7 +585,10 @@ enum { REQ_F_BUF_NODE = IO_REQ_FLAG(REQ_F_BUF_NODE_BIT), /* request has read/write metadata assigned */ REQ_F_HAS_METADATA = IO_REQ_FLAG(REQ_F_HAS_METADATA_BIT), - /* resolve padded iovec to registered buffers */ + /* + * For vectored fixed buffers, resolve iovec to registered buffers. + * For SEND_ZC, whether to import buffers (i.e. the first issue). + */ REQ_F_IMPORT_BUFFER = IO_REQ_FLAG(REQ_F_IMPORT_BUFFER_BIT), }; |