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| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-09-21 12:17:47 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-09-21 13:15:02 -0600 |
| commit | 47b4c68660752facfa6247b1fc9ca9d722b8b601 (patch) | |
| tree | d578f234cdbfaa7722112d92b222e08ee9dc7b76 /io_uring/opdef.c | |
| parent | a47b255e90395bdb481975ab3d9e96fcf8b3165f (diff) | |
| download | lwn-47b4c68660752facfa6247b1fc9ca9d722b8b601.tar.gz lwn-47b4c68660752facfa6247b1fc9ca9d722b8b601.zip | |
io_uring/rw: don't lose partial IO result on fail
A partially done read/write may end up in io_req_complete_failed() and
loose the result, make sure we return the number of bytes processed.
Cc: stable@vger.kernel.org
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/05e0879c226bcd53b441bf92868eadd4bf04e2fc.1663668091.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/opdef.c')
| -rw-r--r-- | io_uring/opdef.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/io_uring/opdef.c b/io_uring/opdef.c index c99db6f71244..224e5b30909d 100644 --- a/io_uring/opdef.c +++ b/io_uring/opdef.c @@ -69,6 +69,7 @@ const struct io_op_def io_op_defs[] = { .issue = io_read, .prep_async = io_readv_prep_async, .cleanup = io_readv_writev_cleanup, + .fail = io_rw_fail, }, [IORING_OP_WRITEV] = { .needs_file = 1, @@ -85,6 +86,7 @@ const struct io_op_def io_op_defs[] = { .issue = io_write, .prep_async = io_writev_prep_async, .cleanup = io_readv_writev_cleanup, + .fail = io_rw_fail, }, [IORING_OP_FSYNC] = { .needs_file = 1, @@ -105,6 +107,7 @@ const struct io_op_def io_op_defs[] = { .name = "READ_FIXED", .prep = io_prep_rw, .issue = io_read, + .fail = io_rw_fail, }, [IORING_OP_WRITE_FIXED] = { .needs_file = 1, @@ -119,6 +122,7 @@ const struct io_op_def io_op_defs[] = { .name = "WRITE_FIXED", .prep = io_prep_rw, .issue = io_write, + .fail = io_rw_fail, }, [IORING_OP_POLL_ADD] = { .needs_file = 1, @@ -275,6 +279,7 @@ const struct io_op_def io_op_defs[] = { .name = "READ", .prep = io_prep_rw, .issue = io_read, + .fail = io_rw_fail, }, [IORING_OP_WRITE] = { .needs_file = 1, @@ -289,6 +294,7 @@ const struct io_op_def io_op_defs[] = { .name = "WRITE", .prep = io_prep_rw, .issue = io_write, + .fail = io_rw_fail, }, [IORING_OP_FADVISE] = { .needs_file = 1, |