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X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Mar 2025 10:12:53.8943 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: FyLEuR7i4+lDJtfz0EXjKTAQKs35J596KIubcGVFg7yaO+5QWyplT1OUji+atRwaRaFYmRittygp2Yg6itpwAw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR10MB7074 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1093,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-06_04,2025-03-06_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 suspectscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2502100000 definitions=main-2503060075 X-Proofpoint-GUID: DRskPooSjwm2gSWGLGgyyC_gvGfhWNVk X-Proofpoint-ORIG-GUID: DRskPooSjwm2gSWGLGgyyC_gvGfhWNVk On 05/03/2025 21:06, Jens Axboe wrote: > The IOPOLL path posts CQEs when the io_kiocb is marked as completed, > so it cannot rely on the usual retry that non-IOPOLL requests do for > read/write requests. > > If -EAGAIN is received and the request should be retried, go through > the normal completion path and let the normal flush logic catch it and > reissue it, like what is done for !IOPOLL reads or writes. > > Fixes: d803d123948f ("io_uring/rw: handle -EAGAIN retry at IO completion time") > Reported-by: John Garry > Link:https://urldefense.com/v3/__https://lore.kernel.org/io- > uring/2b43ccfa-644d-4a09-8f8f-39ad71810f41@oracle.com/__;!! > ACWV5N9M2RV99hQ!J4rCZomS7jntxigOWFGkQC3hFMb5EZf3-aZG4hZCB6n_quTKHse9g- > WSxf46gMXpEfyzjaAQKTff2J9o0pg$ > Signed-off-by: Jens Axboe This solves the issue which I was seeing, so: Tested-by: John Garry cheers