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X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: XXywVdRun9BFeB4YJ0LLYiZAo2vMayKt5xkh0IocWQ6uz1ITp0DwQf2wuI5yQT8iTs+PAL93wl5O1u+B+d76WQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR10MB6349 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-20_06,2024-02-19_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 phishscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 bulkscore=0 malwarescore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402200068 X-Proofpoint-GUID: MP8VTbLtJw16V6jTv26tnEEDWRw7sPAJ X-Proofpoint-ORIG-GUID: MP8VTbLtJw16V6jTv26tnEEDWRw7sPAJ On 19/02/2024 22:28, Dave Chinner wrote: >> >> +/** >> + * generic_fill_statx_atomic_writes - Fill in the atomic writes statx attributes >> + * @stat: Where to fill in the attribute flags >> + * @unit_min: Minimum supported atomic write length >> + * @unit_max: Maximum supported atomic write length >> + * >> + * Fill in the STATX{_ATTR}_WRITE_ATOMIC flags in the kstat structure from >> + * atomic write unit_min and unit_max values. >> + */ >> +void generic_fill_statx_atomic_writes(struct kstat *stat, >> + unsigned int unit_min, >> + unsigned int unit_max) >> +{ >> + /* Confirm that the request type is known */ >> + stat->result_mask |= STATX_WRITE_ATOMIC; >> + >> + /* Confirm that the file attribute type is known */ >> + stat->attributes_mask |= STATX_ATTR_WRITE_ATOMIC; >> + >> + if (unit_min) { >> + stat->atomic_write_unit_min = unit_min; >> + stat->atomic_write_unit_max = unit_max; >> + /* Initially only allow 1x segment */ >> + stat->atomic_write_segments_max = 1; >> + >> + /* Confirm atomic writes are actually supported */ >> + stat->attributes |= STATX_ATTR_WRITE_ATOMIC; >> + } >> +} >> +EXPORT_SYMBOL(generic_fill_statx_atomic_writes); > What units are these in? Nothing in the patch or commit description > tells us.... I can append the current comments to mention that the unit is bytes. Thanks, John