table of contents
| BLK_LIMITS_IO_MIN(9) | Block Devices | BLK_LIMITS_IO_MIN(9) |
NAME¶
blk_limits_io_min - set minimum request size for a device
SYNOPSIS¶
void blk_limits_io_min(struct queue_limits * limits, unsigned int min);
ARGUMENTS¶
limits
the queue limits
min
smallest I/O size in bytes
DESCRIPTION¶
Some devices have an internal block size bigger than the reported hardware sector size. This function can be used to signal the smallest I/O the device can perform without incurring a performance penalty.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |