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BLK_LIMITS_IO_MIN(9) | Block Devices | BLK_LIMITS_IO_MIN(9) |
NAME¶
blk_limits_io_min - set minimum request size for a deviceSYNOPSIS¶
void blk_limits_io_min(struct queue_limits * limits, unsigned int min);
ARGUMENTS¶
limitsthe 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¶
April 2019 | Kernel Hackers Manual 4.9. |