On Sun, Jul 05, 2020 at 04:06:22AM +0200, Jan Ziak wrote: > Hello > > At first, I thought that the proposed system call is capable of > reading *multiple* small files using a single system call - which > would help increase HDD/SSD queue utilization and increase IOPS (I/O > operations per second) - but that isn't the case and the proposed > system call can read just a single file. > > Without the ability to read multiple small files using a single system > call, it is impossible to increase IOPS (unless an application is > using multiple reader threads or somehow instructs the kernel to > prefetch multiple files into memory). What API would you use for this? ssize_t readfiles(int dfd, char **files, void **bufs, size_t *lens); I pretty much hate this interface, so I hope you have something better in mind.
