BLOCKDEV(8) BLOCKDEV(8) NAME blockdev - call block device ioctls from the command line SYNOPSIS blockdev [options] commands devices DESCRIPTION The utility blockdev allows one to call block device ioctls from the command line. OPTIONS -V Print version and exit. -q Be quiet. -v Be verbose. COMMANDS --setro Set read-only. --setrw Set read-write. --getro Get read-only. Print 1 if the device is read-only, 0 otherwise. --getss Print sectorsize in bytes - usually 512. --getsize Print device capacity (in 512-byte sectors). --setra N Set readahead to N 512-byte sectors. --getra Print readahead (in 512-byte sectors). --flushbufs Flush buffers. --rereadpt Reread partition table. May 2000 BLOCKDEV(8)[top]
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