projects / thirdparty / util-linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 66ee8158 KZ |
1 | .\" -*- nroff -*- |
| 2 | .\" Copyright 1998 Andries E. Brouwer (aeb@cwi.nl) | |
| 3 | .\" | |
| 4 | .\" May be distributed under the GNU General Public License | |
| 5 | .TH BLOCKDEV 8 "May 2000" "" | |
| 6 | .SH NAME | |
| 7 | blockdev \- call block device ioctls from the command line | |
| 8 | .SH SYNOPSIS | |
| 9 | .B blockdev | |
| 10 | .RI [ options ] | |
| 11 | .I commands devices | |
| 12 | .SH DESCRIPTION | |
| 13 | The utility | |
| 14 | .B blockdev | |
| 15 | allows one to call block device ioctls from the command line. | |
| 16 | .SH OPTIONS | |
| 17 | .TP | |
| 18 | .B \-V | |
| 19 | Print version and exit. | |
| 20 | .TP | |
| 21 | .B \-q | |
| 22 | Be quiet. | |
| 23 | .TP | |
| 24 | .B \-v | |
| 25 | Be verbose. | |
| 26 | .SH COMMANDS | |
| 27 | .TP | |
| 28 | .B \--setro | |
| 29 | Set read-only. | |
| 30 | .TP | |
| 31 | .B \--setrw | |
| 32 | Set read-write. | |
| 33 | .TP | |
| 34 | .B \--getro | |
| 35 | Get read-only. Print 1 if the device is read-only, 0 otherwise. | |
| 36 | .TP | |
| 37 | .B \--getss | |
| 38 | Print sectorsize in bytes - usually 512. | |
| 39 | .TP | |
| 40 | .B \--getsize | |
| 41 | Print device capacity (in 512-byte sectors). | |
| 42 | .TP | |
| 43 | .BI \--setra " N" | |
| 44 | Set readahead to | |
| 45 | .I N | |
| 46 | 512-byte sectors. | |
| 47 | .TP | |
| 48 | .B \--getra | |
| 49 | Print readahead (in 512-byte sectors). | |
| 50 | .TP | |
| 51 | .B \--flushbufs | |
| 52 | Flush buffers. | |
| 53 | .TP | |
| 54 | .B \--rereadpt | |
| 55 | Reread partition table. |