023ae75fc
Denys Vlasenko
2019-06-08
Subject
blockdev: add usage comment, no code changes
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util-linux/blockdev.c+11 -1
| @@ -29,7 +29,17 @@ | |
| //usage: "\n --getsize64 Get device size in bytes" | |
| //usage: "\n --flushbufs Flush buffers" | |
| //usage: "\n --rereadpt Reread partition table" | |
| - | |
| + | // util-linux 2.31 also has: |
| + | // --getdiscardzeroes BLKDISCARDZEROES Get discard zeroes support status |
| + | // --getpbsz BLKPBSZGET Get physical block (sector) size |
| + | // --getiomin BLKIOMIN Get minimum I/O size |
| + | // --getioopt BLKIOOPT Get optimal I/O size |
| + | // --getalignoff BLKALIGNOFF Get alignment offset in bytes |
| + | // --getmaxsect BLKSECTGET Get max sectors per request |
| + | // --setra SECTORS BLKRASET Set readahead |
| + | // --getra BLKRAGET Get readahead |
| + | // --setfra SECTORS BLKFRASET Set filesystem readahead |
| + | // --getfra BLKFRAGET Get filesystem readahead |
| #include "libbb.h" | |
| #include <linux/fs.h> | |