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part-disk: Change default alignment of this to 64K (128 sectors).

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This is the minimum alignment.  1MB would be better.

Note that the exact behaviour is not defined in the API.
This commit is contained in:
Richard W.M. Jones
2011-11-24 14:39:10 +00:00
parent 7b192f5a67
commit c4381dba73
1 changed files with 6 additions and 5 deletions
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11
daemon/parted.c
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@@ -184,15 +184,16 @@ do_part_disk (const char *device, const char *parttype)
return -1;
}
/* Align all partitions created this way to 64 sectors, and leave
* the last 64 sectors at the end of the disk free. This wastes
* 32K+32K = 64K on 512-byte sector disks. The rationale is:
/* Align all partitions created this way to 128 sectors, and leave
* the last 128 sectors at the end of the disk free. This wastes
* 64K+64K = 128K on 512-byte sector disks. The rationale is:
*
* - aligned operations are faster
* - absolute minimum recommended alignment is 64K (1M would be better)
* - GPT requires at least 34 sectors at the end of the disk.
*/
const char *startstr = "64s";
const char *endstr = "-64s";
const char *startstr = "128s";
const char *endstr = "-128s";
RUN_PARTED (return -1,
device,