[Bug 793] mkfs: can't specify agcount with su,sw

[bugzilla-daemon at oss.sgi.com]

http://oss.sgi.com/bugzilla/show_bug.cgi?id=793





------- Additional Comments From sandeen-xfs at sandeen.net  2008-09-30 12:42 CST -------
Right now it won't adjust the agsize if you specify agcount:

                        if ((tmp_agsize >= XFS_AG_MIN_BLOCKS(blocklog)) &&
                            (tmp_agsize <= XFS_AG_MAX_BLOCKS(blocklog)) && 
                            !daflag) {
                                agsize = tmp_agsize;
                                agcount = dblocks/agsize +
                                                (dblocks % agsize != 0);

(note the !daflag)

This seems a little odd, if it's able to adjust the agsize but keep the
requested agcount then it should continue.

Or maybe if you specified the agcount it should round agsize *down* to the next
stripe unit boundary, and keep agcount - that would always fit just fine.

-Eric

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