Re: Initial mount with inode32 option

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On Thursday 24 of January 2013, Dave Chinner wrote:

> which, as you can see, mounts as inode32 just fine. Let's make that
> a 500g filesystem on the same device:
> 
> $ sudo mkfs.xfs -f -l size=131072b,sunit=8 -d size=500g /dev/vdc
> meta-data=/dev/vdc               isize=256    agcount=4, agsize=32768000
> blks =                       sectsz=512   attr=2, projid32bit=0 data     =
>                       bsize=4096   blocks=131072000, imaxpct=25 =         
>              sunit=0      swidth=0 blks
> naming   =version 2              bsize=4096   ascii-ci=0
> log      =internal log           bsize=4096   blocks=131072, version=2
>          =                       sectsz=512   sunit=1 blks, lazy-count=1
> realtime =none                   extsz=4096   blocks=0, rtextents=0
> $ sudo mount -o inode32 /dev/vdc /mnt/scratch
> $ grep /mnt/scratch /proc/mounts
> /dev/vdc /mnt/scratch xfs rw,relatime,attr2,inode64,noquota 0 0
> $
> 
> It reports inode64 just like it should - inode32 was ignored because
> the filesystem is not large enough to create 64 bit inodes, and so
> is using the inode64 allocation behaviour. It's been like this for
> 15 years... ;)

"Will switch" as in when I mount 500GB fs with inode32 option (/proc/mounts 
shows inode64 as in above example), then I do grow lvm under and do 
xfs_growfs. Will it magically start reporting inode32 (and using inode32 
allocator) then?

> Cheers,
> 
> Dave.


-- 
Arkadiusz Miśkiewicz, arekm / maven.pl

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