Re: Why does fsck.xfs not do what xfs_repair -n does?

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On 2/27/17 12:26 PM, Luis R. Rodriguez wrote:
> On Mon, Feb 27, 2017 at 09:16:36AM +0100, Carlos Maiolino wrote:
>> On Fri, Feb 24, 2017 at 09:49:17PM +0100, Marcel Partap wrote:
>>> Dear XFS dev crew,
>>>> fsck.xfs(8)
>>>>         fsck.xfs - do nothing, successfully
>>>>         If you wish to check the consistency of an XFS filesystem, or repair a damaged or corrupt XFS filesystem, see xfs_repair(8).
>>>
>>> So there's a FS check command that does not work as with all the other
>>> filesystems. Instead of checking the FS, it tells you to use xfs_repair
>>> both for - XFS repair.. and XFS check. Whereas in the man page of
>>>> xfs_repair - repair an XFS filesystem
>>> it doesn't tell you right at the top that xfs_repair can check XFS. Instead
>>>> *       -n     No modify mode. Specifies that xfs_repair should […]  *scan  the  filesystem*
>>
>> Xfs used to have two different tools for that. xfs_check and xfs_repair. This
>> required one more tool, several more lines of code to be maintained, while
>> xfs_repair does the check job with '-n' option, so, it was decided to deprecate
>> xfs_check and keep efforts only in xfs_repair.
> 
> A symlink to xfs_check and a check for the alias would have sufficed to keep the
> old interface while sharing code. That can be considered should folks agree this
> desirable and should be a few lines of code.

Actually, it was deprecated because it doesn't scale on large filesystems.

I think I'm losing the thread here.  What's the problem with how things are
today? :)

-Eric

>   Luis
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