Re: [PATCH v3] fstests: test premature ENOSPC in zoned garbage collection

On 4/15/26 8:27 AM, Christoph Hellwig wrote:
> On Wed, Apr 15, 2026 at 08:10:29AM +0200, Johannes Thumshirn wrote:
>> The test still doesn't run for me on XFS:
> Worked for me.  What does the full output say mkfs complained about?
>
Here we go:

bash-5.3# cat ../fstests/results/generic/999.full
** mkfs failed with extra mkfs options added to "" by test 999 **
** attempting to mkfs using only test 999 options: -d size=17179869184 
-r size=17179869184 -b size=4096 **
size 17179869184 specified for data subvolume is too large, maximum is 
262144 blocks
Usage: mkfs.xfs
/* blocksize */        [-b size=num]
/* config file */    [-c options=xxx]
/* metadata */        [-m 
crc=0|1,finobt=0|1,uuid=xxx,rmapbt=0|1,reflink=0|1,
                 inobtcount=0|1,bigtime=0|1,autofsck=xxx,
                 metadir=0|1]
/* quota */        [-m uquota|uqnoenforce,gquota|gqnoenforce,
                 pquota|pqnoenforce]
/* data subvol */    [-d agcount=n,agsize=n,file,name=xxx,size=num,
                 (sunit=value,swidth=value|su=num,sw=num|noalign),
                 sectsize=num,concurrency=num]
/* force overwrite */    [-f]
/* inode size */    [-i perblock=n|size=num,maxpct=n,attr=0|1|2,
                 projid32bit=0|1,sparse=0|1,nrext64=0|1,
                 exchange=0|1]
/* no discard */    [-K]
/* log subvol */    [-l agnum=n,internal,size=num,logdev=xxx,version=n
                 sunit=value|su=num,sectsize=num,lazy-count=0|1,
                 concurrency=num]
/* label */        [-L label (maximum 12 characters)]
/* naming */        [-n size=num,version=2|ci,ftype=0|1,parent=0|1]]
/* no-op info only */    [-N]
/* prototype file */    [-p fname]
/* quiet */        [-q]
/* realtime subvol */    [-r 
extsize=num,size=num,rtdev=xxx,rgcount=n,rgsize=n,
                 concurrency=num,zoned=0|1,start=n,reserved=n]
/* sectorsize */    [-s size=num]
/* version */        [-V]
             devicename
<devicename> is required unless -d name=xxx is given.
<num> is xxx (bytes), xxxs (sectors), xxxb (fs blocks), xxxk (xxx KiB),
       xxxm (xxx MiB), xxxg (xxx GiB), xxxt (xxx TiB) or xxxp (xxx PiB).
<value> is xxx (512 byte blocks).
999 not run: _scratch_mkfs_sized failed with (17179869184)
umount: /dev/vdb: not mounted.
bash-5.3#