On 9/30/20 11:19 AM, Darrick J. Wong wrote: > On Wed, Sep 30, 2020 at 11:09:29AM -0500, Eric Sandeen wrote: >> On 9/30/20 11:01 AM, Darrick J. Wong wrote: >>> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> >>> >>> Neither the kernel nor the code in xfsprogs support filesystems that >>> have (either reverse mapping btrees or reflink) enabled and a realtime >>> volume configured. The kernel rejects such combinations and mkfs >>> refuses to format such a config, but xfsprogs doesn't check and can do >>> Bad Things, so port those checks before someone shreds their filesystem. >>> >>> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> >> >> >> so now xfs_db won't even touch it, I'm not sure that's desirable. >> >> # db/xfs_db fsfile >> xfs_db: Reflink not compatible with realtime device. Please try a newer xfsprogs. >> xfs_db: realtime device init failed >> xfs_db: device fsfile unusable (not an XFS filesystem?) > > Er... did you specially craft fsfile to have rblocks>0 and reflink=1? > Or are you saying that it rejects any reflink=1 filesystem now? crafted. sorry didn't mean to scare you ;) -Eric
