On 5/21/18 12:35 PM, Jeff Layton wrote: > From: Jeff Layton <jlayton@xxxxxxxxxx> > > When a loop block device encounters a writeback error, that error will > get propagated to the bd_inode's wb_err field. If we then detach the > backing file from it, attach another and fsync it, we'll get back the > writeback error that we had from the previous backing file. > > This is a bit of a grey area as POSIX doesn't cover loop devices, but it > is somewhat counterintuitive. > > If we detach a backing file from the loopdev while there are still > unreported errors, take it as a sign that we're no longer interested in > the previous file, and clear out the wb_err in the loop blockdev. Applied, thanks Jeff. -- Jens Axboe
