Alexey Dokuchaev wrote: > On Sat, May 14, 2016 at 08:03:22PM +0000, Rick Macklem wrote: > > New Revision: 299753 > > URL: https://svnweb.freebsd.org/changeset/base/299753 > > > > Log: > > Fix fuse to use DIRECT_IO when required. > > > > When a file is opened write-only and a partial block was written, > > buffered I/O would try and read the whole block in. This would > > result in a hung thread, since there was no open (fuse filehandle) > > that allowed reading. This patch avoids the problem by forcing > > DIRECT_IO for this case. > > It also sets DIRECT_IO when the file system specifies the FN_DIRECTIO > > flag in its reply to the open. > > Since you're at fuse now, perhaps you could also have a look at PR 195000? > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=195000 > > ./danfe > Yea, the patch in PR#195000 looks ok. I'll try to reproduce the crash and if I can test the patch, I can commit it. Or would you prefer to do so?
I think fuse can be made to handle special files by creating separate tables of vop methods (like the NFS client does), but that is a fair amount of work, so I think committing this patch to stop the crash makes sense in the meantime. rick _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "[email protected]"
