Displaying 2 results from an estimated 2 matches for "posix_lock".
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2019 Sep 11
0
[PATCH v5 0/4] virtio-fs: shared file system for virtual machines
...ned. A mechanism to do so probably isn't necessary if the
driver can update the fh to the new one produced by the device for
all open files instead.
* FUSE_OPENDIR -> fh (dirp_map)
Same story as for FUSE_OPEN but for open directories.
* FUSE_GETLK/SETLK/SETLKW -> (inode->posix_locks and fcntl(F_OFD_GET/SETLK))
The session contains file locks. The driver must reacquire them upon
restore. It's unclear what to do when locking fails.
Live migration has the same problem since the FUSE session will be moved
to a new virtio-fs device instance. It makes sense to tackle...
2019 Sep 12
0
[PATCH v5 0/4] virtio-fs: shared file system for virtual machines
...river can update the fh to the new one produced by the device for
> > all open files instead.
> >
> > * FUSE_OPENDIR -> fh (dirp_map)
> >
> > Same story as for FUSE_OPEN but for open directories.
> >
> > * FUSE_GETLK/SETLK/SETLKW -> (inode->posix_locks and fcntl(F_OFD_GET/SETLK))
> >
> > The session contains file locks. The driver must reacquire them upon
> > restore. It's unclear what to do when locking fails.
> >
> > Live migration has the same problem since the FUSE session will be moved
> > to...