On 09/26/2013 03:43 AM, Laine Stump wrote: > This should resolve: > > https://bugzilla.redhat.com/show_bug.cgi?id=1012085 > > libvirt previously recognized NFS, GFS2, OCFS2, and AFS filesystems as > "shared", and thus eligible for exceptions to certain rules/actions > about chowning image files before handing them off to a guest. This > patch widens the definition of "shared filesystem" to include the SMB > filesystem (sometimes called CIFS, or "Windows file sharing"). > --- > src/util/virstoragefile.c | 9 ++++++++- > src/util/virstoragefile.h | 1 + > 2 files changed, 9 insertions(+), 1 deletion(-)
Coreutils includes a rather extensive list of file systems (alas, it's GPLv3+ code, so we can't use it verbatim without asking Jim Meyering and other coreutils folks to relax the license): http://git.sv.gnu.org/cgit/coreutils.git/tree/src/stat.c#n243 > > diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c > index 0b9cec3..ed43b2b 100644 > --- a/src/util/virstoragefile.c > +++ b/src/util/virstoragefile.c > @@ -1241,6 +1241,9 @@ cleanup: > # ifndef AFS_FS_MAGIC > # define AFS_FS_MAGIC 0x6B414653 > # endif > +# ifndef SMB_SUPER_MAGIC > +# define SMB_SUPER_MAGIC 0x517B > +# endif This is correct; but since samba and cifs are highly inter-related (same protocol, just which driver is implementing it), you also need a define for CIFS_SUPER_MAGIC 0xff534d42. Looking forward to v2. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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