Thank you for the reply. This is a feature that we would like to see. Should I write a cephfs tracker report on this as a possible future enhancement?
On Wed, Jan 28, 2015 at 6:24 AM, John Spray <[email protected]> wrote: > We don't implement the GETFLAGS and SETFLAGS ioctls used for +i. > > Adding the ioctls is pretty easy, but then we need somewhere to put > the flags. Currently we don't store a "flags" attribute on inodes, > but maybe we could borrow the high bits of the mode attribute for this > if we wanted to implement it? > > CCing ceph-devel to see if Sage/Greg can offer any more background. > > John > > On Wed, Jan 28, 2015 at 1:24 AM, Eric Eastman > <[email protected]> wrote: >> Should chattr +i work with cephfs? >> >> Using ceph v0.91 and a 3.18 kernel on the CephFS client, I tried this: >> >> # mount | grep ceph >> 172.16.30.10:/ on /cephfs/test01 type ceph (name=cephfs,key=client.cephfs) >> # echo 1 > /cephfs/test01/test.1 >> # ls -l /cephfs/test01/test.1 >> -rw-r--r-- 1 root root 2 Jan 27 19:09 /cephfs/test01/test.1 >> # chattr +i /cephfs/test01/test.1 >> chattr: Inappropriate ioctl for device while reading flags on >> /cephfs/test01/test.1 >> >> I also tried it using the FUSE interface: >> >> # ceph-fuse -m 172.16.30.10 /cephfs/fuse01/ >> ceph-fuse[5326]: starting ceph client >> 2015-01-27 19:54:59.002563 7f6f8fbcb7c0 -1 init, newargv = 0x2ec2be0 >> newargc=11 >> ceph-fuse[5326]: starting fuse >> # mount | grep ceph >> ceph-fuse on /cephfs/fuse01 type fuse.ceph-fuse >> (rw,nosuid,nodev,allow_other,default_permissions) >> # echo 1 > /cephfs/fuse01/test02.dat >> # chattr +i /cephfs/fuse01/test02.dat >> chattr: Invalid argument while reading flags on /cephfs/fuse01/test02.dat >> >> Eric >> >> _______________________________________________ >> ceph-users mailing list >> [email protected] >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
