iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
d4f6b31d72
linux/fs/ceph
History
Jeff Layton d4f6b31d72 ceph: don't allow access to MDS-private inodes 
The MDS reserves a set of inodes for its own usage, and these should
never be accessible to clients. Add a new helper to vet a proposed
inode number against that range, and complain loudly and refuse to
create or look it up if it's in it.

Also, ensure that the MDS doesn't try to delegate inodes that are in
that range or lower. Print a warning if it does, and don't save the
range in the xarray.

URL: https://tracker.ceph.com/issues/49922
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2021-04-27 23:52:23 +02:00
..
acl.c fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
addr.c ceph: convert some PAGE_SIZE invocations to thp_size() 2021-04-27 23:52:23 +02:00
cache.c ceph: rip out old fscache readpage handling 2021-04-27 23:52:21 +02:00
cache.h ceph: convert ceph_readpage to netfs_readpage 2021-04-27 23:52:22 +02:00
caps.c ceph: fix up some bare fetches of i_size 2021-04-27 23:52:23 +02:00
ceph_frag.c
debugfs.c ceph: rename the metric helpers 2021-04-27 23:52:23 +02:00
dir.c ceph: don't use d_add in ceph_handle_snapdir 2021-04-27 23:52:23 +02:00
export.c ceph: don't allow access to MDS-private inodes 2021-04-27 23:52:23 +02:00
file.c ceph: drop pinned_page parameter from ceph_get_caps 2021-04-27 23:52:23 +02:00
inode.c ceph: don't allow access to MDS-private inodes 2021-04-27 23:52:23 +02:00
io.c ceph: fix kerneldoc copypasta over ceph_start_io_direct 2021-04-27 23:52:23 +02:00
io.h
ioctl.c ceph: consider inode's last read/write when calculating wanted caps 2020-03-30 12:42:42 +02:00
ioctl.h
Kconfig ceph: convert ceph_readpage to netfs_readpage 2021-04-27 23:52:22 +02:00
locks.c ceph: fix up some warnings on W=1 builds 2020-12-14 23:21:47 +01:00
Makefile ceph: add dentry lease metric support 2020-06-01 13:22:51 +02:00
mds_client.c ceph: don't allow access to MDS-private inodes 2021-04-27 23:52:23 +02:00
mds_client.h ceph: support getting ceph.dir.rsnaps vxattr 2021-04-27 23:52:23 +02:00
mdsmap.c libceph, ceph: get and handle cluster maps with addrvecs 2020-12-14 23:21:50 +01:00
metric.c ceph: send opened files/pinned caps/opened inodes metrics to MDS daemon 2021-04-27 23:52:23 +02:00
metric.h ceph: send opened files/pinned caps/opened inodes metrics to MDS daemon 2021-04-27 23:52:23 +02:00
quota.c Revert "ceph: allow rename operation under different quota realms" 2020-12-14 23:21:47 +01:00
snap.c ceph: fix up some bare fetches of i_size 2021-04-27 23:52:23 +02:00
strings.c
super.c ceph: add new RECOVER mount_state when recovering session 2020-12-14 23:21:46 +01:00
super.h ceph: don't allow access to MDS-private inodes 2021-04-27 23:52:23 +02:00
util.c ceph: move net/ceph/ceph_fs.c to fs/ceph/util.c 2020-01-27 16:53:40 +01:00
xattr.c ceph: support getting ceph.dir.rsnaps vxattr 2021-04-27 23:52:23 +02:00