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ceph: don't allow setlease on cephfs 

[ Upstream commit 496ceaf124 ]

Leases don't currently work correctly on kcephfs, as they are not broken
when caps are revoked. They could eventually be implemented similarly to
how we did them in libcephfs, but for now don't allow them.

[ idryomov: no need for simple_nosetlease() in ceph_dir_fops and
  ceph_snapdir_fops ]

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Jeff Layton 2020-08-20 11:00:26 -04:00 committed by Greg Kroah-Hartman
parent 755fd63ae1
commit 0a8dcad244
1 changed files with 1 additions and 0 deletions
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fs/ceph/file.c
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@ -2198,6 +2198,7 @@ const struct file_operations ceph_file_fops = {
.mmap = ceph_mmap,
.fsync = ceph_fsync,
.lock = ceph_lock,
.setlease = simple_nosetlease,
.flock = ceph_flock,
.splice_read = generic_file_splice_read,
.splice_write = iter_file_splice_write,