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Merge PR #42199 into master

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* refs/pull/42199/head:
	mds: add debugging when rejecting mksnap with EPERM

Reviewed-by: Milind Changire <mchangir@redhat.com>
This commit is contained in:
Patrick Donnelly 2021-07-28 10:36:35 -07:00
commit 3c00047f02
1 changed files with 3 additions and 0 deletions
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3
src/mds/Server.cc
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@ -10256,6 +10256,7 @@ void Server::handle_client_mksnap(MDRequestRef& mdr)
}
if (!mds->mdsmap->allows_snaps()) {
// you can't make snapshots until you set an option right now
dout(5) << "new snapshots are disabled for this fs" << dendl;
respond_to_request(mdr, -CEPHFS_EPERM);
return;
}
@ -10271,6 +10272,7 @@ void Server::handle_client_mksnap(MDRequestRef& mdr)
}
if (diri->is_system() && !diri->is_root()) {
// no snaps in system dirs (root is ok)
dout(5) << "is an internal system dir" << dendl;
respond_to_request(mdr, -CEPHFS_EPERM);
return;
}
@ -10304,6 +10306,7 @@ void Server::handle_client_mksnap(MDRequestRef& mdr)
if (inodeno_t subvol_ino = diri->find_snaprealm()->get_subvolume_ino();
(subvol_ino && subvol_ino != diri->ino())) {
dout(5) << "is a descendent of a subvolume dir" << dendl;
respond_to_request(mdr, -CEPHFS_EPERM);
return;
}