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authorDaniel Vetter <daniel.vetter@ffwll.ch>2013-03-19 09:47:30 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-03-19 09:47:30 +0100
commit0d4a42f6bd298e826620585e766a154ab460617a (patch)
tree406d8f7778691d858dbe3e48e4bbb10e99c0a58a /net/ceph/ceph_common.c
parentd62b4892f3d9f7dd2002e5309be10719d6805b0f (diff)
parenta937536b868b8369b98967929045f1df54234323 (diff)
Merge tag 'v3.9-rc3' into drm-intel-next-queued
Backmerge so that I can merge Imre Deak's coalesced sg entries fixes, which depend upon the new for_each_sg_page introduce in commit a321e91b6d73ed011ffceed384c40d2785cf723b Author: Imre Deak <imre.deak@intel.com> Date: Wed Feb 27 17:02:56 2013 -0800 lib/scatterlist: add simple page iterator The merge itself is just two trivial conflicts: Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'net/ceph/ceph_common.c')
-rw-r--r--net/ceph/ceph_common.c27
1 files changed, 23 insertions, 4 deletions
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index ee71ea26777a..e65e6e4be38b 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -15,6 +15,8 @@
#include <linux/slab.h>
#include <linux/statfs.h>
#include <linux/string.h>
+#include <linux/nsproxy.h>
+#include <net/net_namespace.h>
#include <linux/ceph/ceph_features.h>
@@ -26,6 +28,22 @@
#include "crypto.h"
+/*
+ * Module compatibility interface. For now it doesn't do anything,
+ * but its existence signals a certain level of functionality.
+ *
+ * The data buffer is used to pass information both to and from
+ * libceph. The return value indicates whether libceph determines
+ * it is compatible with the caller (from another kernel module),
+ * given the provided data.
+ *
+ * The data pointer can be null.
+ */
+bool libceph_compatible(void *data)
+{
+ return true;
+}
+EXPORT_SYMBOL(libceph_compatible);
/*
* find filename portion of a path (/foo/bar/baz -> baz)
@@ -292,6 +310,9 @@ ceph_parse_options(char *options, const char *dev_name,
int err = -ENOMEM;
substring_t argstr[MAX_OPT_ARGS];
+ if (current->nsproxy->net_ns != &init_net)
+ return ERR_PTR(-EINVAL);
+
opt = kzalloc(sizeof(*opt), GFP_KERNEL);
if (!opt)
return ERR_PTR(-ENOMEM);
@@ -585,10 +606,8 @@ static int __init init_ceph_lib(void)
if (ret < 0)
goto out_crypto;
- pr_info("loaded (mon/osd proto %d/%d, osdmap %d/%d %d/%d)\n",
- CEPH_MONC_PROTOCOL, CEPH_OSDC_PROTOCOL,
- CEPH_OSDMAP_VERSION, CEPH_OSDMAP_VERSION_EXT,
- CEPH_OSDMAP_INC_VERSION, CEPH_OSDMAP_INC_VERSION_EXT);
+ pr_info("loaded (mon/osd proto %d/%d)\n",
+ CEPH_MONC_PROTOCOL, CEPH_OSDC_PROTOCOL);
return 0;