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authorMarcelo Tosatti <mtosatti@redhat.com>2012-08-26 13:58:41 -0300
committerMarcelo Tosatti <mtosatti@redhat.com>2012-08-26 13:58:41 -0300
commitc78aa4c4b94b5b148be576a9f1570e31fe282b46 (patch)
tree6d5801eb3e60bcec6a91c7b13a334c6d2ea11b05 /net/ceph/mon_client.c
parent90993cdd1800dc6ef9587431a0c625b978584e81 (diff)
parent9acb172543aecb783e2e1e53e3f447d4c0f5c150 (diff)
Merge remote-tracking branch 'upstream/master' into queue
Merging critical fixes from upstream required for development. * upstream/master: (809 commits) libata: Add a space to " 2GB ATA Flash Disk" DMA blacklist entry Revert "powerpc: Update g5_defconfig" powerpc/perf: Use pmc_overflow() to detect rolled back events powerpc: Fix VMX in interrupt check in POWER7 copy loops powerpc: POWER7 copy_to_user/copy_from_user patch applied twice powerpc: Fix personality handling in ppc64_personality() powerpc/dma-iommu: Fix IOMMU window check powerpc: Remove unnecessary ifdefs powerpc/kgdb: Restore current_thread_info properly powerpc/kgdb: Bail out of KGDB when we've been triggered powerpc/kgdb: Do not set kgdb_single_step on ppc powerpc/mpic_msgr: Add missing includes powerpc: Fix null pointer deref in perf hardware breakpoints powerpc: Fixup whitespace in xmon powerpc: Fix xmon dl command for new printk implementation xfs: check for possible overflow in xfs_ioc_trim xfs: unlock the AGI buffer when looping in xfs_dialloc xfs: fix uninitialised variable in xfs_rtbuf_get() powerpc/fsl: fix "Failed to mount /dev: No such device" errors powerpc/fsl: update defconfigs ... Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'net/ceph/mon_client.c')
-rw-r--r--net/ceph/mon_client.c51
1 files changed, 46 insertions, 5 deletions
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 105d533b55f..900ea0f043f 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -311,6 +311,17 @@ int ceph_monc_open_session(struct ceph_mon_client *monc)
EXPORT_SYMBOL(ceph_monc_open_session);
/*
+ * We require the fsid and global_id in order to initialize our
+ * debugfs dir.
+ */
+static bool have_debugfs_info(struct ceph_mon_client *monc)
+{
+ dout("have_debugfs_info fsid %d globalid %lld\n",
+ (int)monc->client->have_fsid, monc->auth->global_id);
+ return monc->client->have_fsid && monc->auth->global_id > 0;
+}
+
+/*
* The monitor responds with mount ack indicate mount success. The
* included client ticket allows the client to talk to MDSs and OSDs.
*/
@@ -320,9 +331,12 @@ static void ceph_monc_handle_map(struct ceph_mon_client *monc,
struct ceph_client *client = monc->client;
struct ceph_monmap *monmap = NULL, *old = monc->monmap;
void *p, *end;
+ int had_debugfs_info, init_debugfs = 0;
mutex_lock(&monc->mutex);
+ had_debugfs_info = have_debugfs_info(monc);
+
dout("handle_monmap\n");
p = msg->front.iov_base;
end = p + msg->front.iov_len;
@@ -344,12 +358,22 @@ static void ceph_monc_handle_map(struct ceph_mon_client *monc,
if (!client->have_fsid) {
client->have_fsid = true;
+ if (!had_debugfs_info && have_debugfs_info(monc)) {
+ pr_info("client%lld fsid %pU\n",
+ ceph_client_id(monc->client),
+ &monc->client->fsid);
+ init_debugfs = 1;
+ }
mutex_unlock(&monc->mutex);
- /*
- * do debugfs initialization without mutex to avoid
- * creating a locking dependency
- */
- ceph_debugfs_client_init(client);
+
+ if (init_debugfs) {
+ /*
+ * do debugfs initialization without mutex to avoid
+ * creating a locking dependency
+ */
+ ceph_debugfs_client_init(monc->client);
+ }
+
goto out_unlocked;
}
out:
@@ -865,8 +889,10 @@ static void handle_auth_reply(struct ceph_mon_client *monc,
{
int ret;
int was_auth = 0;
+ int had_debugfs_info, init_debugfs = 0;
mutex_lock(&monc->mutex);
+ had_debugfs_info = have_debugfs_info(monc);
if (monc->auth->ops)
was_auth = monc->auth->ops->is_authenticated(monc->auth);
monc->pending_auth = 0;
@@ -889,7 +915,22 @@ static void handle_auth_reply(struct ceph_mon_client *monc,
__send_subscribe(monc);
__resend_generic_request(monc);
}
+
+ if (!had_debugfs_info && have_debugfs_info(monc)) {
+ pr_info("client%lld fsid %pU\n",
+ ceph_client_id(monc->client),
+ &monc->client->fsid);
+ init_debugfs = 1;
+ }
mutex_unlock(&monc->mutex);
+
+ if (init_debugfs) {
+ /*
+ * do debugfs initialization without mutex to avoid
+ * creating a locking dependency
+ */
+ ceph_debugfs_client_init(monc->client);
+ }
}
static int __validate_auth(struct ceph_mon_client *monc)