Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (39 commits)
  ceph: generalize mon requests, add pool op support
  ceph: only queue async writeback on cap revocation if there is dirty data
  ceph: do not ignore osd_idle_ttl mount option
  ceph: constify dentry_operations
  ceph: whitespace cleanup
  ceph: add flock/fcntl lock support
  ceph: define on-wire types, constants for file locking support
  ceph: add CEPH_FEATURE_FLOCK to the supported feature bits
  ceph: support v2 reconnect encoding
  ceph: support v2 client_caps encoding
  ceph: move AES iv definition to shared header
  ceph: fix decoding of pool snap info
  ceph: make ->sync_fs not wait if wait==0
  ceph: warn on missing snap realm
  ceph: print useful error message when crush rule not found
  ceph: use %pU to print uuid (fsid)
  ceph: sync header defs with server code
  ceph: clean up header guards
  ceph: strip misleading/obsolete version, feature info
  ceph: specify supported features in super.h
  ...

Author: torvalds

fs/ceph/Makefile

@@ -6,7 +6,7 @@ ifneq ($(KERNELRELEASE),)
 
 obj-$(CONFIG_CEPH_FS) += ceph.o
 
-ceph-objs := super.o inode.o dir.o file.o addr.o ioctl.o \
+ceph-objs := super.o inode.o dir.o file.o locks.o addr.o ioctl.o \
 	export.o caps.o snap.o xattr.o \
 	messenger.o msgpool.o buffer.o pagelist.o \
 	mds_client.o mdsmap.o \

fs/ceph/addr.c

@@ -309,7 +309,8 @@ static int ceph_readpages(struct file *file, struct address_space *mapping,
 			zero_user_segment(page, s, PAGE_CACHE_SIZE);
 		}
 
-		if (add_to_page_cache_lru(page, mapping, page->index, GFP_NOFS)) {
+		if (add_to_page_cache_lru(page, mapping, page->index,
+					  GFP_NOFS)) {
 			page_cache_release(page);
 			dout("readpages %p add_to_page_cache failed %p\n",
 			     inode, page);
@@ -552,7 +553,7 @@ static void writepages_finish(struct ceph_osd_request *req,
 		 * page truncation thread, possibly losing some data that
 		 * raced its way in
 		 */
-		if ((issued & CEPH_CAP_FILE_CACHE) == 0)
+		if ((issued & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_LAZYIO)) == 0)
 			generic_error_remove_page(inode->i_mapping, page);
 
 		unlock_page(page);
@@ -797,9 +798,12 @@ static int ceph_writepages_start(struct address_space *mapping,
 			dout("%p will write page %p idx %lu\n",
 			     inode, page, page->index);
 
-			writeback_stat = atomic_long_inc_return(&client->writeback_count);
-			if (writeback_stat > CONGESTION_ON_THRESH(client->mount_args->congestion_kb)) {
-				set_bdi_congested(&client->backing_dev_info, BLK_RW_ASYNC);
+			writeback_stat =
+			       atomic_long_inc_return(&client->writeback_count);
+			if (writeback_stat > CONGESTION_ON_THRESH(
+				    client->mount_args->congestion_kb)) {
+				set_bdi_congested(&client->backing_dev_info,
+						  BLK_RW_ASYNC);
 			}
 
 			set_page_writeback(page);
@@ -1036,7 +1040,7 @@ static int ceph_write_begin(struct file *file, struct address_space *mapping,
 		*pagep = page;
 
 		dout("write_begin file %p inode %p page %p %d~%d\n", file,
-	     	inode, page, (int)pos, (int)len);
+		     inode, page, (int)pos, (int)len);
 
 		r = ceph_update_writeable_page(file, pos, len, page);
 	} while (r == -EAGAIN);

fs/ceph/armor.c

@@ -1,11 +1,15 @@
 
 #include <linux/errno.h>
 
+int ceph_armor(char *dst, const char *src, const char *end);
+int ceph_unarmor(char *dst, const char *src, const char *end);
+
 /*
  * base64 encode/decode.
  */
 
-const char *pem_key = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+static const char *pem_key =
+	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
 
 static int encode_bits(int c)
 {

fs/ceph/auth.c

@@ -20,7 +20,7 @@ static u32 supported_protocols[] = {
 	CEPH_AUTH_CEPHX
 };
 
-int ceph_auth_init_protocol(struct ceph_auth_client *ac, int protocol)
+static int ceph_auth_init_protocol(struct ceph_auth_client *ac, int protocol)
 {
 	switch (protocol) {
 	case CEPH_AUTH_NONE:
@@ -133,8 +133,8 @@ int ceph_auth_build_hello(struct ceph_auth_client *ac, void *buf, size_t len)
 	return -ERANGE;
 }
 
-int ceph_build_auth_request(struct ceph_auth_client *ac,
-			   void *msg_buf, size_t msg_len)
+static int ceph_build_auth_request(struct ceph_auth_client *ac,
+				   void *msg_buf, size_t msg_len)
 {
 	struct ceph_mon_request_header *monhdr = msg_buf;
 	void *p = monhdr + 1;

fs/ceph/auth_x.c

@@ -87,8 +87,8 @@ static int ceph_x_decrypt(struct ceph_crypto_key *secret,
 /*
  * get existing (or insert new) ticket handler
  */
-struct ceph_x_ticket_handler *get_ticket_handler(struct ceph_auth_client *ac,
-						 int service)
+static struct ceph_x_ticket_handler *
+get_ticket_handler(struct ceph_auth_client *ac, int service)
 {
 	struct ceph_x_ticket_handler *th;
 	struct ceph_x_info *xi = ac->private;
@@ -429,7 +429,7 @@ static int ceph_x_build_request(struct ceph_auth_client *ac,
 		auth->struct_v = 1;
 		auth->key = 0;
 		for (u = (u64 *)tmp_enc; u + 1 <= (u64 *)(tmp_enc + ret); u++)
-			auth->key ^= *u;
+			auth->key ^= *(__le64 *)u;
 		dout(" server_challenge %llx client_challenge %llx key %llx\n",
 		     xi->server_challenge, le64_to_cpu(auth->client_challenge),
 		     le64_to_cpu(auth->key));

fs/ceph/buffer.c

@@ -47,22 +47,6 @@ void ceph_buffer_release(struct kref *kref)
 	kfree(b);
 }
 
-int ceph_buffer_alloc(struct ceph_buffer *b, int len, gfp_t gfp)
-{
-	b->vec.iov_base = kmalloc(len, gfp | __GFP_NOWARN);
-	if (b->vec.iov_base) {
-		b->is_vmalloc = false;
-	} else {
-		b->vec.iov_base = __vmalloc(len, gfp, PAGE_KERNEL);
-		b->is_vmalloc = true;
-	}
-	if (!b->vec.iov_base)
-		return -ENOMEM;
-	b->alloc_len = len;
-	b->vec.iov_len = len;
-	return 0;
-}
-
 int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end)
 {
 	size_t len;