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Commit 5b664cb2 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2:
  [PATCH] ocfs2: fix oops in mmap_truncate testing
  configfs: call drop_link() to cleanup after create_link() failure
  configfs: Allow ->make_item() and ->make_group() to return detailed errors.
  configfs: Fix failing mkdir() making racing rmdir() fail
  configfs: Fix deadlock with racing rmdir() and rename()
  configfs: Make configfs_new_dirent() return error code instead of NULL
  configfs: Protect configfs_dirent s_links list mutations
  configfs: Introduce configfs_dirent_lock
  ocfs2: Don't snprintf() without a format.
  ocfs2: Fix CONFIG_OCFS2_DEBUG_FS #ifdefs
  ocfs2/net: Silence build warnings on sparc64
  ocfs2: Handle error during journal load
  ocfs2: Silence an error message in ocfs2_file_aio_read()
  ocfs2: use simple_read_from_buffer()
  ocfs2: fix printk format warnings with OCFS2_FS_STATS=n
  [PATCH 2/2] ocfs2: Instrument fs cluster locks
  [PATCH 1/2] ocfs2: Add CONFIG_OCFS2_FS_STATS config option
parents f39548a6 c0420ad2

Documentation/filesystems/configfs/configfs.txt

+6 −4
Original line number Diff line number Diff line
@@ -233,10 +233,12 @@ accomplished via the group operations specified on the group's 
config_item_type.



	struct configfs_group_operations {

		struct config_item *(*make_item)(struct config_group *group,

						 const char *name);

		struct config_group *(*make_group)(struct config_group *group,

						   const char *name);

		int (*make_item)(struct config_group *group,

				 const char *name,

				 struct config_item **new_item);

		int (*make_group)(struct config_group *group,

				  const char *name,

				  struct config_group **new_group);

		int (*commit_item)(struct config_item *item);

		void (*disconnect_notify)(struct config_group *group,

					  struct config_item *item);

Documentation/filesystems/configfs/configfs_example.c

+8 −6
Original line number Diff line number Diff line
@@ -273,13 +273,13 @@ static inline struct simple_children *to_simple_children(struct config_item *ite 
	return item ? container_of(to_config_group(item), struct simple_children, group) : NULL;

}



static struct config_item *simple_children_make_item(struct config_group *group, const char *name)

static int simple_children_make_item(struct config_group *group, const char *name, struct config_item **new_item)

{

	struct simple_child *simple_child;



	simple_child = kzalloc(sizeof(struct simple_child), GFP_KERNEL);

	if (!simple_child)

		return NULL;

		return -ENOMEM;





	config_item_init_type_name(&simple_child->item, name,
@@ -287,7 +287,8 @@ static struct config_item *simple_children_make_item(struct config_group *group, 


	simple_child->storeme = 0;



	return &simple_child->item;

	*new_item = &simple_child->item;

	return 0;

}



static struct configfs_attribute simple_children_attr_description = {
@@ -359,20 +360,21 @@ static struct configfs_subsystem simple_children_subsys = { 
 * children of its own.

 */



static struct config_group *group_children_make_group(struct config_group *group, const char *name)

static int group_children_make_group(struct config_group *group, const char *name, struct config_group **new_group)

{

	struct simple_children *simple_children;



	simple_children = kzalloc(sizeof(struct simple_children),

				  GFP_KERNEL);

	if (!simple_children)

		return NULL;

		return -ENOMEM;





	config_group_init_type_name(&simple_children->group, name,

				    &simple_children_type);



	return &simple_children->group;

	*new_group = &simple_children->group;

	return 0;

}



static struct configfs_attribute group_children_attr_description = {

drivers/net/netconsole.c

+6 −4
Original line number Diff line number Diff line
@@ -585,8 +585,9 @@ static struct config_item_type netconsole_target_type = { 
 * Group operations and type for netconsole_subsys.

 */



static struct config_item *make_netconsole_target(struct config_group *group,

						  const char *name)

static int make_netconsole_target(struct config_group *group,

				  const char *name,

				  struct config_item **new_item)

{

	unsigned long flags;

	struct netconsole_target *nt;
@@ -598,7 +599,7 @@ static struct config_item *make_netconsole_target(struct config_group *group, 
	nt = kzalloc(sizeof(*nt), GFP_KERNEL);

	if (!nt) {

		printk(KERN_ERR "netconsole: failed to allocate memory\n");

		return NULL;

		return -ENOMEM;

	}



	nt->np.name = "netconsole";
@@ -615,7 +616,8 @@ static struct config_item *make_netconsole_target(struct config_group *group, 
	list_add(&nt->list, &target_list);

	spin_unlock_irqrestore(&target_list_lock, flags);



	return &nt->item;

	*new_item = &nt->item;

	return 0;

}



static void drop_netconsole_target(struct config_group *group,

fs/Kconfig

+8 −0
Original line number Diff line number Diff line
@@ -470,6 +470,14 @@ config OCFS2_FS_USERSPACE_CLUSTER 
	  It is safe to say Y, as the clustering method is run-time

	  selectable.



config OCFS2_FS_STATS

	bool "OCFS2 statistics"

	depends on OCFS2_FS

	default y

	help

	  This option allows some fs statistics to be captured. Enabling

	  this option may increase the memory consumption.



config OCFS2_DEBUG_MASKLOG

	bool "OCFS2 logging support"

	depends on OCFS2_FS

fs/configfs/configfs_internal.h

+4 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 


#include <linux/slab.h>

#include <linux/list.h>

#include <linux/spinlock.h>



struct configfs_dirent {

	atomic_t		s_count;
@@ -47,8 +48,11 @@ struct configfs_dirent { 
#define CONFIGFS_USET_DIR	0x0040

#define CONFIGFS_USET_DEFAULT	0x0080

#define CONFIGFS_USET_DROPPING	0x0100

#define CONFIGFS_USET_IN_MKDIR	0x0200

#define CONFIGFS_NOT_PINNED	(CONFIGFS_ITEM_ATTR)



extern spinlock_t configfs_dirent_lock;



extern struct vfsmount * configfs_mount;

extern struct kmem_cache *configfs_dir_cachep;