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configfs: Convert subsystem semaphore to mutex

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Convert the su_sem member of struct configfs_subsystem to a struct
mutex, as that's what it is. Also convert all the users and update
Documentation/configfs.txt and Documentation/configfs_example.c
accordingly.

[ Conflict in fs/dlm/config.c with commit
  3168b0780d manually resolved. --Mark ]

Inspired-by: Satyam Sharma <ssatyam@cse.iitk.ac.in>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
This commit is contained in:
Joel Becker
2007-07-06 23:33:17 -07:00
committed by Mark Fasheh
parent 3fe6c5ce11
commit e6bd07aee7
6 changed files with 26 additions and 26 deletions
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4
include/linux/configfs.h
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@@ -40,9 +40,9 @@
#include <linux/types.h>
#include <linux/list.h>
#include <linux/kref.h>
#include <linux/mutex.h>
#include <asm/atomic.h>
#include <asm/semaphore.h>
#define CONFIGFS_ITEM_NAME_LEN 20
@@ -174,7 +174,7 @@ struct configfs_group_operations {
struct configfs_subsystem {
struct config_group su_group;
struct semaphore su_sem;
struct mutex su_mutex;
};
static inline struct configfs_subsystem *to_configfs_subsystem(struct config_group *group)