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authorJoel Becker <joel.becker@oracle.com>2007-07-06 23:33:17 -0700
committerMark Fasheh <mark.fasheh@oracle.com>2007-07-10 17:10:56 -0700
commite6bd07aee739566803425acdbf5cdb29919164e1 (patch)
treee085a5065d06af2b7c0cab8bcd8fb4eb289344be /fs/dlm
parent3fe6c5ce1176cf661dbe71fc43b627c1a742a89a (diff)
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configfs: Convert subsystem semaphore to mutex
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 3168b0780d06ace875696f8a648d04d6089654e5 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>
Diffstat (limited to 'fs/dlm')
-rw-r--r--fs/dlm/config.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/dlm/config.c b/fs/dlm/config.c
index 4348cb42cf17..2f8e3c81bc19 100644
--- a/fs/dlm/config.c
+++ b/fs/dlm/config.c
@@ -607,7 +607,7 @@ static struct clusters clusters_root = {
int dlm_config_init(void)
{
config_group_init(&clusters_root.subsys.su_group);
- init_MUTEX(&clusters_root.subsys.su_sem);
+ mutex_init(&clusters_root.subsys.su_mutex);
return configfs_register_subsystem(&clusters_root.subsys);
}
@@ -751,9 +751,9 @@ static struct space *get_space(char *name)
if (!space_list)
return NULL;
- down(&space_list->cg_subsys->su_sem);
+ mutex_lock(&space_list->cg_subsys->su_mutex);
i = config_group_find_item(space_list, name);
- up(&space_list->cg_subsys->su_sem);
+ mutex_unlock(&space_list->cg_subsys->su_mutex);
return to_space(i);
}
@@ -772,7 +772,7 @@ static struct comm *get_comm(int nodeid, struct sockaddr_storage *addr)
if (!comm_list)
return NULL;
- down(&clusters_root.subsys.su_sem);
+ mutex_lock(&clusters_root.subsys.su_mutex);
list_for_each_entry(i, &comm_list->cg_children, ci_entry) {
cm = to_comm(i);
@@ -792,7 +792,7 @@ static struct comm *get_comm(int nodeid, struct sockaddr_storage *addr)
break;
}
}
- up(&clusters_root.subsys.su_sem);
+ mutex_unlock(&clusters_root.subsys.su_mutex);
if (!found)
cm = NULL;