From e6bd07aee739566803425acdbf5cdb29919164e1 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 6 Jul 2007 23:33:17 -0700 Subject: 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 Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/dlm/config.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'fs/dlm/config.c') diff --git a/fs/dlm/config.c b/fs/dlm/config.c index 4348cb42cf1..2f8e3c81bc1 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; -- cgit v1.2.3