[PATCH] fuse: miscellaneous cleanup
- remove some unneeded assignments
- use kzalloc instead of kmalloc + memset
- simplify setting sb->s_fs_info
- in fuse_send_init() use fuse_get_request() instead of
do_get_request() helper
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index d76432b..4f1ca7b 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -361,8 +361,8 @@
void fuse_send_init(struct fuse_conn *fc)
{
/* This is called from fuse_read_super() so there's guaranteed
- to be a request available */
- struct fuse_req *req = do_get_request(fc);
+ to be exactly one request available */
+ struct fuse_req *req = fuse_get_request(fc);
struct fuse_init_in *arg = &req->misc.init_in;
arg->major = FUSE_KERNEL_VERSION;
arg->minor = FUSE_KERNEL_MINOR_VERSION;
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 74c8d09..27937e8 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -280,14 +280,9 @@
struct backing_dev_info bdi;
};
-static inline struct fuse_conn **get_fuse_conn_super_p(struct super_block *sb)
-{
- return (struct fuse_conn **) &sb->s_fs_info;
-}
-
static inline struct fuse_conn *get_fuse_conn_super(struct super_block *sb)
{
- return *get_fuse_conn_super_p(sb);
+ return sb->s_fs_info;
}
static inline struct fuse_conn *get_fuse_conn(struct inode *inode)
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 04c80cc..ceee75d 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -200,9 +200,6 @@
spin_lock(&fuse_lock);
fc->mounted = 0;
- fc->user_id = 0;
- fc->group_id = 0;
- fc->flags = 0;
/* Flush all readers on this fs */
wake_up_all(&fc->waitq);
up_write(&fc->sbput_sem);
@@ -379,16 +376,15 @@
{
struct fuse_conn *fc;
- fc = kmalloc(sizeof(*fc), GFP_KERNEL);
+ fc = kzalloc(sizeof(*fc), GFP_KERNEL);
if (fc != NULL) {
int i;
- memset(fc, 0, sizeof(*fc));
init_waitqueue_head(&fc->waitq);
INIT_LIST_HEAD(&fc->pending);
INIT_LIST_HEAD(&fc->processing);
INIT_LIST_HEAD(&fc->unused_list);
INIT_LIST_HEAD(&fc->background);
- sema_init(&fc->outstanding_sem, 0);
+ sema_init(&fc->outstanding_sem, 1); /* One for INIT */
init_rwsem(&fc->sbput_sem);
for (i = 0; i < FUSE_MAX_OUTSTANDING; i++) {
struct fuse_req *req = fuse_request_alloc();
@@ -420,7 +416,7 @@
fc = ERR_PTR(-EINVAL);
} else {
file->private_data = fc;
- *get_fuse_conn_super_p(sb) = fc;
+ sb->s_fs_info = fc;
fc->mounted = 1;
fc->connected = 1;
fc->count = 2;