[PATCH] slab: remove kmem_cache_t

[mirror_ubuntu-bionic-kernel.git] / fs / fuse / inode.c

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index cb7cadb0b7901906e2dfd47bd5f3aac3b3578fb7..2bdc652b8b467f3aac5744ef2da3d41f0d7661a5 100644 (file)
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -22,7 +22,7 @@ MODULE_AUTHOR("Miklos Szeredi <miklos@szeredi.hu>");
 MODULE_DESCRIPTION("Filesystem in Userspace");
 MODULE_LICENSE("GPL");
 
-static kmem_cache_t *fuse_inode_cachep;
+static struct kmem_cache *fuse_inode_cachep;
 struct list_head fuse_conn_list;
 DEFINE_MUTEX(fuse_mutex);
 
@@ -46,7 +46,7 @@ static struct inode *fuse_alloc_inode(struct super_block *sb)
        struct inode *inode;
        struct fuse_inode *fi;
 
-       inode = kmem_cache_alloc(fuse_inode_cachep, SLAB_KERNEL);
+       inode = kmem_cache_alloc(fuse_inode_cachep, GFP_KERNEL);
        if (!inode)
                return NULL;
 
@@ -109,6 +109,7 @@ static int fuse_remount_fs(struct super_block *sb, int *flags, char *data)
 
 void fuse_change_attributes(struct inode *inode, struct fuse_attr *attr)
 {
+       struct fuse_conn *fc = get_fuse_conn(inode);
        if (S_ISREG(inode->i_mode) && i_size_read(inode) != attr->size)
                invalidate_inode_pages(inode->i_mapping);
 
@@ -117,7 +118,9 @@ void fuse_change_attributes(struct inode *inode, struct fuse_attr *attr)
        inode->i_nlink   = attr->nlink;
        inode->i_uid     = attr->uid;
        inode->i_gid     = attr->gid;
+       spin_lock(&fc->lock);
        i_size_write(inode, attr->size);
+       spin_unlock(&fc->lock);
        inode->i_blocks  = attr->blocks;
        inode->i_atime.tv_sec   = attr->atime;
        inode->i_atime.tv_nsec  = attr->atimensec;
@@ -130,7 +133,7 @@ void fuse_change_attributes(struct inode *inode, struct fuse_attr *attr)
 static void fuse_init_inode(struct inode *inode, struct fuse_attr *attr)
 {
        inode->i_mode = attr->mode & S_IFMT;
-       i_size_write(inode, attr->size);
+       inode->i_size = attr->size;
        if (S_ISREG(inode->i_mode)) {
                fuse_init_common(inode);
                fuse_init_file_inode(inode);
@@ -169,7 +172,6 @@ struct inode *fuse_iget(struct super_block *sb, unsigned long nodeid,
        struct inode *inode;
        struct fuse_inode *fi;
        struct fuse_conn *fc = get_fuse_conn_super(sb);
-       int retried = 0;
 
  retry:
        inode = iget5_locked(sb, nodeid, fuse_inode_eq, fuse_inode_set, &nodeid);
@@ -183,16 +185,16 @@ struct inode *fuse_iget(struct super_block *sb, unsigned long nodeid,
                fuse_init_inode(inode, attr);
                unlock_new_inode(inode);
        } else if ((inode->i_mode ^ attr->mode) & S_IFMT) {
-               BUG_ON(retried);
                /* Inode has changed type, any I/O on the old should fail */
                make_bad_inode(inode);
                iput(inode);
-               retried = 1;
                goto retry;
        }
 
        fi = get_fuse_inode(inode);
+       spin_lock(&fc->lock);
        fi->nlookup ++;
+       spin_unlock(&fc->lock);
        fuse_change_attributes(inode, attr);
        return inode;
 }
@@ -251,6 +253,7 @@ static int fuse_statfs(struct dentry *dentry, struct kstatfs *buf)
        memset(&outarg, 0, sizeof(outarg));
        req->in.numargs = 0;
        req->in.h.opcode = FUSE_STATFS;
+       req->in.h.nodeid = get_node_id(dentry->d_inode);
        req->out.numargs = 1;
        req->out.args[0].size =
                fc->minor < 4 ? FUSE_COMPAT_STATFS_SIZE : sizeof(outarg);
@@ -376,6 +379,7 @@ static struct fuse_conn *new_conn(void)
        fc = kzalloc(sizeof(*fc), GFP_KERNEL);
        if (fc) {
                spin_lock_init(&fc->lock);
+               mutex_init(&fc->inst_mutex);
                atomic_set(&fc->count, 1);
                init_waitqueue_head(&fc->waitq);
                init_waitqueue_head(&fc->blocked_waitq);
@@ -395,8 +399,10 @@ static struct fuse_conn *new_conn(void)
 
 void fuse_conn_put(struct fuse_conn *fc)
 {
-       if (atomic_dec_and_test(&fc->count))
+       if (atomic_dec_and_test(&fc->count)) {
+               mutex_destroy(&fc->inst_mutex);
                kfree(fc);
+       }
 }
 
 struct fuse_conn *fuse_conn_get(struct fuse_conn *fc)
@@ -595,7 +601,7 @@ static struct file_system_type fuse_fs_type = {
 static decl_subsys(fuse, NULL, NULL);
 static decl_subsys(connections, NULL, NULL);
 
-static void fuse_inode_init_once(void *foo, kmem_cache_t *cachep,
+static void fuse_inode_init_once(void *foo, struct kmem_cache *cachep,
                                 unsigned long flags)
 {
        struct inode * inode = foo;