static int
spufs_new_file(struct super_block *sb, struct dentry *dentry,
- struct file_operations *fops, int mode,
+ const struct file_operations *fops, int mode,
struct spu_context *ctx)
{
static struct inode_operations spufs_file_iops = {
ret = 0;
inode->i_op = &spufs_file_iops;
inode->i_fop = fops;
- inode->u.generic_ip = SPUFS_I(inode)->i_ctx = get_spu_context(ctx);
+ inode->i_private = SPUFS_I(inode)->i_ctx = get_spu_context(ctx);
d_add(dentry, inode);
out:
return ret;
static void spufs_prune_dir(struct dentry *dir)
{
struct dentry *dentry, *tmp;
- down(&dir->d_inode->i_sem);
- list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_child) {
+ mutex_lock(&dir->d_inode->i_mutex);
+ list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_u.d_child) {
spin_lock(&dcache_lock);
spin_lock(&dentry->d_lock);
if (!(d_unhashed(dentry)) && dentry->d_inode) {
}
}
shrink_dcache_parent(dir);
- up(&dir->d_inode->i_sem);
+ mutex_unlock(&dir->d_inode->i_mutex);
}
+/* Caller must hold root->i_mutex */
static int spufs_rmdir(struct inode *root, struct dentry *dir_dentry)
{
- struct spu_context *ctx;
-
/* remove all entries */
- down(&root->i_sem);
spufs_prune_dir(dir_dentry);
- up(&root->i_sem);
-
- /* We have to give up the mm_struct */
- ctx = SPUFS_I(dir_dentry->d_inode)->i_ctx;
- spu_forget(ctx);
- /* XXX Do we need to hold i_sem here ? */
return simple_rmdir(root, dir_dentry);
}
static int spufs_dir_close(struct inode *inode, struct file *file)
{
+ struct spu_context *ctx;
struct inode *dir;
struct dentry *dentry;
int ret;
dentry = file->f_dentry;
dir = dentry->d_parent->d_inode;
+ ctx = SPUFS_I(dentry->d_inode)->i_ctx;
+ mutex_lock(&dir->i_mutex);
ret = spufs_rmdir(dir, dentry);
+ mutex_unlock(&dir->i_mutex);
WARN_ON(ret);
+ /* We have to give up the mm_struct */
+ spu_forget(ctx);
+
return dcache_dir_close(inode, file);
}
inode->i_gid = dir->i_gid;
inode->i_mode &= S_ISGID;
}
- ctx = alloc_spu_context(inode->i_mapping);
+ ctx = alloc_spu_context();
SPUFS_I(inode)->i_ctx = ctx;
if (!ctx)
goto out_iput;
nd->dentry != nd->dentry->d_sb->s_root)
goto out;
+ /* all flags are reserved */
+ if (flags)
+ goto out;
+
dentry = lookup_create(nd, 1);
ret = PTR_ERR(dentry);
if (IS_ERR(dentry))
* in error path of *_open().
*/
ret = spufs_context_open(dget(dentry), mntget(nd->mnt));
- if (ret < 0)
- spufs_rmdir(nd->dentry->d_inode, dentry);
+ if (ret < 0) {
+ WARN_ON(spufs_rmdir(nd->dentry->d_inode, dentry));
+ mutex_unlock(&nd->dentry->d_inode->i_mutex);
+ spu_forget(SPUFS_I(dentry->d_inode)->i_ctx);
+ dput(dentry);
+ goto out;
+ }
out_dput:
dput(dentry);
out_dir:
- up(&nd->dentry->d_inode->i_sem);
+ mutex_unlock(&nd->dentry->d_inode->i_mutex);
out:
return ret;
}
return spufs_create_root(sb, data);
}
-static struct super_block *
+static int
spufs_get_sb(struct file_system_type *fstype, int flags,
- const char *name, void *data)
+ const char *name, void *data, struct vfsmount *mnt)
{
- return get_sb_single(fstype, flags, data, spufs_fill_super);
+ return get_sb_single(fstype, flags, data, spufs_fill_super, mnt);
}
static struct file_system_type spufs_type = {
.kill_sb = kill_litter_super,
};
-static int spufs_init(void)
+static int __init spufs_init(void)
{
int ret;
ret = -ENOMEM;
}
module_init(spufs_init);
-static void spufs_exit(void)
+static void __exit spufs_exit(void)
{
spu_sched_exit();
unregister_spu_syscalls(&spufs_calls);