#include <asm/prom.h>
#include <asm/semaphore.h>
#include <asm/spu.h>
+#include <asm/spu_priv1.h>
#include <asm/uaccess.h>
#include "spufs.h"
ei->i_gang = NULL;
ei->i_ctx = NULL;
+ ei->i_openers = 0;
return &ei->vfs_inode;
}
{
struct spufs_inode_info *ei = p;
- if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
- SLAB_CTOR_CONSTRUCTOR) {
- inode_init_once(&ei->vfs_inode);
- }
+ inode_init_once(&ei->vfs_inode);
}
static struct inode *
static int spufs_fill_dir(struct dentry *dir, struct tree_descr *files,
int mode, struct spu_context *ctx)
{
- struct dentry *dentry;
+ struct dentry *dentry, *tmp;
int ret;
while (files->name && files->name[0]) {
}
return 0;
out:
- spufs_prune_dir(dir);
+ /*
+ * remove all children from dir. dir->inode is not set so don't
+ * just simply use spufs_prune_dir() and panic afterwards :)
+ * dput() looks like it will do the right thing:
+ * - dec parent's ref counter
+ * - remove child from parent's child list
+ * - free child's inode if possible
+ * - free child
+ */
+ list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_u.d_child) {
+ dput(dentry);
+ }
+
+ shrink_dcache_parent(dir);
return ret;
}
return dcache_dir_close(inode, file);
}
-const struct inode_operations spufs_dir_inode_operations = {
- .lookup = simple_lookup,
-};
-
const struct file_operations spufs_context_fops = {
.open = dcache_dir_open,
.release = spufs_dir_close,
goto out_iput;
ctx->flags = flags;
- inode->i_op = &spufs_dir_inode_operations;
+ inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
if (flags & SPU_CREATE_NOSCHED)
ret = spufs_fill_dir(dentry, spufs_dir_nosched_contents,
goto out;
out_free_ctx:
+ spu_forget(ctx);
put_spu_context(ctx);
out_iput:
iput(inode);
return ret;
}
-static int spufs_rmgang(struct inode *root, struct dentry *dir)
-{
- /* FIXME: this fails if the dir is not empty,
- which causes a leak of gangs. */
- return simple_rmdir(root, dir);
-}
-
-static int spufs_gang_close(struct inode *inode, struct file *file)
-{
- struct inode *parent;
- struct dentry *dir;
- int ret;
-
- dir = file->f_path.dentry;
- parent = dir->d_parent->d_inode;
-
- ret = spufs_rmgang(parent, dir);
- WARN_ON(ret);
-
- return dcache_dir_close(inode, file);
-}
-
-const struct file_operations spufs_gang_fops = {
- .open = dcache_dir_open,
- .release = spufs_gang_close,
- .llseek = dcache_dir_lseek,
- .read = generic_read_dir,
- .readdir = dcache_readdir,
- .fsync = simple_sync_file,
-};
-
static int
spufs_mkgang(struct inode *dir, struct dentry *dentry, int mode)
{
if (!gang)
goto out_iput;
- inode->i_op = &spufs_dir_inode_operations;
+ inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
d_instantiate(dentry, inode);
- dget(dentry);
dir->i_nlink++;
dentry->d_inode->i_nlink++;
return ret;
goto out;
}
- filp->f_op = &spufs_gang_fops;
+ filp->f_op = &simple_dir_operations;
fd_install(ret, filp);
out:
return ret;
* in error path of *_open().
*/
ret = spufs_gang_open(dget(dentry), mntget(mnt));
- if (ret < 0)
- WARN_ON(spufs_rmgang(inode, dentry));
+ if (ret < 0) {
+ int err = simple_rmdir(inode, dentry);
+ WARN_ON(err);
+ }
out:
mutex_unlock(&inode->i_mutex);
/* File system initialization */
enum {
- Opt_uid, Opt_gid, Opt_err,
+ Opt_uid, Opt_gid, Opt_mode, Opt_err,
};
static match_table_t spufs_tokens = {
- { Opt_uid, "uid=%d" },
- { Opt_gid, "gid=%d" },
- { Opt_err, NULL },
+ { Opt_uid, "uid=%d" },
+ { Opt_gid, "gid=%d" },
+ { Opt_mode, "mode=%o" },
+ { Opt_err, NULL },
};
static int
return 0;
root->i_gid = option;
break;
+ case Opt_mode:
+ if (match_octal(&args[0], &option))
+ return 0;
+ root->i_mode = option | S_IFDIR;
+ break;
default:
return 0;
}
return 1;
}
+static void spufs_exit_isolated_loader(void)
+{
+ kfree(isolated_loader);
+}
+
static void
spufs_init_isolated_loader(void)
{
if (!dn)
return;
- loader = get_property(dn, "loader", &size);
+ loader = of_get_property(dn, "loader", &size);
if (!loader)
return;
struct inode *inode;
int ret;
+ ret = -ENODEV;
+ if (!spu_management_ops)
+ goto out;
+
ret = -ENOMEM;
inode = spufs_new_inode(sb, S_IFDIR | 0775);
if (!inode)
goto out;
- inode->i_op = &spufs_dir_inode_operations;
+ inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
SPUFS_I(inode)->i_ctx = NULL;
{
int ret;
+ ret = -ENODEV;
+ if (!spu_management_ops)
+ goto out;
+
ret = -ENOMEM;
spufs_inode_cache = kmem_cache_create("spufs_inode_cache",
sizeof(struct spufs_inode_info), 0,
if (!spufs_inode_cache)
goto out;
- if (spu_sched_init() != 0) {
- kmem_cache_destroy(spufs_inode_cache);
- goto out;
- }
- ret = register_filesystem(&spufs_type);
+ ret = spu_sched_init();
if (ret)
goto out_cache;
+ ret = register_filesystem(&spufs_type);
+ if (ret)
+ goto out_sched;
ret = register_spu_syscalls(&spufs_calls);
if (ret)
goto out_fs;
ret = register_arch_coredump_calls(&spufs_coredump_calls);
if (ret)
- goto out_fs;
+ goto out_syscalls;
spufs_init_isolated_loader();
return 0;
+
+out_syscalls:
+ unregister_spu_syscalls(&spufs_calls);
out_fs:
unregister_filesystem(&spufs_type);
+out_sched:
+ spu_sched_exit();
out_cache:
kmem_cache_destroy(spufs_inode_cache);
out:
static void __exit spufs_exit(void)
{
spu_sched_exit();
+ spufs_exit_isolated_loader();
unregister_arch_coredump_calls(&spufs_coredump_calls);
unregister_spu_syscalls(&spufs_calls);
unregister_filesystem(&spufs_type);
git.openpandora.org / pandora-kernel.git / blobdiff