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VFS: normal filesystems (and lustre): d_inode() annotations

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that's the bulk of filesystem drivers dealing with inodes of their own

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Howells
2015-03-17 22:25:59 +00:00
committed by Al Viro
parent ce0b16ddf1
commit 2b0143b5c9
278 changed files with 1419 additions and 1420 deletions
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70
fs/configfs/dir.c
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@@ -289,7 +289,7 @@ static int configfs_create_dir(struct config_item *item, struct dentry *dentry)
configfs_set_dir_dirent_depth(p->d_fsdata, dentry->d_fsdata);
error = configfs_create(dentry, mode, init_dir);
if (!error) {
inc_nlink(p->d_inode);
inc_nlink(d_inode(p));
item->ci_dentry = dentry;
} else {
struct configfs_dirent *sd = dentry->d_fsdata;
@@ -375,8 +375,8 @@ static void remove_dir(struct dentry * d)
list_del_init(&sd->s_sibling);
spin_unlock(&configfs_dirent_lock);
configfs_put(sd);
if (d->d_inode)
simple_rmdir(parent->d_inode,d);
if (d_really_is_positive(d))
simple_rmdir(d_inode(parent),d);
pr_debug(" o %pd removing done (%d)\n", d, d_count(d));
@@ -513,7 +513,7 @@ static int configfs_detach_prep(struct dentry *dentry, struct mutex **wait_mutex
/* Abort if racing with mkdir() */
if (sd->s_type & CONFIGFS_USET_IN_MKDIR) {
if (wait_mutex)
*wait_mutex = &sd->s_dentry->d_inode->i_mutex;
*wait_mutex = &d_inode(sd->s_dentry)->i_mutex;
return -EAGAIN;
}
@@ -624,13 +624,13 @@ static void detach_groups(struct config_group *group)
child = sd->s_dentry;
mutex_lock(&child->d_inode->i_mutex);
mutex_lock(&d_inode(child)->i_mutex);
configfs_detach_group(sd->s_element);
child->d_inode->i_flags |= S_DEAD;
d_inode(child)->i_flags |= S_DEAD;
dont_mount(child);
mutex_unlock(&child->d_inode->i_mutex);
mutex_unlock(&d_inode(child)->i_mutex);
d_delete(child);
dput(child);
@@ -672,7 +672,7 @@ static int create_default_group(struct config_group *parent_group,
sd = child->d_fsdata;
sd->s_type |= CONFIGFS_USET_DEFAULT;
} else {
BUG_ON(child->d_inode);
BUG_ON(d_inode(child));
d_drop(child);
dput(child);
}
@@ -818,11 +818,11 @@ static int configfs_attach_item(struct config_item *parent_item,
* the VFS may already have hit and used them. Thus,
* we must lock them as rmdir() would.
*/
mutex_lock(&dentry->d_inode->i_mutex);
mutex_lock(&d_inode(dentry)->i_mutex);
configfs_remove_dir(item);
dentry->d_inode->i_flags |= S_DEAD;
d_inode(dentry)->i_flags |= S_DEAD;
dont_mount(dentry);
mutex_unlock(&dentry->d_inode->i_mutex);
mutex_unlock(&d_inode(dentry)->i_mutex);
d_delete(dentry);
}
}
@@ -858,16 +858,16 @@ static int configfs_attach_group(struct config_item *parent_item,
* We must also lock the inode to remove it safely in case of
* error, as rmdir() would.
*/
mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_CHILD);
mutex_lock_nested(&d_inode(dentry)->i_mutex, I_MUTEX_CHILD);
configfs_adjust_dir_dirent_depth_before_populate(sd);
ret = populate_groups(to_config_group(item));
if (ret) {
configfs_detach_item(item);
dentry->d_inode->i_flags |= S_DEAD;
d_inode(dentry)->i_flags |= S_DEAD;
dont_mount(dentry);
}
configfs_adjust_dir_dirent_depth_after_populate(sd);
mutex_unlock(&dentry->d_inode->i_mutex);
mutex_unlock(&d_inode(dentry)->i_mutex);
if (ret)
d_delete(dentry);
}
@@ -1075,7 +1075,7 @@ int configfs_depend_item(struct configfs_subsystem *subsys,
* subsystem is really registered, and so we need to lock out
* configfs_[un]register_subsystem().
*/
mutex_lock(&root->d_inode->i_mutex);
mutex_lock(&d_inode(root)->i_mutex);
root_sd = root->d_fsdata;
@@ -1111,7 +1111,7 @@ int configfs_depend_item(struct configfs_subsystem *subsys,
out_unlock_dirent_lock:
spin_unlock(&configfs_dirent_lock);
out_unlock_fs:
mutex_unlock(&root->d_inode->i_mutex);
mutex_unlock(&d_inode(root)->i_mutex);
/*
* If we succeeded, the fs is pinned via other methods. If not,
@@ -1453,11 +1453,11 @@ int configfs_rename_dir(struct config_item * item, const char *new_name)
down_write(&configfs_rename_sem);
parent = item->parent->dentry;
mutex_lock(&parent->d_inode->i_mutex);
mutex_lock(&d_inode(parent)->i_mutex);
new_dentry = lookup_one_len(new_name, parent, strlen(new_name));
if (!IS_ERR(new_dentry)) {
if (!new_dentry->d_inode) {
if (d_really_is_negative(new_dentry)) {
error = config_item_set_name(item, "%s", new_name);
if (!error) {
d_add(new_dentry, NULL);
@@ -1469,7 +1469,7 @@ int configfs_rename_dir(struct config_item * item, const char *new_name)
error = -EEXIST;
dput(new_dentry);
}
mutex_unlock(&parent->d_inode->i_mutex);
mutex_unlock(&d_inode(parent)->i_mutex);
up_write(&configfs_rename_sem);
return error;
@@ -1482,7 +1482,7 @@ static int configfs_dir_open(struct inode *inode, struct file *file)
struct configfs_dirent * parent_sd = dentry->d_fsdata;
int err;
mutex_lock(&dentry->d_inode->i_mutex);
mutex_lock(&d_inode(dentry)->i_mutex);
/*
* Fake invisibility if dir belongs to a group/default groups hierarchy
* being attached
@@ -1495,7 +1495,7 @@ static int configfs_dir_open(struct inode *inode, struct file *file)
else
err = 0;
}
mutex_unlock(&dentry->d_inode->i_mutex);
mutex_unlock(&d_inode(dentry)->i_mutex);
return err;
}
@@ -1505,11 +1505,11 @@ static int configfs_dir_close(struct inode *inode, struct file *file)
struct dentry * dentry = file->f_path.dentry;
struct configfs_dirent * cursor = file->private_data;
mutex_lock(&dentry->d_inode->i_mutex);
mutex_lock(&d_inode(dentry)->i_mutex);
spin_lock(&configfs_dirent_lock);
list_del_init(&cursor->s_sibling);
spin_unlock(&configfs_dirent_lock);
mutex_unlock(&dentry->d_inode->i_mutex);
mutex_unlock(&d_inode(dentry)->i_mutex);
release_configfs_dirent(cursor);
@@ -1567,7 +1567,7 @@ static int configfs_readdir(struct file *file, struct dir_context *ctx)
spin_lock(&configfs_dirent_lock);
dentry = next->s_dentry;
if (dentry)
inode = dentry->d_inode;
inode = d_inode(dentry);
if (inode)
ino = inode->i_ino;
spin_unlock(&configfs_dirent_lock);
@@ -1590,7 +1590,7 @@ static loff_t configfs_dir_lseek(struct file *file, loff_t offset, int whence)
{
struct dentry * dentry = file->f_path.dentry;
mutex_lock(&dentry->d_inode->i_mutex);
mutex_lock(&d_inode(dentry)->i_mutex);
switch (whence) {
case 1:
offset += file->f_pos;
@@ -1598,7 +1598,7 @@ static loff_t configfs_dir_lseek(struct file *file, loff_t offset, int whence)
if (offset >= 0)
break;
default:
mutex_unlock(&dentry->d_inode->i_mutex);
mutex_unlock(&d_inode(dentry)->i_mutex);
return -EINVAL;
}
if (offset != file->f_pos) {
@@ -1624,7 +1624,7 @@ static loff_t configfs_dir_lseek(struct file *file, loff_t offset, int whence)
spin_unlock(&configfs_dirent_lock);
}
}
mutex_unlock(&dentry->d_inode->i_mutex);
mutex_unlock(&d_inode(dentry)->i_mutex);
return offset;
}
@@ -1654,7 +1654,7 @@ int configfs_register_subsystem(struct configfs_subsystem *subsys)
sd = root->d_fsdata;
link_group(to_config_group(sd->s_element), group);
mutex_lock_nested(&root->d_inode->i_mutex, I_MUTEX_PARENT);
mutex_lock_nested(&d_inode(root)->i_mutex, I_MUTEX_PARENT);
err = -ENOMEM;
dentry = d_alloc_name(root, group->cg_item.ci_name);
@@ -1664,7 +1664,7 @@ int configfs_register_subsystem(struct configfs_subsystem *subsys)
err = configfs_attach_group(sd->s_element, &group->cg_item,
dentry);
if (err) {
BUG_ON(dentry->d_inode);
BUG_ON(d_inode(dentry));
d_drop(dentry);
dput(dentry);
} else {
@@ -1674,7 +1674,7 @@ int configfs_register_subsystem(struct configfs_subsystem *subsys)
}
}
mutex_unlock(&root->d_inode->i_mutex);
mutex_unlock(&d_inode(root)->i_mutex);
if (err) {
unlink_group(group);
@@ -1695,9 +1695,9 @@ void configfs_unregister_subsystem(struct configfs_subsystem *subsys)
return;
}
mutex_lock_nested(&root->d_inode->i_mutex,
mutex_lock_nested(&d_inode(root)->i_mutex,
I_MUTEX_PARENT);
mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_CHILD);
mutex_lock_nested(&d_inode(dentry)->i_mutex, I_MUTEX_CHILD);
mutex_lock(&configfs_symlink_mutex);
spin_lock(&configfs_dirent_lock);
if (configfs_detach_prep(dentry, NULL)) {
@@ -1706,13 +1706,13 @@ void configfs_unregister_subsystem(struct configfs_subsystem *subsys)
spin_unlock(&configfs_dirent_lock);
mutex_unlock(&configfs_symlink_mutex);
configfs_detach_group(&group->cg_item);
dentry->d_inode->i_flags |= S_DEAD;
d_inode(dentry)->i_flags |= S_DEAD;
dont_mount(dentry);
mutex_unlock(&dentry->d_inode->i_mutex);
mutex_unlock(&d_inode(dentry)->i_mutex);
d_delete(dentry);
mutex_unlock(&root->d_inode->i_mutex);
mutex_unlock(&d_inode(root)->i_mutex);
dput(dentry);