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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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56
fs/debugfs/inode.c
View file

@ -46,7 +46,7 @@ static struct inode *debugfs_get_inode(struct super_block *sb)
static inline int debugfs_positive(struct dentry *dentry)
{
return dentry->d_inode && !d_unhashed(dentry);
return d_really_is_positive(dentry) && !d_unhashed(dentry);
}
struct debugfs_mount_opts {
@ -124,7 +124,7 @@ static int debugfs_parse_options(char *data, struct debugfs_mount_opts *opts)
static int debugfs_apply_options(struct super_block *sb)
{
struct debugfs_fs_info *fsi = sb->s_fs_info;
struct inode *inode = sb->s_root->d_inode;
struct inode *inode = d_inode(sb->s_root);
struct debugfs_mount_opts *opts = &fsi->mount_opts;
inode->i_mode &= ~S_IALLUGO;
@ -188,7 +188,7 @@ static struct vfsmount *debugfs_automount(struct path *path)
{
struct vfsmount *(*f)(void *);
f = (struct vfsmount *(*)(void *))path->dentry->d_fsdata;
return f(path->dentry->d_inode->i_private);
return f(d_inode(path->dentry)->i_private);
}
static const struct dentry_operations debugfs_dops = {
@ -267,20 +267,20 @@ static struct dentry *start_creating(const char *name, struct dentry *parent)
if (!parent)
parent = debugfs_mount->mnt_root;
mutex_lock(&parent->d_inode->i_mutex);
mutex_lock(&d_inode(parent)->i_mutex);
dentry = lookup_one_len(name, parent, strlen(name));
if (!IS_ERR(dentry) && dentry->d_inode) {
if (!IS_ERR(dentry) && d_really_is_positive(dentry)) {
dput(dentry);
dentry = ERR_PTR(-EEXIST);
}
if (IS_ERR(dentry))
mutex_unlock(&parent->d_inode->i_mutex);
mutex_unlock(&d_inode(parent)->i_mutex);
return dentry;
}
static struct dentry *failed_creating(struct dentry *dentry)
{
mutex_unlock(&dentry->d_parent->d_inode->i_mutex);
mutex_unlock(&d_inode(dentry->d_parent)->i_mutex);
dput(dentry);
simple_release_fs(&debugfs_mount, &debugfs_mount_count);
return NULL;
@ -288,7 +288,7 @@ static struct dentry *failed_creating(struct dentry *dentry)
static struct dentry *end_creating(struct dentry *dentry)
{
mutex_unlock(&dentry->d_parent->d_inode->i_mutex);
mutex_unlock(&d_inode(dentry->d_parent)->i_mutex);
return dentry;
}
@ -341,7 +341,7 @@ struct dentry *debugfs_create_file(const char *name, umode_t mode,
inode->i_fop = fops ? fops : &debugfs_file_operations;
inode->i_private = data;
d_instantiate(dentry, inode);
fsnotify_create(dentry->d_parent->d_inode, dentry);
fsnotify_create(d_inode(dentry->d_parent), dentry);
return end_creating(dentry);
}
EXPORT_SYMBOL_GPL(debugfs_create_file);
@ -381,7 +381,7 @@ struct dentry *debugfs_create_file_size(const char *name, umode_t mode,
struct dentry *de = debugfs_create_file(name, mode, parent, data, fops);
if (de)
de->d_inode->i_size = file_size;
d_inode(de)->i_size = file_size;
return de;
}
EXPORT_SYMBOL_GPL(debugfs_create_file_size);
@ -423,8 +423,8 @@ struct dentry *debugfs_create_dir(const char *name, struct dentry *parent)
/* directory inodes start off with i_nlink == 2 (for "." entry) */
inc_nlink(inode);
d_instantiate(dentry, inode);
inc_nlink(dentry->d_parent->d_inode);
fsnotify_mkdir(dentry->d_parent->d_inode, dentry);
inc_nlink(d_inode(dentry->d_parent));
fsnotify_mkdir(d_inode(dentry->d_parent), dentry);
return end_creating(dentry);
}
EXPORT_SYMBOL_GPL(debugfs_create_dir);
@ -522,9 +522,9 @@ static int __debugfs_remove(struct dentry *dentry, struct dentry *parent)
if (debugfs_positive(dentry)) {
dget(dentry);
if (d_is_dir(dentry))
ret = simple_rmdir(parent->d_inode, dentry);
ret = simple_rmdir(d_inode(parent), dentry);
else
simple_unlink(parent->d_inode, dentry);
simple_unlink(d_inode(parent), dentry);
if (!ret)
d_delete(dentry);
dput(dentry);
@ -554,12 +554,12 @@ void debugfs_remove(struct dentry *dentry)
return;
parent = dentry->d_parent;
if (!parent || !parent->d_inode)
if (!parent || d_really_is_negative(parent))
return;
mutex_lock(&parent->d_inode->i_mutex);
mutex_lock(&d_inode(parent)->i_mutex);
ret = __debugfs_remove(dentry, parent);
mutex_unlock(&parent->d_inode->i_mutex);
mutex_unlock(&d_inode(parent)->i_mutex);
if (!ret)
simple_release_fs(&debugfs_mount, &debugfs_mount_count);
}
@ -585,12 +585,12 @@ void debugfs_remove_recursive(struct dentry *dentry)
return;
parent = dentry->d_parent;
if (!parent || !parent->d_inode)
if (!parent || d_really_is_negative(parent))
return;
parent = dentry;
down:
mutex_lock(&parent->d_inode->i_mutex);
mutex_lock(&d_inode(parent)->i_mutex);
loop:
/*
* The parent->d_subdirs is protected by the d_lock. Outside that
@ -605,7 +605,7 @@ void debugfs_remove_recursive(struct dentry *dentry)
/* perhaps simple_empty(child) makes more sense */
if (!list_empty(&child->d_subdirs)) {
spin_unlock(&parent->d_lock);
mutex_unlock(&parent->d_inode->i_mutex);
mutex_unlock(&d_inode(parent)->i_mutex);
parent = child;
goto down;
}
@ -626,10 +626,10 @@ void debugfs_remove_recursive(struct dentry *dentry)
}
spin_unlock(&parent->d_lock);
mutex_unlock(&parent->d_inode->i_mutex);
mutex_unlock(&d_inode(parent)->i_mutex);
child = parent;
parent = parent->d_parent;
mutex_lock(&parent->d_inode->i_mutex);
mutex_lock(&d_inode(parent)->i_mutex);
if (child != dentry)
/* go up */
@ -637,7 +637,7 @@ void debugfs_remove_recursive(struct dentry *dentry)
if (!__debugfs_remove(child, parent))
simple_release_fs(&debugfs_mount, &debugfs_mount_count);
mutex_unlock(&parent->d_inode->i_mutex);
mutex_unlock(&d_inode(parent)->i_mutex);
}
EXPORT_SYMBOL_GPL(debugfs_remove_recursive);
@ -669,27 +669,27 @@ struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry,
trap = lock_rename(new_dir, old_dir);
/* Source or destination directories don't exist? */
if (!old_dir->d_inode || !new_dir->d_inode)
if (d_really_is_negative(old_dir) || d_really_is_negative(new_dir))
goto exit;
/* Source does not exist, cyclic rename, or mountpoint? */
if (!old_dentry->d_inode || old_dentry == trap ||
if (d_really_is_negative(old_dentry) || old_dentry == trap ||
d_mountpoint(old_dentry))
goto exit;
dentry = lookup_one_len(new_name, new_dir, strlen(new_name));
/* Lookup failed, cyclic rename or target exists? */
if (IS_ERR(dentry) || dentry == trap || dentry->d_inode)
if (IS_ERR(dentry) || dentry == trap || d_really_is_positive(dentry))
goto exit;
old_name = fsnotify_oldname_init(old_dentry->d_name.name);
error = simple_rename(old_dir->d_inode, old_dentry, new_dir->d_inode,
error = simple_rename(d_inode(old_dir), old_dentry, d_inode(new_dir),
dentry);
if (error) {
fsnotify_oldname_free(old_name);
goto exit;
}
d_move(old_dentry, dentry);
fsnotify_move(old_dir->d_inode, new_dir->d_inode, old_name,
fsnotify_move(d_inode(old_dir), d_inode(new_dir), old_name,
d_is_dir(old_dentry),
NULL, old_dentry);
fsnotify_oldname_free(old_name);