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VFS: kernel/: d_inode() annotations 

relayfs and tracefs are dealing with inodes of their own;
those two act as filesystem drivers

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 22:26:16 +00:00 committed by Al Viro
parent 3b362157b2
commit 7682c91843
4 changed files with 9 additions and 9 deletions
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4
kernel/relay.c
View File

@ -407,7 +407,7 @@ static inline void relay_set_buf_dentry(struct rchan_buf *buf,
struct dentry *dentry) struct dentry *dentry)
{ {
buf->dentry = dentry; buf->dentry = dentry;
buf->dentry->d_inode->i_size = buf->early_bytes; d_inode(buf->dentry)->i_size = buf->early_bytes;
} }
static struct dentry *relay_create_buf_file(struct rchan *chan, static struct dentry *relay_create_buf_file(struct rchan *chan,
@ -733,7 +733,7 @@ size_t relay_switch_subbuf(struct rchan_buf *buf, size_t length)
buf->padding[old_subbuf] = buf->prev_padding; buf->padding[old_subbuf] = buf->prev_padding;
buf->subbufs_produced++; buf->subbufs_produced++;
if (buf->dentry) if (buf->dentry)
buf->dentry->d_inode->i_size += d_inode(buf->dentry)->i_size +=
buf->chan->subbuf_size - buf->chan->subbuf_size -
buf->padding[old_subbuf]; buf->padding[old_subbuf];
else else

8
kernel/trace/trace.c
View File

@ -5846,7 +5846,7 @@ trace_create_cpu_file(const char *name, umode_t mode, struct dentry *parent,
struct dentry *ret = trace_create_file(name, mode, parent, data, fops); struct dentry *ret = trace_create_file(name, mode, parent, data, fops);
if (ret) /* See tracing_get_cpu() */ if (ret) /* See tracing_get_cpu() */
ret->d_inode->i_cdev = (void *)(cpu + 1); d_inode(ret)->i_cdev = (void *)(cpu + 1);
return ret; return ret;
} }
@ -6420,7 +6420,7 @@ static int instance_rmdir(struct inode *inode, struct dentry *dentry)
return -ENOENT; return -ENOENT;
/* The caller did a dget() on dentry */ /* The caller did a dget() on dentry */
mutex_unlock(&dentry->d_inode->i_mutex); mutex_unlock(&d_inode(dentry)->i_mutex);
/* /*
* The inode mutex is locked, but debugfs_create_dir() will also * The inode mutex is locked, but debugfs_create_dir() will also
@ -6435,7 +6435,7 @@ static int instance_rmdir(struct inode *inode, struct dentry *dentry)
ret = instance_delete(dentry->d_iname); ret = instance_delete(dentry->d_iname);
mutex_lock_nested(&inode->i_mutex, I_MUTEX_PARENT); mutex_lock_nested(&inode->i_mutex, I_MUTEX_PARENT);
mutex_lock(&dentry->d_inode->i_mutex); mutex_lock(&d_inode(dentry)->i_mutex);
return ret; return ret;
} }
@ -6453,7 +6453,7 @@ static __init void create_trace_instances(struct dentry *d_tracer)
return; return;
/* Hijack the dir inode operations, to allow mkdir */ /* Hijack the dir inode operations, to allow mkdir */
trace_instance_dir->d_inode->i_op = &instance_dir_inode_operations; d_inode(trace_instance_dir)->i_op = &instance_dir_inode_operations;
} }
static void static void

4
kernel/trace/trace_events.c
View File

@ -494,8 +494,8 @@ static void remove_event_file_dir(struct ftrace_event_file *file)
if (dir) { if (dir) {
spin_lock(&dir->d_lock); /* probably unneeded */ spin_lock(&dir->d_lock); /* probably unneeded */
list_for_each_entry(child, &dir->d_subdirs, d_child) { list_for_each_entry(child, &dir->d_subdirs, d_child) {
if (child->d_inode) /* probably unneeded */ if (d_really_is_positive(child)) /* probably unneeded */
child->d_inode->i_private = NULL; d_inode(child)->i_private = NULL;
} }
spin_unlock(&dir->d_lock); spin_unlock(&dir->d_lock);

2
kernel/trace/trace_uprobe.c
View File

@ -443,7 +443,7 @@ static int create_trace_uprobe(int argc, char **argv)
if (ret) if (ret)
goto fail_address_parse; goto fail_address_parse;
inode = igrab(path.dentry->d_inode); inode = igrab(d_inode(path.dentry));
path_put(&path); path_put(&path);
if (!inode || !S_ISREG(inode->i_mode)) { if (!inode || !S_ISREG(inode->i_mode)) {