new helper: file_inode(file)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7617ee0..3ab6977 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2217,6 +2217,11 @@
return (inode->i_mode & S_IXUGO) || S_ISDIR(inode->i_mode);
}
+static inline struct inode *file_inode(struct file *f)
+{
+ return f->f_path.dentry->d_inode;
+}
+
/*
* get_write_access() gets write permission for a file.
* put_write_access() releases this write permission.
@@ -2239,7 +2244,7 @@
}
static inline int deny_write_access(struct file *file)
{
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
return atomic_dec_unless_positive(&inode->i_writecount) ? 0 : -ETXTBSY;
}
static inline void put_write_access(struct inode * inode)
@@ -2249,7 +2254,7 @@
static inline void allow_write_access(struct file *file)
{
if (file)
- atomic_inc(&file->f_path.dentry->d_inode->i_writecount);
+ atomic_inc(&file_inode(file)->i_writecount);
}
#ifdef CONFIG_IMA
static inline void i_readcount_dec(struct inode *inode)
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 0fbfb46..a78680a 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -244,7 +244,7 @@
static inline void fsnotify_close(struct file *file)
{
struct path *path = &file->f_path;
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
fmode_t mode = file->f_mode;
__u32 mask = (mode & FMODE_WRITE) ? FS_CLOSE_WRITE : FS_CLOSE_NOWRITE;
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 0c80d3f..7083295 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -281,7 +281,7 @@
static inline struct hstate *hstate_file(struct file *f)
{
- return hstate_inode(f->f_dentry->d_inode);
+ return hstate_inode(file_inode(f));
}
static inline struct hstate *hstate_vma(struct vm_area_struct *vma)
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index f5a051a..0e62d84 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -291,7 +291,7 @@
static inline struct inode *nlmsvc_file_inode(struct nlm_file *file)
{
- return file->f_file->f_path.dentry->d_inode;
+ return file_inode(file->f_file);
}
static inline int __nlm_privileged_request4(const struct sockaddr *sap)