new helper: file_inode(file)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/mm/fadvise.c b/mm/fadvise.c
index a47f0f5..6deaa6c 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -38,7 +38,7 @@
if (!f.file)
return -EBADF;
- if (S_ISFIFO(f.file->f_path.dentry->d_inode->i_mode)) {
+ if (S_ISFIFO(file_inode(f.file)->i_mode)) {
ret = -ESPIPE;
goto out;
}
diff --git a/mm/filemap.c b/mm/filemap.c
index 83efee7..6a48a7e 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1711,7 +1711,7 @@
int filemap_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct page *page = vmf->page;
- struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(vma->vm_file);
int ret = VM_FAULT_LOCKED;
sb_start_pagefault(inode->i_sb);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 4f3ea0b..b97e806 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -127,7 +127,7 @@
static inline struct hugepage_subpool *subpool_vma(struct vm_area_struct *vma)
{
- return subpool_inode(vma->vm_file->f_dentry->d_inode);
+ return subpool_inode(file_inode(vma->vm_file));
}
/*
@@ -2482,7 +2482,7 @@
address = address & huge_page_mask(h);
pgoff = ((address - vma->vm_start) >> PAGE_SHIFT) +
vma->vm_pgoff;
- mapping = vma->vm_file->f_dentry->d_inode->i_mapping;
+ mapping = file_inode(vma->vm_file)->i_mapping;
/*
* Take the mapping lock for the duration of the table walk. As
diff --git a/mm/mmap.c b/mm/mmap.c
index 35730ee..22dfc01 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -202,7 +202,7 @@
struct file *file, struct address_space *mapping)
{
if (vma->vm_flags & VM_DENYWRITE)
- atomic_inc(&file->f_path.dentry->d_inode->i_writecount);
+ atomic_inc(&file_inode(file)->i_writecount);
if (vma->vm_flags & VM_SHARED)
mapping->i_mmap_writable--;
@@ -567,7 +567,7 @@
struct address_space *mapping = file->f_mapping;
if (vma->vm_flags & VM_DENYWRITE)
- atomic_dec(&file->f_path.dentry->d_inode->i_writecount);
+ atomic_dec(&file_inode(file)->i_writecount);
if (vma->vm_flags & VM_SHARED)
mapping->i_mmap_writable++;
@@ -1217,7 +1217,7 @@
return -EAGAIN;
}
- inode = file ? file->f_path.dentry->d_inode : NULL;
+ inode = file ? file_inode(file) : NULL;
if (file) {
switch (flags & MAP_TYPE) {
@@ -1403,7 +1403,7 @@
int error;
struct rb_node **rb_link, *rb_parent;
unsigned long charged = 0;
- struct inode *inode = file ? file->f_path.dentry->d_inode : NULL;
+ struct inode *inode = file ? file_inode(file) : NULL;
/* Clear old maps */
error = -ENOMEM;
diff --git a/mm/nommu.c b/mm/nommu.c
index 79c3cac..f87d217 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -941,7 +941,7 @@
*/
mapping = file->f_mapping;
if (!mapping)
- mapping = file->f_path.dentry->d_inode->i_mapping;
+ mapping = file_inode(file)->i_mapping;
capabilities = 0;
if (mapping && mapping->backing_dev_info)
@@ -950,7 +950,7 @@
if (!capabilities) {
/* no explicit capabilities set, so assume some
* defaults */
- switch (file->f_path.dentry->d_inode->i_mode & S_IFMT) {
+ switch (file_inode(file)->i_mode & S_IFMT) {
case S_IFREG:
case S_IFBLK:
capabilities = BDI_CAP_MAP_COPY;
@@ -985,11 +985,11 @@
!(file->f_mode & FMODE_WRITE))
return -EACCES;
- if (IS_APPEND(file->f_path.dentry->d_inode) &&
+ if (IS_APPEND(file_inode(file)) &&
(file->f_mode & FMODE_WRITE))
return -EACCES;
- if (locks_verify_locked(file->f_path.dentry->d_inode))
+ if (locks_verify_locked(file_inode(file)))
return -EAGAIN;
if (!(capabilities & BDI_CAP_MAP_DIRECT))
@@ -1322,8 +1322,8 @@
continue;
/* search for overlapping mappings on the same file */
- if (pregion->vm_file->f_path.dentry->d_inode !=
- file->f_path.dentry->d_inode)
+ if (file_inode(pregion->vm_file) !=
+ file_inode(file))
continue;
if (pregion->vm_pgoff >= pgend)
diff --git a/mm/shmem.c b/mm/shmem.c
index 5dd56f6..814d554 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1295,7 +1295,7 @@
static int shmem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
- struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(vma->vm_file);
int error;
int ret = VM_FAULT_LOCKED;
@@ -1313,14 +1313,14 @@
#ifdef CONFIG_NUMA
static int shmem_set_policy(struct vm_area_struct *vma, struct mempolicy *mpol)
{
- struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(vma->vm_file);
return mpol_set_shared_policy(&SHMEM_I(inode)->policy, vma, mpol);
}
static struct mempolicy *shmem_get_policy(struct vm_area_struct *vma,
unsigned long addr)
{
- struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(vma->vm_file);
pgoff_t index;
index = ((addr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
@@ -1330,7 +1330,7 @@
int shmem_lock(struct file *file, int lock, struct user_struct *user)
{
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
struct shmem_inode_info *info = SHMEM_I(inode);
int retval = -ENOMEM;
@@ -1465,7 +1465,7 @@
static void do_shmem_file_read(struct file *filp, loff_t *ppos, read_descriptor_t *desc, read_actor_t actor)
{
- struct inode *inode = filp->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(filp);
struct address_space *mapping = inode->i_mapping;
pgoff_t index;
unsigned long offset;
@@ -1808,7 +1808,7 @@
static long shmem_fallocate(struct file *file, int mode, loff_t offset,
loff_t len)
{
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
struct shmem_sb_info *sbinfo = SHMEM_SB(inode->i_sb);
struct shmem_falloc shmem_falloc;
pgoff_t start, index, end;
diff --git a/mm/swapfile.c b/mm/swapfile.c
index e97a0e5..ed39300 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1699,7 +1699,7 @@
len = seq_path(swap, &file->f_path, " \t\n\\");
seq_printf(swap, "%*s%s\t%u\t%u\t%d\n",
len < 40 ? 40 - len : 1, " ",
- S_ISBLK(file->f_path.dentry->d_inode->i_mode) ?
+ S_ISBLK(file_inode(file)->i_mode) ?
"partition" : "file\t",
si->pages << (PAGE_SHIFT - 10),
si->inuse_pages << (PAGE_SHIFT - 10),