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new helper: file_inode(file)

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2013-01-23 17:07:38 -05:00
parent 57eccb830f
commit 496ad9aa8e
306 changed files with 696 additions and 717 deletions
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2
mm/fadvise.c
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@@ -38,7 +38,7 @@ SYSCALL_DEFINE(fadvise64_64)(int fd, loff_t offset, loff_t len, int advice)
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;
}

2
mm/filemap.c
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@@ -1711,7 +1711,7 @@ EXPORT_SYMBOL(filemap_fault);
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);

4
mm/hugetlb.c
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@@ -127,7 +127,7 @@ static inline struct hugepage_subpool *subpool_inode(struct inode *inode)
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 @@ static int unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma,
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

8
mm/mmap.c
View File

@@ -202,7 +202,7 @@ static void __remove_shared_vm_struct(struct vm_area_struct *vma,
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 @@ static void __vma_link_file(struct vm_area_struct *vma)
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 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
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 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
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;

12
mm/nommu.c
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@@ -941,7 +941,7 @@ static int validate_mmap_request(struct file *file,
*/
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 @@ static int validate_mmap_request(struct file *file,
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 @@ static int validate_mmap_request(struct file *file,
!(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 @@ unsigned long do_mmap_pgoff(struct file *file,
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)

12
mm/shmem.c
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@@ -1295,7 +1295,7 @@ unlock:
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 @@ static int shmem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
#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 @@ static struct mempolicy *shmem_get_policy(struct vm_area_struct *vma,
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 @@ shmem_write_end(struct file *file, struct address_space *mapping,
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 loff_t shmem_file_llseek(struct file *file, loff_t offset, int whence)
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;

2
mm/swapfile.c
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@@ -1699,7 +1699,7 @@ static int swap_show(struct seq_file *swap, void *v)
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),