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whack-a-mole: cropped up open-coded file_inode() uses...

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Merge tag 'pull-file_inode' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull file_inode() updates from Al Vrio:
 "whack-a-mole: cropped up open-coded file_inode() uses..."

* tag 'pull-file_inode' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  orangefs: use ->f_mapping
  _nfs42_proc_copy(): use ->f_mapping instead of file_inode()->i_mapping
  dma_buf: no need to bother with file_inode()->i_mapping
  nfs_finish_open(): don't open-code file_inode()
  bprm_fill_uid(): don't open-code file_inode()
  sgx: use ->f_mapping...
  exfat_iterate(): don't open-code file_inode(file)
  ibmvmc: don't open-code file_inode()
This commit is contained in:
Linus Torvalds 2022-10-06 17:22:11 -07:00
commit ab29622157
8 changed files with 13 additions and 15 deletions
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3
arch/x86/kernel/cpu/sgx/encl.c
View File

@ -912,8 +912,7 @@ const cpumask_t *sgx_encl_cpumask(struct sgx_encl *encl)
static struct page *sgx_encl_get_backing_page(struct sgx_encl *encl,
pgoff_t index)
{
struct inode *inode = encl->backing->f_path.dentry->d_inode;
struct address_space *mapping = inode->i_mapping;
struct address_space *mapping = encl->backing->f_mapping;
gfp_t gfpmask = mapping_gfp_mask(mapping);
return shmem_read_mapping_page_gfp(mapping, index, gfpmask);

2
drivers/dma-buf/udmabuf.c
View File

@ -213,7 +213,7 @@ static long udmabuf_create(struct miscdevice *device,
memfd = fget(list[i].memfd);
if (!memfd)
goto err;
mapping = file_inode(memfd)->i_mapping;
mapping = memfd->f_mapping;
if (!shmem_mapping(mapping) && !is_file_hugepages(memfd))
goto err;
seals = memfd_fcntl(memfd, F_GET_SEALS, 0);

6
drivers/misc/ibmvmc.c
View File

@ -1039,6 +1039,7 @@ static unsigned int ibmvmc_poll(struct file *file, poll_table *wait)
static ssize_t ibmvmc_write(struct file *file, const char *buffer,
size_t count, loff_t *ppos)
{
struct inode *inode;
struct ibmvmc_buffer *vmc_buffer;
struct ibmvmc_file_session *session;
struct crq_server_adapter *adapter;
@ -1122,8 +1123,9 @@ static ssize_t ibmvmc_write(struct file *file, const char *buffer,
if (p == buffer)
goto out;
file->f_path.dentry->d_inode->i_mtime = current_time(file_inode(file));
mark_inode_dirty(file->f_path.dentry->d_inode);
inode = file_inode(file);
inode->i_mtime = current_time(inode);
mark_inode_dirty(inode);
dev_dbg(adapter->dev, "write: file = 0x%lx, count = 0x%lx\n",
(unsigned long)file, (unsigned long)count);

3
fs/exec.c
View File

@ -1587,7 +1587,7 @@ static void bprm_fill_uid(struct linux_binprm *bprm, struct file *file)
{
/* Handle suid and sgid on files */
struct user_namespace *mnt_userns;
struct inode *inode;
struct inode *inode = file_inode(file);
unsigned int mode;
kuid_t uid;
kgid_t gid;
@ -1598,7 +1598,6 @@ static void bprm_fill_uid(struct linux_binprm *bprm, struct file *file)
if (task_no_new_privs(current))
return;
inode = file->f_path.dentry->d_inode;
mode = READ_ONCE(inode->i_mode);
if (!(mode & (S_ISUID|S_ISGID)))
return;

6
fs/exfat/dir.c
View File

@ -212,9 +212,9 @@ static void exfat_free_namebuf(struct exfat_dentry_namebuf *nb)
/* skip iterating emit_dots when dir is empty */
#define ITER_POS_FILLED_DOTS (2)
static int exfat_iterate(struct file *filp, struct dir_context *ctx)
static int exfat_iterate(struct file *file, struct dir_context *ctx)
{
struct inode *inode = filp->f_path.dentry->d_inode;
struct inode *inode = file_inode(file);
struct super_block *sb = inode->i_sb;
struct inode *tmp;
struct exfat_dir_entry de;
@ -228,7 +228,7 @@ static int exfat_iterate(struct file *filp, struct dir_context *ctx)
mutex_lock(&EXFAT_SB(sb)->s_lock);
cpos = ctx->pos;
if (!dir_emit_dots(filp, ctx))
if (!dir_emit_dots(file, ctx))
goto unlock;
if (ctx->pos == ITER_POS_FILLED_DOTS) {

2
fs/nfs/dir.c
View File

@ -2022,7 +2022,7 @@ static int nfs_finish_open(struct nfs_open_context *ctx,
err = finish_open(file, dentry, do_open);
if (err)
goto out;
if (S_ISREG(file->f_path.dentry->d_inode->i_mode))
if (S_ISREG(file_inode(file)->i_mode))
nfs_file_set_open_context(file, ctx);
else
err = -EOPENSTALE;

2
fs/nfs/nfs42proc.c
View File

@ -341,7 +341,7 @@ static ssize_t _nfs42_proc_copy(struct file *src,
return status;
}
}
status = nfs_filemap_write_and_wait_range(file_inode(src)->i_mapping,
status = nfs_filemap_write_and_wait_range(src->f_mapping,
pos_src, pos_src + (loff_t)count - 1);
if (status)
return status;

4
fs/orangefs/file.c
View File

@ -417,9 +417,7 @@ static int orangefs_file_release(struct inode *inode, struct file *file)
* readahead cache (if any); this forces an expensive refresh of
* data for the next caller of mmap (or 'get_block' accesses)
*/
if (file_inode(file) &&
file_inode(file)->i_mapping &&
mapping_nrpages(&file_inode(file)->i_data)) {
if (mapping_nrpages(file->f_mapping)) {
if (orangefs_features & ORANGEFS_FEATURE_READAHEAD) {
gossip_debug(GOSSIP_INODE_DEBUG,
"calling flush_racache on %pU\n",