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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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8
ipc/shm.c
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@@ -193,7 +193,7 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp)
if (!is_file_hugepages(shp->shm_file))
shmem_lock(shp->shm_file, 0, shp->mlock_user);
else if (shp->mlock_user)
user_shm_unlock(shp->shm_file->f_path.dentry->d_inode->i_size,
user_shm_unlock(file_inode(shp->shm_file)->i_size,
shp->mlock_user);
fput (shp->shm_file);
security_shm_free(shp);
@@ -529,7 +529,7 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
* shmid gets reported as "inode#" in /proc/pid/maps.
* proc-ps tools use this. Changing this will break them.
*/
file->f_dentry->d_inode->i_ino = shp->shm_perm.id;
file_inode(file)->i_ino = shp->shm_perm.id;
ns->shm_tot += numpages;
error = shp->shm_perm.id;
@@ -678,7 +678,7 @@ static void shm_add_rss_swap(struct shmid_kernel *shp,
{
struct inode *inode;
inode = shp->shm_file->f_path.dentry->d_inode;
inode = file_inode(shp->shm_file);
if (is_file_hugepages(shp->shm_file)) {
struct address_space *mapping = inode->i_mapping;
@@ -1173,7 +1173,7 @@ SYSCALL_DEFINE1(shmdt, char __user *, shmaddr)
(vma->vm_start - addr)/PAGE_SIZE == vma->vm_pgoff) {
size = vma->vm_file->f_path.dentry->d_inode->i_size;
size = file_inode(vma->vm_file)->i_size;
do_munmap(mm, vma->vm_start, vma->vm_end - vma->vm_start);
/*
* We discovered the size of the shm segment, so