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shmem: make use of ->free_inode() 

same situation as for hugetlbfs

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2019-04-15 23:19:05 -04:00
parent b62de32257
commit 74b1da5645
1 changed files with 2 additions and 3 deletions
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5
mm/shmem.c
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@ -3635,9 +3635,8 @@ static struct inode *shmem_alloc_inode(struct super_block *sb)
return &info->vfs_inode; return &info->vfs_inode;
} }
static void shmem_destroy_callback(struct rcu_head *head) static void shmem_free_in_core_inode(struct inode *inode)
{ {
struct inode *inode = container_of(head, struct inode, i_rcu);
if (S_ISLNK(inode->i_mode)) if (S_ISLNK(inode->i_mode))
kfree(inode->i_link); kfree(inode->i_link);
kmem_cache_free(shmem_inode_cachep, SHMEM_I(inode)); kmem_cache_free(shmem_inode_cachep, SHMEM_I(inode));
@ -3647,7 +3646,6 @@ static void shmem_destroy_inode(struct inode *inode)
{ {
if (S_ISREG(inode->i_mode)) if (S_ISREG(inode->i_mode))
mpol_free_shared_policy(&SHMEM_I(inode)->policy); mpol_free_shared_policy(&SHMEM_I(inode)->policy);
call_rcu(&inode->i_rcu, shmem_destroy_callback);
} }
static void shmem_init_inode(void *foo) static void shmem_init_inode(void *foo)
@ -3738,6 +3736,7 @@ static const struct inode_operations shmem_special_inode_operations = {
static const struct super_operations shmem_ops = { static const struct super_operations shmem_ops = {
.alloc_inode = shmem_alloc_inode, .alloc_inode = shmem_alloc_inode,
.free_inode = shmem_free_in_core_inode,
.destroy_inode = shmem_destroy_inode, .destroy_inode = shmem_destroy_inode,
#ifdef CONFIG_TMPFS #ifdef CONFIG_TMPFS
.statfs = shmem_statfs, .statfs = shmem_statfs,