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kvm: Use private inode list instead of i_private_list

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Instead of using mapping->i_private_list use a list in private part of
the inode.

CC: kvm@vger.kernel.org
CC: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://patch.msgid.link/20260326095354.16340-69-jack@suse.cz
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Jan Kara 2026-03-26 10:54:21 +01:00 • committed by Christian Brauner
commit d15c987d12
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GPG key ID: 91C61BC06578DCA2
1 changed files with 7 additions and 5 deletions
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12
virt/kvm/guest_memfd.c
View file

@ -30,6 +30,7 @@ struct gmem_file {
struct gmem_inode {
struct shared_policy policy;
struct inode vfs_inode;
struct list_head gmem_file_list;
u64 flags;
};
@ -39,8 +40,8 @@ static __always_inline struct gmem_inode *GMEM_I(struct inode *inode)
return container_of(inode, struct gmem_inode, vfs_inode);
}
#define kvm_gmem_for_each_file(f, mapping) \
list_for_each_entry(f, &(mapping)->i_private_list, entry)
#define kvm_gmem_for_each_file(f, inode) \
list_for_each_entry(f, &GMEM_I(inode)->gmem_file_list, entry)
/**
* folio_file_pfn - like folio_file_page, but return a pfn.
@ -202,7 +203,7 @@ static void kvm_gmem_invalidate_begin(struct inode *inode, pgoff_t start,
attr_filter = kvm_gmem_get_invalidate_filter(inode);
kvm_gmem_for_each_file(f, inode->i_mapping)
kvm_gmem_for_each_file(f, inode)
__kvm_gmem_invalidate_begin(f, start, end, attr_filter);
}
@ -223,7 +224,7 @@ static void kvm_gmem_invalidate_end(struct inode *inode, pgoff_t start,
{
struct gmem_file *f;
kvm_gmem_for_each_file(f, inode->i_mapping)
kvm_gmem_for_each_file(f, inode)
__kvm_gmem_invalidate_end(f, start, end);
}
@ -609,7 +610,7 @@ static int __kvm_gmem_create(struct kvm *kvm, loff_t size, u64 flags)
kvm_get_kvm(kvm);
f->kvm = kvm;
xa_init(&f->bindings);
list_add(&f->entry, &inode->i_mapping->i_private_list);
list_add(&f->entry, &GMEM_I(inode)->gmem_file_list);
fd_install(fd, file);
return fd;
@ -945,6 +946,7 @@ static struct inode *kvm_gmem_alloc_inode(struct super_block *sb)
mpol_shared_policy_init(&gi->policy, NULL);
gi->flags = 0;
INIT_LIST_HEAD(&gi->gmem_file_list);
return &gi->vfs_inode;
}