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vfs-7.1-rc1.bh.metadata

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Please consider pulling these changes from the signed vfs-7.1-rc1.bh.metadata tag.
 
 Thanks!
 Christian
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Merge tag 'vfs-7.1-rc1.bh.metadata' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

Pull vfs buffer_head updates from Christian Brauner:
 "This cleans up the mess that has accumulated over the years in
  metadata buffer_head tracking for inodes.

  It moves the tracking into dedicated structure in filesystem-private
  part of the inode (so that we don't use private_list, private_data,
  and private_lock in struct address_space), and also moves couple other
  users of private_data and private_list so these are removed from
  struct address_space saving 3 longs in struct inode for 99% of inodes"

* tag 'vfs-7.1-rc1.bh.metadata' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (42 commits)
  fs: Drop i_private_list from address_space
  fs: Drop mapping_metadata_bhs from address space
  ext4: Track metadata bhs in fs-private inode part
  minix: Track metadata bhs in fs-private inode part
  udf: Track metadata bhs in fs-private inode part
  fat: Track metadata bhs in fs-private inode part
  bfs: Track metadata bhs in fs-private inode part
  affs: Track metadata bhs in fs-private inode part
  ext2: Track metadata bhs in fs-private inode part
  fs: Provide functions for handling mapping_metadata_bhs directly
  fs: Switch inode_has_buffers() to take mapping_metadata_bhs
  fs: Make bhs point to mapping_metadata_bhs
  fs: Move metadata bhs tracking to a separate struct
  fs: Fold fsync_buffers_list() into sync_mapping_buffers()
  fs: Drop osync_buffers_list()
  kvm: Use private inode list instead of i_private_list
  fs: Remove i_private_data
  aio: Stop using i_private_data and i_private_lock
  hugetlbfs: Stop using i_private_data
  fs: Stop using i_private_data for metadata bh tracking
  ...
This commit is contained in:
Linus Torvalds 2026-04-13 12:46:42 -07:00
commit fc825e513c
65 changed files with 474 additions and 492 deletions
Download patch file Download diff file Expand all files Collapse all files

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;
}