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| author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2018-01-31 16:19:22 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-01-31 17:18:39 -0800 |
| commit | da14c1e524a56d62b846f73ae44fd722d63747b6 (patch) | |
| tree | 5ddf7c58e544b4dfe11c63ab61067b48b0341a6c /include/linux/hugetlb.h | |
| parent | 5aadc431a593ac1f3a026dfbceaa16cc4d5e15ca (diff) | |
| download | lwn-da14c1e524a56d62b846f73ae44fd722d63747b6.tar.gz lwn-da14c1e524a56d62b846f73ae44fd722d63747b6.zip | |
hugetlb: expose hugetlbfs_inode_info in header
hugetlbfs inode information will need to be accessed by code in
mm/shmem.c for file sealing operations. Move inode information
definition from .c file to header for needed access.
Link: http://lkml.kernel.org/r/20171107122800.25517-4-marcandre.lureau@redhat.com
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/hugetlb.h')
| -rw-r--r-- | include/linux/hugetlb.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 6fcf140188d0..d02301e3f232 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -270,6 +270,16 @@ static inline struct hugetlbfs_sb_info *HUGETLBFS_SB(struct super_block *sb) return sb->s_fs_info; } +struct hugetlbfs_inode_info { + struct shared_policy policy; + struct inode vfs_inode; +}; + +static inline struct hugetlbfs_inode_info *HUGETLBFS_I(struct inode *inode) +{ + return container_of(inode, struct hugetlbfs_inode_info, vfs_inode); +} + extern const struct file_operations hugetlbfs_file_operations; extern const struct vm_operations_struct hugetlb_vm_ops; struct file *hugetlb_file_setup(const char *name, size_t size, vm_flags_t acct, |