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    Subject[PATCH v3 3/9] hugetlb: expose hugetlbfs_inode_info in header
    Date
    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.

    Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
    Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
    ---
    fs/hugetlbfs/inode.c | 10 ----------
    include/linux/hugetlb.h | 10 ++++++++++
    2 files changed, 10 insertions(+), 10 deletions(-)

    diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
    index ed113ea17aff..f57aab929e41 100644
    --- a/fs/hugetlbfs/inode.c
    +++ b/fs/hugetlbfs/inode.c
    @@ -55,16 +55,6 @@ struct hugetlbfs_config {
    umode_t mode;
    };

    -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);
    -}
    -
    int sysctl_hugetlb_shm_group;

    enum {
    diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
    index fbf5b31d47ee..590a77433a14 100644
    --- a/include/linux/hugetlb.h
    +++ b/include/linux/hugetlb.h
    @@ -279,6 +279,16 @@ 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,
    --
    2.15.0.125.g8f49766d64
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