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    Subject[PATCH 1/6] shmem: unexport shmem_add_seals()/shmem_get_seals()
    Date
    The functions are called through shmem_fcntl() only.

    Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
    ---
    include/linux/shmem_fs.h | 2 --
    mm/shmem.c | 6 ++----
    2 files changed, 2 insertions(+), 6 deletions(-)

    diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h
    index b6c3540e07bc..557d0c3b6eca 100644
    --- a/include/linux/shmem_fs.h
    +++ b/include/linux/shmem_fs.h
    @@ -109,8 +109,6 @@ extern void shmem_uncharge(struct inode *inode, long pages);

    #ifdef CONFIG_TMPFS

    -extern int shmem_add_seals(struct file *file, unsigned int seals);
    -extern int shmem_get_seals(struct file *file);
    extern long shmem_fcntl(struct file *file, unsigned int cmd, unsigned long arg);

    #else
    diff --git a/mm/shmem.c b/mm/shmem.c
    index 07a1d22807be..37260c5e12fa 100644
    --- a/mm/shmem.c
    +++ b/mm/shmem.c
    @@ -2722,7 +2722,7 @@ static int shmem_wait_for_pins(struct address_space *mapping)
    F_SEAL_GROW | \
    F_SEAL_WRITE)

    -int shmem_add_seals(struct file *file, unsigned int seals)
    +static int shmem_add_seals(struct file *file, unsigned int seals)
    {
    struct inode *inode = file_inode(file);
    struct shmem_inode_info *info = SHMEM_I(inode);
    @@ -2791,16 +2791,14 @@ int shmem_add_seals(struct file *file, unsigned int seals)
    inode_unlock(inode);
    return error;
    }
    -EXPORT_SYMBOL_GPL(shmem_add_seals);

    -int shmem_get_seals(struct file *file)
    +static int shmem_get_seals(struct file *file)
    {
    if (file->f_op != &shmem_file_operations)
    return -EINVAL;

    return SHMEM_I(file_inode(file))->seals;
    }
    -EXPORT_SYMBOL_GPL(shmem_get_seals);

    long shmem_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
    {
    --
    2.15.0.rc0.40.gaefcc5f6f
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