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Date: Wed, 1 Nov 2017 15:50:23 -0700 From: Mike Kravetz <mike.kravetz@...cle.com> To: Marc-André Lureau <marcandre.lureau@...hat.com>, linux-mm@...ck.org, linux-kernel@...r.kernel.org Cc: aarcange@...hat.com, hughd@...gle.com, nyc@...omorphy.com Subject: Re: [PATCH 1/6] shmem: unexport shmem_add_seals()/shmem_get_seals() On 10/31/2017 11:40 AM, Marc-André Lureau wrote: > The functions are called through shmem_fcntl() only. And no danger in removing the EXPORTs as the routines only work with shmem file structs. > > Signed-off-by: Marc-André Lureau <marcandre.lureau@...hat.com> Reviewed-by: Mike Kravetz <mike.kravetz@...cle.com> -- Mike Kravetz > --- > 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) > { >
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