2017-10-31 18:44:05

by Marc-André Lureau

[permalink] [raw]
Subject: [PATCH 1/6] shmem: unexport shmem_add_seals()/shmem_get_seals()

The functions are called through shmem_fcntl() only.

Signed-off-by: Marc-André Lureau <[email protected]>
---
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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