linux-kernel - [PATCH 3/6] hugetlb: expose hugetlbfs_inode

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Date:   Tue, 31 Oct 2017 19:40:49 +0100
From:   Marc-André Lureau <marcandre.lureau@...hat.com>
To:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Cc:     aarcange@...hat.com, hughd@...gle.com, nyc@...omorphy.com,
        mike.kravetz@...cle.com,
        Marc-André Lureau <marcandre.lureau@...hat.com>
Subject: [PATCH 3/6] hugetlb: expose hugetlbfs_inode_info in header

The following patch is going to access hugetlbfs_inode_info field from
mm/shmem.c.

Signed-off-by: Marc-André Lureau <marcandre.lureau@...hat.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 59073e9f01a4..ea7b10357ac4 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 8bbbd37ab105..f78daf54897d 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -278,6 +278,16 @@ 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.rc0.40.gaefcc5f6f