A inode is necessary for some drivers that needs special address_space
and address_space_operation for page migration. Each drivers can create
inode with the anon_inodefs.
Signed-off-by: Gioh Kim <gioh.kim@xxxxxxx>
---
fs/anon_inodes.c | 6 ++++++
include/linux/anon_inodes.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 80ef38c..1d51f96 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -162,6 +162,12 @@ err_put_unused_fd:
}
EXPORT_SYMBOL_GPL(anon_inode_getfd);
+struct inode *anon_inode_new(void)
+{
+ return alloc_anon_inode(anon_inode_mnt->mnt_sb);
+}
+EXPORT_SYMBOL_GPL(anon_inode_new);
+
static int __init anon_inode_init(void)
{
anon_inode_mnt = kern_mount(&anon_inode_fs_type);
diff --git a/include/linux/anon_inodes.h b/include/linux/anon_inodes.h
index 8013a45..ddbd67f 100644
--- a/include/linux/anon_inodes.h
+++ b/include/linux/anon_inodes.h
@@ -15,6 +15,7 @@ struct file *anon_inode_getfile(const char *name,
void *priv, int flags);
int anon_inode_getfd(const char *name, const struct file_operations *fops,
void *priv, int flags);
+struct inode *anon_inode_new(void);
#endif /* _LINUX_ANON_INODES_H */
--
1.9.1
--
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