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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2016-02-17 16:49:38 -0800
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2016-03-30 14:12:22 -0700
commit9a08c352d05305ca7651540c3b107da1e4e1f40b (patch)
treed8b850a2330ab9f98c5a1c00fe54ac741e6e6c82 /fs/internal.h
parentf55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff)
downloadlinux-9a08c352d05305ca7651540c3b107da1e4e1f40b.tar.bz2
fs: add filp_clone_open API
I need an API that allows me to obtain a clone of the current file pointer to pass in to an exec handler. I've labelled this as an internal API because I can't see how it would be useful outside of the fs subsystem. The use case will be a persistent binfmt_misc handler. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Acked-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/internal.h')
-rw-r--r--fs/internal.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/internal.h b/fs/internal.h
index b71deeecea17..c8ca0c957743 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -108,6 +108,7 @@ extern long do_handle_open(int mountdirfd,
struct file_handle __user *ufh, int open_flag);
extern int open_check_o_direct(struct file *f);
extern int vfs_open(const struct path *, struct file *, const struct cred *);
+extern struct file *filp_clone_open(struct file *);
/*
* inode.c