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vfs: open inside ->tmpfile()

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This is in preparation for adding tmpfile support to fuse, which requires
that the tmpfile creation and opening are done as a single operation.

Replace the 'struct dentry *' argument of i_op->tmpfile with
'struct file *'.

Call finish_open_simple() as the last thing in ->tmpfile() instances (may
be omitted in the error case).

Change d_tmpfile() argument to 'struct file *' as well to make callers more
readable.

Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Miklos Szeredi
2022-09-24 07:00:00 +02:00
parent 9751b33865
commit 863f144f12
19 changed files with 70 additions and 49 deletions
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3
include/linux/dcache.h
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@@ -16,6 +16,7 @@
#include <linux/wait.h>
struct path;
struct file;
struct vfsmount;
/*
@@ -250,7 +251,7 @@ extern struct dentry * d_make_root(struct inode *);
/* <clickety>-<click> the ramfs-type tree */
extern void d_genocide(struct dentry *);
extern void d_tmpfile(struct dentry *, struct inode *);
extern void d_tmpfile(struct file *, struct inode *);
extern struct dentry *d_find_alias(struct inode *);
extern void d_prune_aliases(struct inode *);