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vfs: split __dentry_open()

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Split __dentry_open() into two functions:

  do_dentry_open() - does most of the actual work, doesn't put file on failure
  open_check_o_direct() - after a successful open, checks direct_IO method

This will allow i_op->atomic_open to do just the file initialization and leave
the direct_IO checking to the VFS.

Signed-off-by: Miklos Szeredi <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Miklos Szeredi 2012-05-21 17:30:15 +02:00 • committed by Al Viro
commit 90ad1a8ecb
2 changed files with 34 additions and 14 deletions
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1
fs/internal.h
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@ -100,6 +100,7 @@ extern struct file *do_file_open_root(struct dentry *, struct vfsmount *,
extern long do_handle_open(int mountdirfd,
struct file_handle __user *ufh, int open_flag);
extern int open_check_o_direct(struct file *f);
/*
* inode.c