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[FS] seq_file: Introduce the seq_open_private()

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This function allocates the zeroed chunk of memory and
call seq_open(). The __seq_open_private() helper returns
the allocated memory to make it possible for the caller
to initialize it.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2007-10-10 02:28:42 -07:00 • committed by David S. Miller
parent 59e90b2d22
commit 39699037a5
2 changed files with 35 additions and 0 deletions
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include/linux/seq_file.h
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@ -46,6 +46,8 @@ int seq_path(struct seq_file *, struct vfsmount *, struct dentry *, char *);
int single_open(struct file *, int (*)(struct seq_file *, void *), void *);
int single_release(struct inode *, struct file *);
void *__seq_open_private(struct file *, const struct seq_operations *, int);
int seq_open_private(struct file *, const struct seq_operations *, int);
int seq_release_private(struct inode *, struct file *);
#define SEQ_START_TOKEN ((void *)1)