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signal/timer/event fds: anonymous inode source

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This patch add an anonymous inode source, to be used for files that need
and inode only in order to create a file*. We do not care of having an
inode for each file, and we do not even care of having different names in
the associated dentries (dentry names will be same for classes of file*).
This allow code reuse, and will be used by epoll, signalfd and timerfd
(and whatever else there'll be).

Signed-off-by: Davide Libenzi <davidel@xmailserver.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Davide Libenzi 2007-05-10 22:23:11 -07:00 • committed by Linus Torvalds
parent 325aa33da7
commit 5dc8bf8132
5 changed files with 228 additions and 0 deletions
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16
include/linux/anon_inodes.h Normal file
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/*
* include/linux/anon_inodes.h
*
* Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org>
*
*/
#ifndef _LINUX_ANON_INODES_H
#define _LINUX_ANON_INODES_H
int anon_inode_getfd(int *pfd, struct inode **pinode, struct file **pfile,
const char *name, const struct file_operations *fops,
void *priv);
#endif /* _LINUX_ANON_INODES_H */