linux-kernel - [PATCH] vfs: Export do_fallocate() to kernel modules

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Message-Id: <1314136075-8784-1-git-send-email-thieule@chromium.org>
Date:	Tue, 23 Aug 2011 14:47:55 -0700
From:	Thieu Le <thieule@...omium.org>
To:	viro@...iv.linux.org.uk
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Thieu Le <thieule@...omium.org>
Subject: [PATCH] vfs: Export do_fallocate() to kernel modules

Export do_fallocate() so layered file systems such as ecryptfs can take
advantage of this interface.  Existing interfaces to the fallocate
facilities require a file descriptor which is not available to layered
file systems.

Signed-off-by: Thieu Le <thieule@...omium.org>
---
 fs/open.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/fs/open.c b/fs/open.c
index f711921..5c3bcba 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -268,6 +268,7 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
 
 	return file->f_op->fallocate(file, mode, offset, len);
 }
+EXPORT_SYMBOL_GPL(do_fallocate);
 
 SYSCALL_DEFINE(fallocate)(int fd, int mode, loff_t offset, loff_t len)
 {
-- 
1.7.3.1

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