This is a note to let you know that I've just added the patch titled
fs: Set the size of empty dirs to 0.
to the 4.2-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
fs-set-the-size-of-empty-dirs-to-0.patch
and it can be found in the queue-4.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 4b75de8615050c1b0dd8d7794838c42f74ed36ba Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Date: Wed, 12 Aug 2015 15:00:12 -0500
Subject: fs: Set the size of empty dirs to 0.
From: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
commit 4b75de8615050c1b0dd8d7794838c42f74ed36ba upstream.
Before the make_empty_dir_inode calls were introduce into proc, sysfs,
and sysctl those directories when stated reported an i_size of 0.
make_empty_dir_inode started reporting an i_size of 2. At least one
userspace application depended on stat returning i_size of 0. So
modify make_empty_dir_inode to cause an i_size of 0 to be reported for
these directories.
Reported-by: Tejun Heo <tj@xxxxxxxxxx>
Acked-by: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/libfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -1185,7 +1185,7 @@ void make_empty_dir_inode(struct inode *
inode->i_uid = GLOBAL_ROOT_UID;
inode->i_gid = GLOBAL_ROOT_GID;
inode->i_rdev = 0;
- inode->i_size = 2;
+ inode->i_size = 0;
inode->i_blkbits = PAGE_SHIFT;
inode->i_blocks = 0;
Patches currently in stable-queue which might be from ebiederm@xxxxxxxxxxxx are
queue-4.2/fs-set-the-size-of-empty-dirs-to-0.patch
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