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[3.19.y-ckt,stable] Patch "fs: Set the size of empty dirs to 0." has been added to staging queue

Message ID 1445294351-14551-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa Oct. 19, 2015, 10:39 p.m. UTC
This is a note to let you know that I have just added a patch titled

    fs: Set the size of empty dirs to 0.

to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue

This patch is scheduled to be released in version 3.19.8-ckt8.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.19.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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From bb91e6ffad754eec3499378beacb58b409581fe5 Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Wed, 12 Aug 2015 15:00:12 -0500
Subject: fs: Set the size of empty dirs to 0.

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@kernel.org>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 fs/libfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--
1.9.1
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Patch

diff --git a/fs/libfs.c b/fs/libfs.c
index e5dc742..3a5deb3 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -1176,7 +1176,7 @@  void make_empty_dir_inode(struct inode *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;