Patch "f2fs: load inode's flag from disk" has been added to the 4.12-stable tree

Patch "f2fs: load inode's flag from disk" has been added to the 4.12-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    f2fs: load inode's flag from disk

to the 4.12-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:
     f2fs-load-inode-s-flag-from-disk.patch
and it can be found in the queue-4.12 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 93607124c5450148e592c3d18ac533b4e5f25b8b Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Tue, 16 May 2017 13:20:16 -0700
Subject: f2fs: load inode's flag from disk

From: Jaegeuk Kim <jaegeuk@kernel.org>

commit 93607124c5450148e592c3d18ac533b4e5f25b8b upstream.

This patch fixes missing inode flag loaded from disk, reported by Tom.

[tom@localhost ~]$ sudo mount /dev/loop0 /mnt/
[tom@localhost ~]$ sudo chown tom:tom /mnt/
[tom@localhost ~]$ touch /mnt/testfile
[tom@localhost ~]$ sudo chattr +i /mnt/testfile
[tom@localhost ~]$ echo test > /mnt/testfile
bash: /mnt/testfile: Operation not permitted
[tom@localhost ~]$ rm /mnt/testfile
rm: cannot remove '/mnt/testfile': Operation not permitted
[tom@localhost ~]$ sudo umount /mnt/
[tom@localhost ~]$ sudo mount /dev/loop0 /mnt/
[tom@localhost ~]$ lsattr /mnt/testfile
----i-------------- /mnt/testfile
[tom@localhost ~]$ echo test > /mnt/testfile
[tom@localhost ~]$ rm /mnt/testfile
[tom@localhost ~]$ sudo umount /mnt/

Reported-by: Tom Yan <tom.ty89@outlook.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/f2fs/file.c  |    1 +
 fs/f2fs/inode.c |    2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1493,6 +1493,7 @@ static int f2fs_ioc_setflags(struct file
 
 	inode->i_ctime = current_time(inode);
 	f2fs_set_inode_flags(inode);
+	f2fs_mark_inode_dirty_sync(inode, false);
 
 	inode_unlock(inode);
 out:
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -44,7 +44,6 @@ void f2fs_set_inode_flags(struct inode *
 		new_fl |= S_DIRSYNC;
 	inode_set_flags(inode, new_fl,
 			S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
-	f2fs_mark_inode_dirty_sync(inode, false);
 }
 
 static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri)
@@ -226,6 +225,7 @@ make_now:
 		ret = -EIO;
 		goto bad_inode;
 	}
+	f2fs_set_inode_flags(inode);
 	unlock_new_inode(inode);
 	trace_f2fs_iget(inode);
 	return inode;


Patches currently in stable-queue which might be from jaegeuk@kernel.org are

queue-4.12/f2fs-load-inode-s-flag-from-disk.patch
queue-4.12/f2fs-don-t-clear-sgid-when-inheriting-acls.patch
queue-4.12/f2fs-use-spin_-un-lock_irq-save-restore.patch
queue-4.12/f2fs-sanity-check-checkpoint-segno-and-blkoff.patch
queue-4.12/f2fs-sanity-check-size-of-nat-and-sit-cache.patch
queue-4.12/f2fs-try-to-freeze-in-gc-and-discard-threads.patch
queue-4.12/f2fs-wake-up-all-waiters-in-f2fs_submit_discard_endio.patch
queue-4.12/f2fs-do-not-issue-small-discards-in-lfs-mode.patch