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f2fs: load inode's flag from disk 

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/

Cc: stable@vger.kernel.org
Reported-by: Tom Yan <tom.ty89@outlook.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
hifive-unleashed-5.1
Jaegeuk Kim 2017-05-16 13:20:16 -07:00
parent 15d3042a93
commit 93607124c5
2 changed files with 2 additions and 1 deletions
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1
fs/f2fs/file.c
View File

@ -1493,6 +1493,7 @@ static int f2fs_ioc_setflags(struct file *filp, unsigned long arg)
inode->i_ctime = current_time(inode);
f2fs_set_inode_flags(inode);
f2fs_mark_inode_dirty_sync(inode, false);
inode_unlock(inode);
out:

2
fs/f2fs/inode.c
View File

@ -44,7 +44,6 @@ void f2fs_set_inode_flags(struct inode *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;