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__vfs_removexattr() transfers "NULL" value to the setxattr handler of the f2fs filesystem in order to remove the extended attribute. But, __f2fs_setxattr() just ignores the removal request when the value of the extended attribute is already NULL. We have to remove the extended attribute itself even if the value of that is already NULL. We can reporduce this bug with the below: 1. touch file 2. setfattr -n "user.foo" file 3. setfattr -x "user.foo" file 4. getfattr -d file > user.foo Signed-off-by: Daeho Jeong <daeho.jeong@samsung.com> Signed-off-by: Youngjin Gil <youngjin.gil@samsung.com> Tested-by: Hobin Woo <hobin.woo@samsung.com> Tested-by: Chao Yu <yuchao0@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.