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| author | Chao Yu <yuchao0@huawei.com> | 2018-01-27 17:29:48 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-03-13 08:05:31 +0900 |
| commit | 4d817ae099883b08fddd46dee3a916bbf93e9161 (patch) | |
| tree | b228d113b231971ef73a24097a21d785feb0863a | |
| parent | b94929d975c8423defc9aededb0f499ff936b509 (diff) | |
| download | op-kernel-dev-4d817ae099883b08fddd46dee3a916bbf93e9161.zip op-kernel-dev-4d817ae099883b08fddd46dee3a916bbf93e9161.tar.gz | |
f2fs: restrict inline_xattr_size configuration
This patch limits to enable inline_xattr_size mount option only if
both extra_attr and flexible_inline_xattr feature is on in current
image.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/super.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 3db1f02..9587ca0 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -699,6 +699,13 @@ static int parse_options(struct super_block *sb, char *options) } if (test_opt(sbi, INLINE_XATTR_SIZE)) { + if (!f2fs_sb_has_extra_attr(sb) || + !f2fs_sb_has_flexible_inline_xattr(sb)) { + f2fs_msg(sb, KERN_ERR, + "extra_attr or flexible_inline_xattr " + "feature is off"); + return -EINVAL; + } if (!test_opt(sbi, INLINE_XATTR)) { f2fs_msg(sb, KERN_ERR, "inline_xattr_size option should be " |
