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Subject[PATCH 1/2] f2fs: restrict inline_xattr_size configuration
Date
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>
---
fs/f2fs/super.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 8173ae688814..a859372457eb 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 "
--
2.15.0.55.gc2ece9dc4de6
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