f2fs: give some messages for inline_xattr_size
This patch adds some kernel messages when user sets wrong inline_xattr_size.
Fixes: 500e0b28ecd3 ("f2fs: fix to check inline_xattr_size boundary correctly")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 42eb5c8..324938e 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -821,6 +821,8 @@ static int parse_options(struct super_block *sb, char *options)
}
if (test_opt(sbi, INLINE_XATTR_SIZE)) {
+ int min_size, max_size;
+
if (!f2fs_sb_has_extra_attr(sbi) ||
!f2fs_sb_has_flexible_inline_xattr(sbi)) {
f2fs_msg(sb, KERN_ERR,
@@ -834,15 +836,18 @@ static int parse_options(struct super_block *sb, char *options)
"set with inline_xattr option");
return -EINVAL;
}
- if (F2FS_OPTION(sbi).inline_xattr_size <
- sizeof(struct f2fs_xattr_header) / sizeof(__le32) ||
- F2FS_OPTION(sbi).inline_xattr_size >
- DEF_ADDRS_PER_INODE -
+
+ min_size = sizeof(struct f2fs_xattr_header) / sizeof(__le32);
+ max_size = DEF_ADDRS_PER_INODE -
F2FS_TOTAL_EXTRA_ATTR_SIZE / sizeof(__le32) -
DEF_INLINE_RESERVED_SIZE -
- MIN_INLINE_DENTRY_SIZE / sizeof(__le32)) {
+ MIN_INLINE_DENTRY_SIZE / sizeof(__le32);
+
+ if (F2FS_OPTION(sbi).inline_xattr_size < min_size ||
+ F2FS_OPTION(sbi).inline_xattr_size > max_size) {
f2fs_msg(sb, KERN_ERR,
- "inline xattr size is out of range");
+ "inline xattr size is out of range: %d ~ %d",
+ min_size, max_size);
return -EINVAL;
}
}