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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2019-03-12 19:49:53 +0100 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2019-03-13 03:02:21 +0100 |
| commit | 70db5b04cbe19e5ae7e85ada2d3e82bcfdf90352 (patch) | |
| tree | 33a3f664337f2bf555dc0429efd6dcf46c9bb459 /fs/f2fs | |
| parent | f2fs: don't trigger read IO for beyond EOF page (diff) | |
| download | linux-70db5b04cbe19e5ae7e85ada2d3e82bcfdf90352.tar.xz linux-70db5b04cbe19e5ae7e85ada2d3e82bcfdf90352.zip | |
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>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/super.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 42eb5c86330a..324938ec95f3 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; } } |