On 2018/5/14 7:18 PM, Nikolay Borisov wrote:
>
>
> On 14.05.2018 13:29, Su Yue wrote:
>> Define new macro I_ERR_ODD_INODE_FLAGS to represents odd inode flags.
>>
>> Symlinks should never have append/immutable flags.
>> While processing inodes, if found a symlink with append/immutable
>> flags, mark the inode record with I_ERR_ODD_INODE_FLAGS.
>>
>> This is for original mode.
>>
>> Signed-off-by: Su Yue <suy.f...@cn.fujitsu.com>
>> ---
>> check/main.c | 7 +++++++
>> check/mode-original.h | 1 +
>> 2 files changed, 8 insertions(+)
>>
>> diff --git a/check/main.c b/check/main.c
>> index 68da994f7ae0..f5f52c406046 100644
>> --- a/check/main.c
>> +++ b/check/main.c
>> @@ -576,6 +576,8 @@ static void print_inode_error(struct btrfs_root *root,
>> struct inode_record *rec)
>> fprintf(stderr, ", link count wrong");
>> if (errors & I_ERR_FILE_EXTENT_ORPHAN)
>> fprintf(stderr, ", orphan file extent");
>> + if (errors & I_ERR_ODD_INODE_FLAGS)
>> + fprintf(stderr, ", odd inode flags");
>> fprintf(stderr, "\n");
>> /* Print the orphan extents if needed */
>> if (errors & I_ERR_FILE_EXTENT_ORPHAN)
>> @@ -805,6 +807,7 @@ static int process_inode_item(struct extent_buffer *eb,
>> {
>> struct inode_record *rec;
>> struct btrfs_inode_item *item;
>> + u64 flags;
>>
>> rec = active_node->current;
>> BUG_ON(rec->ino != key->objectid || rec->refs > 1);
>> @@ -822,6 +825,10 @@ static int process_inode_item(struct extent_buffer *eb,
>> rec->found_inode_item = 1;
>> if (rec->nlink == 0)
>> rec->errors |= I_ERR_NO_ORPHAN_ITEM;
>> + flags = btrfs_inode_flags(eb, item);
>> + if (rec->imode & BTRFS_FT_SYMLINK &&
>> + flags & (BTRFS_INODE_IMMUTABLE | BTRFS_INODE_APPEND))
>> + rec->errors = I_ERR_ODD_INODE_FLAGS;
>> maybe_free_inode_rec(&active_node->inode_cache, rec);
>> return 0;
>> }
>> diff --git a/check/mode-original.h b/check/mode-original.h
>> index 368de692fdd1..13cfa5b9e1b3 100644
>> --- a/check/mode-original.h
>> +++ b/check/mode-original.h
>> @@ -186,6 +186,7 @@ struct file_extent_hole {
>> #define I_ERR_LINK_COUNT_WRONG (1 << 13)
>> #define I_ERR_FILE_EXTENT_ORPHAN (1 << 14)
>> #define I_ERR_FILE_EXTENT_TOO_LARGE (1 << 15)
>> +#define I_ERR_ODD_INODE_FLAGS (1 << 16)
>
> I don't like the name of the flag. How about:
>
> I_ERR_INVALID_SYMLINK_FLAGS
>
Before, original mode doesn't check inode flags.
So I'd rather to keep INODE_FLAGS for further use.
As for "ODD" part, it is just inherited from name style of above lines.
I don't like "ODD" too much either.
Anyway, thanks.
Su
>>
>> struct inode_record {
>> struct list_head backrefs;
>>
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