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f2fs: avoid wrong decrypted data from disk

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1. Create a file in an encrypted directory
2. Do GC & drop caches
3. Read stale data before its bio for metapage was not issued yet

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2018-08-22 21:18:00 -07:00
parent 22d7ea1364
commit 0ded69f632
4 changed files with 17 additions and 12 deletions
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fs/f2fs/f2fs.h
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@@ -2942,7 +2942,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
struct f2fs_io_info *fio, bool add_list);
void f2fs_wait_on_page_writeback(struct page *page,
enum page_type type, bool ordered);
void f2fs_wait_on_block_writeback(struct f2fs_sb_info *sbi, block_t blkaddr);
void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr);
void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type,