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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-08-23 06:18:00 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-09-05 22:41:07 +0200 |
| commit | 0ded69f632bb717be9aeea3ae74e29050fcb060c (patch) | |
| tree | 2e163c4d4d623d41c061f5884fe405bd71c0b050 /fs/f2fs/segment.c | |
| parent | Revert "f2fs: use printk_ratelimited for f2fs_msg" (diff) | |
| download | linux-0ded69f632bb717be9aeea3ae74e29050fcb060c.tar.xz linux-0ded69f632bb717be9aeea3ae74e29050fcb060c.zip | |
f2fs: avoid wrong decrypted data from disk
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>
Diffstat (limited to '')
| -rw-r--r-- | fs/f2fs/segment.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 34e05777941e..187c848a65b8 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -3195,10 +3195,14 @@ void f2fs_wait_on_page_writeback(struct page *page, } } -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) { + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct page *cpage; + if (!f2fs_post_read_required(inode)) + return; + if (!is_valid_data_blkaddr(sbi, blkaddr)) return; |