diff options
Diffstat (limited to 'fs/f2fs/compress.c')
| -rw-r--r-- | fs/f2fs/compress.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index dcc9f807a647..b3ecf7d4d6d8 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -49,6 +49,13 @@ bool f2fs_is_compressed_page(struct page *page) return false; if (IS_ATOMIC_WRITTEN_PAGE(page) || IS_DUMMY_WRITTEN_PAGE(page)) return false; + /* + * page->private may be set with pid. + * pid_max is enough to check if it is traced. + */ + if (IS_IO_TRACED_PAGE(page)) + return false; + f2fs_bug_on(F2FS_M_SB(page->mapping), *((u32 *)page_private(page)) != F2FS_COMPRESSED_PAGE_MAGIC); return true; |