From 92dffd01790a5219d234fc83c3ba854f4490b7f4 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Tue, 11 Nov 2014 14:10:01 -0800 Subject: [PATCH] f2fs: convert inline_data when i_size becomes large If i_size becomes large outside of MAX_INLINE_DATA, we shoud convert the inode. Otherwise, we can make some dirty pages during the truncation, and those pages will be written through f2fs_write_data_page. At that moment, the inode has still inline_data, so that it tries to write non- zero pages into inline_data area. Signed-off-by: Jaegeuk Kim --- fs/f2fs/file.c | 6 ++++++ fs/f2fs/inline.c | 3 +++ 2 files changed, 9 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index edc3ce867e9c..7c2ec3ebebe0 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -522,6 +522,12 @@ void f2fs_truncate(struct inode *inode) trace_f2fs_truncate(inode); + /* we should check inline_data size */ + if (f2fs_has_inline_data(inode) && !f2fs_may_inline(inode)) { + if (f2fs_convert_inline_inode(inode)) + return; + } + if (!truncate_blocks(inode, i_size_read(inode), true)) { inode->i_mtime = inode->i_ctime = CURRENT_TIME; mark_inode_dirty(inode); diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index 231067027745..053d114f0528 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -24,6 +24,9 @@ bool f2fs_may_inline(struct inode *inode) if (!S_ISREG(inode->i_mode)) return false; + if (i_size_read(inode) > MAX_INLINE_DATA) + return false; + return true; } -- 2.34.1