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 <jaegeuk@kernel.org>
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index edc3ce8..7c2ec3e 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -522,6 +522,12 @@
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 2310670..053d114 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -24,6 +24,9 @@
if (!S_ISREG(inode->i_mode))
return false;
+ if (i_size_read(inode) > MAX_INLINE_DATA)
+ return false;
+
return true;
}
