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Commit 92dffd01 authored Nov 11, 2014 by Jaegeuk Kim

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>

parent 764d2c80

fs/f2fs/file.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -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);

fs/f2fs/inline.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}