Commit a76d81af authored Nov 13, 2017 by Chao Yu Committed by Greg Kroah-Hartman Dec 14, 2017

f2fs: fix to clear FI_NO_PREALLOC




[ Upstream commit 28cfafb73853f0494b06649716687a3ea07681d5 ]

We need to clear FI_NO_PREALLOC flag in error path of f2fs_file_write_iter,
otherwise we will lose the chance to preallocate blocks in latter write()
at one time.

Fixes: dc91de78 ("f2fs: do not preallocate blocks which has wrong buffer")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 6610b9cb

fs/f2fs/file.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -2697,6 +2697,7 @@ static ssize_t f2fs_file_write_iter(struct kiocb iocb, struct iov_iter from)

		err = f2fs_preallocate_blocks(iocb, from);
		if (err) {
		clear_inode_flag(inode, FI_NO_PREALLOC);
		inode_unlock(inode);
		return err;
		}