Commit da5aa861 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki Committed by Al Viro
Browse files

fix block device fallout from ->fsync() changes 



blkdev_fsync() needs to write pages in pagecache...

Signed-off-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent cfe22345

fs/block_dev.c

+4 −0
Original line number Diff line number Diff line
@@ -388,6 +388,10 @@ int blkdev_fsync(struct file *filp, loff_t start, loff_t end, int datasync) 
	struct block_device *bdev = I_BDEV(bd_inode);

	int error;

	

	error = filemap_write_and_wait_range(filp->f_mapping, start, end);

	if (error)

		return error;



	/*

	 * There is no need to serialise calls to blkdev_issue_flush with

	 * i_mutex and doing so causes performance issues with concurrent