Commit e62e560f authored Jan 22, 2016 by Darrick J. Wong Committed by Al Viro Jan 22, 2016

vfs: abort dedupe loop if fatal signals are pending



If the program running dedupe receives a fatal signal during the
dedupe loop, we should bail out to avoid tying up the system.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

parent 3ed47db3

fs/read_write.c

+3 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1656,6 +1656,9 @@ int vfs_dedupe_file_range(struct file file, struct file_dedupe_range same)
	mnt_drop_write_file(dst_file);		mnt_drop_write_file(dst_file);
	next_loop:		next_loop:
	fdput(dst_fd);		fdput(dst_fd);

			if (fatal_signal_pending(current))
			goto out;
	}		}

	out:		out: